Benzene cas. ru/9s1bs2/verbandsgemeinde-kastellaun-wahlergebnisse.

Hence sinks in water. 1,3,5 For more information, contact: Agency for Toxic Substances and Disease Registry. Comparison of aneuploidies of chromosomes 21, X, and Y in the blood lymphocytes and sperm of workers exposed to benzene. 1,2-Dichlorobenzene was identified, not quantified, in plant material grown in an Illinois coal refuse reclamation site (2). Solv®. S. 01 Discover more in SciFinder n. 21 Plant Concentrations. Lindane can be prepared from benzene and chlorine by photochlorination. Use this link Quantity Value Units Method Reference Comment; Δ r H°-275. 98; CAS Number: 591-50-4; Linear Formula: C6H5I; find related products, papers, technical documents, MSDS & more at Sigma CAS Name 1-Bromo-4-(trifluoromethyl)benzene Molecular Formula C 7 H 4 BrF 3 Molecular Mass 225. Use this link for bookmarking this species for IUPAC Standard InChIKey: NPDACUSDTOMAMK-UHFFFAOYSA-N Copy CAS Registry Number: 106-43-4 Chemical structure: This structure is also available as a 2d Mol file; Other names: Toluene, p-chloro-; p-Chlorotoluene; p-Tolyl chloride; 1-Chloro-4-methylbenzene; 4-Chloro-1-methylbenzene; 4-Chlorotoluene; para-Chlorotoluene; 1-Methyl-4-chlorobenzene; 4-Tolyl chloride; 4-Methylphenyl chloride; NSC 404114 Application. 8-fold molar quantity of chlorine in the presence of ferric chloride at temperatures increasing to 100 °C gives a chlorination mixture consisting of 26% 1,4-dichlorobenzene, 4. Substitution at the benzene nucleus occurs by halogenation (acid catalyst), nitration, sulfonation, and the ベンゼン （ 英: benzene ）は、 分子式 C 6 H 6 、 分子量 78. Quickly confirm chemical names, CAS Registry Numbers®, structures or basic physical properties by searching compounds of general interest or leveraging an API connection. Chamblee, GA 30341-3717. Aldrich-I7632; Iodobenzene 0. 11 g/mol Chemical Formula: C₆H₆. 98; CAS No. Ji Z, et al. in >1 million pounds in 1990 and/or 1994. 5 μg/m 3) in 343 homes with one or more smokers. anhydrous, septum-sealed bottle. View Products on Sigmaaldrich. CAS Registry Number: 71-43-2; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. The HPV list is based on the 1990 Inventory Update Rule. Cite this Page 1-Bromo-4 CAS Registry Number: 71-43-2. Cancer Studies in Humans Case reports and case series have reported leukemia (mostly acute Apr 2, 2024 · ANSI Z37. Impurity 2. Isotopologues: Benzene-D6 CAS Name 1,4-Bis(bromomethyl)benzene Molecular Formula C 8 H 8 Br 2 Molecular Mass 263. Some substance identifiers may have CAS Name (Trifluoromethyl)benzene Molecular Formula C 7 H 5 F 3 Molecular Mass 146. Melting point: 6°C. It is primarily used as a key monomer in the production of a high-performance polymer known as polyethylene terephthalate (PET). 8%; CAS Number: 71-43-2; EC Number: 200-753-7; find Sigma-Aldrich-401765 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich May 7, 2010 · CAS Registry Number: 105-05-5; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. CoA. CAS Innovation Incubator. May 8, 2011 · CAS Registry Number: 1077-16-3; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. CAS Registry Number: 526-73-8; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. An agricultural fungicide introduced in the mid-1940s and formerly used as a seed treatment, its use has been banned since 1984 under the Stockholm Convention on Persistent Organic Pollutants. 