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Benzene

CAS No.71-43-2
Chemical Name:Benzene
Synonyms:PHENE;BENZOL;Benzen;Fenzen;BENZENE;Benzeen;Benzole;Benzolo;Annulene;BenzeneI
CBNumber:CB6854153
Molecular Formula:C6H6
Formula Weight:78.11
MOL File:71-43-2.mol
Benzene Property
Melting point : 5.5 °C(lit.)
Boiling point : 80 °C(lit.)
density : 0.874 g/mL at 25 °C(lit.)
vapor density : 2.77 (vs air)
vapor pressure : 166 mm Hg ( 37.7 °C)
refractive index : n20/D 1.501(lit.)
Fp : 12 °F
storage temp. : 0-6°C
solubility : Miscible with alcohol, chloroform, dichloromethane, diethyl ether, acetone and acetic acid.
Water Solubility : 0.18 g/100 mL
Merck : 14,1066
BRN : 969212
Stability:: Stable. Substances to be avoided include strong oxidizing agents, sulfuric acid, nitric acid, halogens. Highly flammable.
CAS DataBase Reference: 71-43-2(CAS DataBase Reference)
NIST Chemistry Reference: Benzene(71-43-2)
EPA Substance Registry System: Benzene(71-43-2)
Safety
Hazard Codes : F,T
Risk Statements : 45-46-11-36/38-48/23/24/25-65-39/23/24/25-23/24/25
Safety Statements : 53-45-36/37-16-7
RIDADR : UN 1114 3/PG 2
WGK Germany : 3
RTECS : CY1400000
F : 3-10
TSCA : Yes
HazardClass : 3
PackingGroup : II
Hazardous Substances Data: 71-43-2(Hazardous Substances Data)

Benzene Chemical Properties,Usage,Production

Chemical Properties
colourless liquid
Definition
ChEBI: A six-carbon aromatic annulene in which each carbon atom donates one of its two 2p electrons into a delocalised pi system. A toxic, flammable liquid byproduct of coal distillation, it is used as an industrial solvent. Benzene is a carcinogen that also damages bone marrow and the central nervous system.
General Description
A clear colorless liquid with a petroleum-like odor. Flash point less than 0°F. Less dense than water and slightly soluble in water. Hence floats on water. Vapors are heavier than air.
Air & Water Reactions
Highly flammable. Slightly soluble in water.
Reactivity Profile
Benzene reacts vigorously with allyl chloride or other alkyl halides even at minus 70°C in the presence of ethyl aluminum dichloride or ethyl aluminum sesquichloride. Explosions have been reported [NFPA 491M 1991]. Ignites in contact with powdered chromic anhydride [Mellor 11:235 1946-47]. Incompatible with oxidizing agents such as nitric acid. Mixtures with bromine trifluoride, bromine pentafluoride, iodine pentafluoride, iodine heptafluoride and other interhalogens can ignite upon heating [Bretherick 5th ed. 1995]. Benzene and cyanogen halides yield HCl as a byproduct (Hagedorn, F. H. Gelbke, and Federal Republic of Germany. 2002. Nitriles. In Ullman Encyclopedia of Industrial Chemistry. Wiley-VCH Verlag GmbH & Co. KGaA.). The reaction of Benzene and trichloroacetonitrile evolves toxic chloroform and HCl gasses. (Hagedorn, F., H.-P. Gelbke, and Federal Republic of Germany. 2002. Nitriles. In Ullman Encyclopedia of Industrial Chemistry. Wiley-VCH Verlag GmbH & Co. KGaA.).
Health Hazard
Dizziness, excitation, pallor, followed by flushing, weakness, headache, breathlessness, chest constriction, nausea, and vomiting. Coma and possible death.
Fire Hazard
Behavior in Fire: Vapor is heavier than air and may travel considerable distance to a source of ignition and flash back.
Benzene Preparation Products And Raw materials
Raw materials
Diethylene glycol Platinum COKEOVENGAS Nitrogen Motor benzol heavy benzol Hydrogenated gasoline light benzol DODECYLBENZENE COAL TAR PETROLEUM ETHER COUMARONE RESIN Phenanthrene
Preparation Products
1-AZIRIDINEETHANOL 5-TERT-BUTYL-1H-INDOLE-2-CARBOXYLIC ACID ETHYL ESTER N-NONANOPHENONE tert-Amylbenzene 4-BENZOYLBUTYRIC ACID Isobutyrophenone ETHYL ISONICOTINOYLACETATE 2-Methoxyphenyl isocyanate Acetrizoic acid 3-THIOPHEN-2-YL-BENZALDEHYDE 2-(N-HEPTANOYL)THIOPHENE 2-Chlorophenyl isocyanate BUTYL 3-MERCAPTOPROPIONATE PHENYLMERCURY NITRATE 4-BROMO-7-CHLOROQUINOLINE 2,5-Dimethyl-3-hexyne-2,5-diol 4-Methoxyphenyl isocyanate 2-FLUOROPHENYL ISOCYANATE Benzoylcyclohexane ISOCYANIC ACID Isomerase, glucose Sulfachloropyridazine sodium m-Nitrobenzoyl chloride Pesticide synergist agent 1,3-DIMETHYL-2-(2-THIENYL)IMIDAZOLIDINE 3-BROMOPROPIONITRILE Octyl cyanoacetate PHENYLBORON DICHLORIDE 4-Fluorophenyl isocyanate 4,5-DIMETHYL-2-NITROANILINE 1-Bromo-1-phenyl-2-propanone 2-ACETAMIDO-5-PICOLINE 4-Amino-3-chloropyridine 7-METHOXY-3,4,5,6-TETRAHYDRO-2H-AZEPINE 5-FORMYL-2-THIOPHENECARBOXYLIC ACID 2-PYRAZINECARBONYL CHLORIDE 3-FLUOROPHENYL ISOCYANATE 2-Chloro-6-methylpyrimidin-4-ylamine METHYL 6-(ACETYLAMINO)NICOTINATE
Benzene Suppliers      Global( 195)Suppliers     
Supplier Tel Fax Email Country ProdList Advantage
Shanghai Macklin Biochemical Co.,Ltd. 15221275939
021-51821727shenlinxing@macklin.cn China 13254 55
Shanghai Aladdin Bio-Chem Technology Co.,LTD 021-20337333/400-620-6333
021-50323701sale@aladdin-e.com China 28587 65
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933jkinfo@jkchemical.com;market6@jkchemical.com China 96832 76
Meryer (Shanghai) Chemical Technology Co., Ltd. +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing)sh@meryer.com China 40403 62
Alfa Aesar 400-610-6006; 021-67582000
021-67582001/03/05