6 atom % D; CAS Number: 1076-43-3; EC Number: 214-061-8; Synonyms: Hexadeuterobenzene; find Sigma-Aldrich-441325 MSDS 12. CAS, a division of the Benzene (C6H6, CAS No. 4770 Buford Highway. Aldrich-A29402; Allylbenzene 0. Insoluble in water and denser than water. Benzene, 4-bromo-1,2-dimethoxy-Formula: C 8 H 9 BrO 2; CAS Registry Number: 2859-78-1; Chemical structure: This structure is also available as a 2d Mol file or as Hazardous Substances Data Bank (HSDB) Benzenethiol is listed as a High Production Volume (HPV) chemical (65FR81686). 3240-34-4; Iodobenzene I,I-diacetate | Iodosobenzene I,I-diacetate; oxidant suitable for C-H activation| Find related products, papers, technical documents, MSDS & more at Sigma-Aldrich Benzene, nitro-Formula: C 6 H 5 NO 2; CAS Registry Number: 98-95-3; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. H225: Highly flammable liquid and vapour. 88. 分野によっては慣用として ドイツ語 (Benzol:ベンツォール) 風に ベンゾール と呼ぶ Please fill in the enquiry form to contact our customer service, for technical support, or for any requests. CAS Number: 3163-76-6. Cite this Page Benzene. [1] However, he did not propose it as the structure of benzene, and in fact he Aldrich-C26402; 4-Chlorobenzotrifluoride 0. Press Releases. Chemicals listed as HPV were produced in or imported into the U. 3 ppb (10. CAS 100-41-4, EC Number 202-849-4, chemical formula C₆H₅C₂H₅. H332: Harmful if inhaled. This product belongs to category of Re-engineered products, showing key improvements in Green Chemistry Principles “Safer Solvents and Auxiliaries”, “Enhanced Energy Efficiency” and “Inherently Safer Chemistry for Accident Prevention”. BENZENE reacts vigorously with allyl chloride or other alkyl halides even at -70°C in the presence of ethyl aluminum dichloride or ethyl aluminum sesquichloride. Solubility in water, g/100ml at 25°C: 0. 11 Discover more in SciFinder n. 8 mg/l (2). It is a clear, colourless, volatile, highly flammable liquid with a characteristic odour and a density of 874 kg/m3 at 25 °C (1). It is a colorless, water -insoluble liquid with the odor associated with paint thinners. Subpart F--Flavoring Agents and Related Substances. ju. CAMEO Chemicals. Molecular mass: 78. Sec. CAS Common Chemistry. Quickly confirm chemical names, CAS Registry Numbers®, structures or basic physical properties by searching compounds of 工業用途. Dewar benzene (also spelled dewarbenzene) or bicyclo [2. Use this link for bookmarking this species for future Benzene, C10-13-alkyl derivs. The binding of epichlorohydrin, 1,2-dichloroethane, 1,2-dibromoethane, chlorobenzene, bromobenzene, and benzene to nucleic acid and proteins of different murine organs was studied in in vivo and in vitro systems. Chemical Properties of Benzene (CAS 71-43-2) CAS 71-43-2 Other Names. 0%, ACS reagent; CAS Number: 71-43-2; EC Number: 200-753-7; find Sigma-Aldrich-319953 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich Benzene; CAS Number: 71-43-2; Synonyms: Benzene; find Supelco-101782 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others. Aldrich-P52407; Propylbenzene 0. Benzene, 1-iodo-3-(trifluoromethyl)-Formula: CAS Registry Number: 401-81-0; Chemical structure: This structure is also available as a 2d Mol file or as a computed Aldrich - 178721; (Diacetoxyiodo)benzene 98%; CAS No. 1,2-Dichlorobenzene has been detected at unspecified concns in the roots of wheat plants grown from lindane -treated seeds (1). Reacts violently with oxidants, nitric acid, sulfuric acid and halogens. Isotopologues: Benzene-D6 The effects of exposure to any hazardous substance depend on the dose, the duration, how you are exposed, personal traits and habits, and whether other chemicals are present. 9%; CAS Number: 71-43-2; EC Number: 200-753-7; find Sigma-Aldrich-270709 MSDS, related peer-reviewed papers CAS Registry Number: 71-43-2; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. NIOSH REL: 0. Costatini AS, et al. CAS# 71-43-2. 95; CAS No. 1. Other names: Hexane, 1-phenyl-; Hexylbenzene; 1-Phenylhexane; n-Hexylbenzene Permanent link for this species. 11 の最も単純な 芳香族炭化水素 である。. Exposure to benzene and risk of breast cancer among shoe factory workers in Italy. IUPAC Standard InChIKey: NPDACUSDTOMAMK-UHFFFAOYSA-N Copy CAS Registry Number: 106-43-4 Chemical structure: This structure is also available as a 2d Mol file; Other names: Toluene, p-chloro-; p-Chlorotoluene; p-Tolyl chloride; 1-Chloro-4-methylbenzene; 4-Chloro-1-methylbenzene; 4-Chlorotoluene; para-Chlorotoluene; 1-Methyl-4-chlorobenzene; 4-Tolyl chloride; 4-Methylphenyl chloride; NSC 404114 Eating foods or drinking liquids containing high levels of benzene can cause vomiting, irritation of the stomach, dizziness, sleepiness, convulsions, rapid heart rate, coma, and death. Cite this Page 1,4-Bis(bromomethyl)benzene. 1,2,4-Trimethylbenzene can be used as a reactant to synthesize: 2,3,5-Trimethylbenzoquinone via oxidation reaction with phthaloyl peroxide under solvent-free conditions. FDA PART 175 -- INDIRECT FOOD ADDITIVES: ADHESIVES AND COMPONENTS OF COATINGS. Melting point 63-64 °C (145-147 °F). ATSDR can also tell you the location of occupational and environmental health clinics. 8%; CAS Number: 108-90-7; EC Number: 203-628-5; find Sigma-Aldrich-284513 MSDS, related peer-reviewed papers, technical documents, similar products Benzene (CAS Registry Number 71-43-2; C6H6; molecular weight 78. Phone: 1-800-CDC-INFO 888-232-6348 (TTY) Email: Contact CDC-INFO. 1,2,3-trichlorobenzene is a trichlorobenzene carrying chloro substituents at positions 1, 2 and 3. 17034 Classification 17034 Class. CAS Name Benzene Molecular Formula C 6 H 6 Molecular Mass 78. Tumori. The batch reaction of benzene with a 2. : 98-56-6; Synonyms: 1-Chloro-4-(trifluoromethyl)benzene; 4-Chloro-alpha,alpha,alpha-trifluorotoluene; Linear IUPAC Standard InChIKey: CKAPSXZOOQJIBF-UHFFFAOYSA-N Copy CAS Registry Number: 118-74-1 Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file Our Story. H304: May be fatal if swallowed and enters airways. 4: kJ/mol: RSC: Holm, 1981: solvent: Diethyl ether; Due to the possibility of side reactions, the enthalpy of reaction was not considered to be sufficiently reliable for deriving the enthalpy of formation of the Grignard reagent Holm, 1981; MS Dec 21, 2021 · In a study of benzene levels in homes, the median level was 2. H ) CAS 71-43-2; UN 1114 . Benzene, (2-bromoethyl)-Formula: CAS Registry Number: 103-63-9; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file Single doses of 1,2,4-trimethylbenzene (124TMB) or 14C-124TMB were administered orally to rats for metabolism and distribution studies. The extent of in vivo enzymatic activation of brominated compounds was higher than that of chlorinated chemicals. Terephthalic acid belongs to the class of monomers known as aromatic dicarboxylic acids. Attacks plastics and rubber. 9 to 75 μg in mainstream smoke and from 345 to 653 μg in sidestream smoke. SDS. Use of the information, documents and data from the ECHA website is subject to the terms and conditions of this Legal Notice, and subject to other binding limitations provided for under applicable law, the information, documents and data made available on the ECHA website may be reproduced, distributed and/or used, totally or in part, for non-commercial purposes provided that ECHA is The Henry's Law constant for 1,4-diethylbenzene is estimated as 7. (1-Bromoethyl)benzene has been employed: in controlled radical polymerization of styrene; in asymmetric esterification of benzoic acid in the presence of a chiral cyclic guanidine; as initiator in the synthesis of bromine terminated polyp-methoxystyrene and polystyrene via atom transfer radical polymerization Apr 17, 2003 · Under the proposed revised Carcinogen Risk Assessment Guidelines (U. 95(1):8-12, January-February 2009. CAS, a division of the Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others. Careers. Office of Innovation and Analytics, Toxicology Section. The substance identifiers displayed in the InfoCard are the best available substance name, EC number, CAS number and/or the molecular and structural formulas. They can react exothermically with bases and with diazo compounds. Isotopologues: Benzene-D6 벤젠 ( 영어: benzene) 또는 벤졸 (benzol)은 휘발성 액체 탄화수소 로 콜타르 를 증류, 정제하여 만든다. We will get back to you as soon as possible. 172. 1. 92709-16-5. 18. Isotopologues: Nitrobenzene-D5 Benzene. : 104-83-6; Synonyms: alpha,4-Dichlorotoluene; (4-Chlorophenyl)methyl chloride; 1-Chloro-4-(chloromethyl)benzene Benzene ≥99. Benzene-d6 99. Benzene CAS No. 1,2,3-trichlorobenzene appears as a white solid with a sharp chlorobenzene odor. Benzene anhydrous, 99. 1 g/mol) is an aromatic compound with a single six-member unsaturated carbon ring. This generates fire and explosion hazard. 5% 1,2-dichlorobenzene, 48% 1,2,4-trichlorobenzene, 8% 1,2,3-trichlorobenzene, 8% 1,2,3,4-tetrachlorobenzene, 5. Chemical name :benzene Other means of identification Benzene, 1,3-dimethyl-Formula: C 8 H 10; CAS Registry Number: 108-38-3; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d . Relative density (water = 1): 0. Benzene, bromo-Bromobenzene; Monobromobenzene; Phenyl bromide; NSC 6529; View All. Other names: p-Iodobenzotrifluoride; α,α,α-trifluoro-4-iodotoluene Permanent link for this species. Benzene, 1-chloro-2-nitro-Formula: C 6 H 4 ClNO 2; CAS Registry Number: 88-73-3; Chemical structure: This structure is also available as a 2d Mol file or as a Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others. Isotopologues: Benzene-D6. Current OSHA PEL: 1 ppm TWA, 5 ppm STEL. Cite this Page 1,4-Bis(5-phenyl-2 We are committed to bringing you Greener Alternative Products, which adhere to one of the four categories of Greener Alternatives. Molecular Weight: 162. Isotopologues: Benzene-D6 Aldrich - 178721; (Diacetoxyiodo)benzene 98%; CAS No. ChEBI. Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others. 560 Modified hop extract. The resulting benzene hexachloride consists of isomers of which only the gamma-isomer (lindane) is desired, and is obtained by treatment of the reaction mixture with methanol or acetic acid, in which only the alpha and beta isomers dissolve readily. Isotopologues: [2H9]-1-(Chloromethyl)-4-methylbenzene FDA Mainterm (SATF): 71-43-2 ; BENZENE. 무색이고 Chemical and physical properties of Benzene. Persons whose clothing or skin is contaminated with liquid CAS Registry Number: 98-95-3; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. 1989 OSHA PEL: Same as current PEL. Chlorobenzene anhydrous, 99. Boiling point: 80°C. 1 ppm TWA, 1 ppm STEL; NIOSH considers benzene to be a potential occupational carcinogen as defined by the OSHA carcinogen policy [29 CFR 1990]. Catalog Number Cat# M-502-01N. Other names: [6]Annulene; Benzol; Benzole; Coal naphtha; Cyclohexatriene; Phenyl hydride; Pyrobenzol; Pyrobenzole; Benzolene CAS Name 1,4-Bis(5-phenyl-2-oxazolyl)benzene Molecular Formula C 24 H 16 N 2 O 2 Molecular Mass 364. Please see the following for information about the library and its accompanying search program. EPA, 1996), benzene is characterized as a known human carcinogen for all routes of exposure based upon convincing human evidence as well as supporting evidence from animal studies. General description. 4, Acceptable Concentrations of Benzene. Cite this Page (Trifluoromethyl)benzene. LOTUS - the natural products occurrence database. (U. This may be a synopsis of the full weight-of CAS Registry Number: 100-41-4; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. ɒl, - ɔːl, - oʊl / ), is a substituted aromatic hydrocarbon [15] with the chemical formula C6H5CH3, often abbreviated as PhCH3, where Ph stands for phenyl group. 2 ppb (7 μg/m 3) in 185 homes without smokers and 3. It is also used to prepare other polymers such as polybutylene terephthalate (PBT), polymer blends, and alloys. Advanced search Similarity search. Benzene suitable for HPLC, ≥99. View catalogue prices, chemical data, technical specifications and SDS documents. Other names: Hemimellitene; 1,2,3-Trimethylbenzene; Hemellitol; 1,2,3-TrimethyIbenzene; 1,2,3-trimethylbenzene (hemimellitene) Permanent link for this species Hexachlorobenzene is a member of the class of chlorobenzenes that is benzene in which all of the hydrogens are replaced by chlorines. 6개의 탄소 원자가 동일 평면에 있는 평면 정육각형의 고리구조를 가졌으며 가장 기본적인 방향족 탄화수소 물질이고 대표적인 아눌렌 (6-아눌렌)이다. Certified Reference Material. Isotopologues: Ethylbenzene-d10 Toluene ( / ˈtɒl. 2. Isotopologues: Benzene-D6 Propylbenzene is an alkylbenzene that is benzene having one of its aromatic hydrogens substituted by a propyl group. com. Ignites in contact with powdered chromic anhydride [Mellor 11:235 1946-47]. Number of Components Comps. [2] Mar 14, 2024 · Benzene (C6H6, CAS No. FDA Regulation: FDA PART 172 -- FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION. Contact Technical Service. juiːn / ), also known as toluol ( / ˈtɒl. • Persons exposed only to benzene vapor do not pose substantial risks of secondary contamination to others. 3X10-3 atm-cu m/mole (SRC) from its vapor pressure, 1. Propylbenzene is a natural product found in Gossypium hirsutum, Picea abies, and other organisms with data available. Amounts of benzene measured per cigarette ranged from 5. 0]hexa-2,5-diene is a bicyclic isomer of benzene with the molecular formula C 6 H 6. CAS #: 71-43-2 EC Number: 200-753-7 Molar Mass: 78. Benzene (C6H6, CAS No. Explosions have been reported [NFPA 491M 1991]. Buy GK4809 - Benzene (71-43-2) online from Glentham Life Sciences, a manufacturer and supplier of fine chemicals. 96 Discover more in SciFinder n. For more information, call the ATSDR Information Center at 1-800-232-4636. : 300-57-2; Synonyms: 3-Phenyl-1-propene; Linear Formula: C6H5CH2CH=CH2; Empirical Formula: C9H10; find related products CAS Registry Number: 71-43-2; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript . This estimated Henry's Law constant indicates that 1,4-diethylbenzene is expected to volatilize rapidly from water surfaces (3). CAS Common Chemistry is provided under the Creative Commons CC BY-NC 4. EPA, 1979, 1985, 1998; ATSDR, 1997). 40 Discover more in SciFinder n. : 103-65-1; Synonyms: 1-Phenylpropane; Linear Formula: C6H5CH2CH2CH3; Empirical Formula: C9H12; find related products benzene 100 71-43-2 Ingredient name % CAS number There are no additional ingredients present which, within the current knowledge of the supplier and in the concentrations applicable, are classified as hazardous to health or the environment and hence require reporting in this section. Benzene Benzene (C 6 6 . 14. [1] 1,2,4,5-Tetramethylbenzene (durene) by methylation using syngas in the presence of Cu and Zn-based bifunctional catalysts. 3240-34-4; Iodobenzene I,I-diacetate | Iodosobenzene I,I-diacetate; oxidant suitable for C-H activation| Find related products, papers, technical documents, MSDS & more at Sigma-Aldrich CAS Common Chemistry. Dri. CAS, a division of the Ethylbenzene reference substance for gas chromatography. 71-43-2 Known to be a human carcinogen First listed in the First Annual Report on Carcinogens (1980) Carcinogenicity Benzene is known to be a human carcinogen based on sufficient evi-dence of carcinogenicity from studies in humans. Other names: Benzene, p-diethyl-; p-Diethylbenzene; p-Ethylethylbenzene; 1,4-Diethylbenzene; para-Diethylbenzene Permanent link for this species. Reference substance name: Toluene EC Number: 203-625-9 EC Name: Toluene CAS Technical Service. Incompatible with oxidizing agents such as nitric acid. The ‘Substance identity’ section is calculated from substance identification information from all ECHA databases. Deleted or Replaced CAS Registry Numbers. Synonyms include benzol, coal tar naphtha, phenyl hydride, and cyclohexatriene. Benzene, 1-chloro-4-(chloromethyl)-Formula: CAS Registry Number: 104-83-6; Chemical structure: This structure is also available as a 2d Mol file or as a computed IUPAC Standard InChIKey: RWGFKTVRMDUZSP-UHFFFAOYSA-N Copy CAS Registry Number: 98-82-8 Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file Vigorous reactions, sometimes amounting to explosions, can result from the contact between aromatic hydrocarbons, such as N-PROPYL BENZENE, and strong oxidizing agents. This public health statement tells you about benzene and the effects of exposure to it. Formula: C 6 H 6. CAS Registry Number: 455-13-0; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. 14C-124TMB was rapidly and widely distributed throughout the body with the highest levels in adipose tissue. CAS Future Leaders. 0 license. H373: May cause damage to organs through prolonged or repeated exposure. 7 ± 4. 2692599-16-7. 03 mm Hg (1), and water solubility, 24. 5% 1,2,4,5 CAS Registry Number: 104-82-5; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. 原油 に含まれており、 石油化学 における基礎的 化合物 の1つである。. It is also a common atmospheric contaminant and is present in motor vehicle exhaust emissions and cigarette smoke. Benzene MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents. The compound is named after James Dewar who included this structure in a list of possible C 6 H 6 structures in 1869. 71-43-2) is an aromatic hydrocarbon compound used extensively in the chemical industry as an intermediate in the manufacture of polymers and other products. By using CAS Common Chemistry, you agree to the terms and conditions of this license. The health effects that may result from eating foods or drinking liquids containing lower levels of benzene are not known. Benzene CAS Number: 71-43-2 Molecular formula: C6H6 IUPAC Name: benzene. MDL number: Benzene-1,3,5-tricarboxaldehyde is extensively used in the synthesis of a wide range of porous CAS Name Benzene Molecular Formula C 6 H 6 Molecular Mass 78. Immediately Dangerous to Life or Health Concentrations (IDLH) CAS number: 71-43-2. CAS Aldrich-111961; 4-Chlorobenzyl chloride 0. anhydrous, septum-sealed bottle Dri Solv®. of tw sk yu sj oa gn ac sc vy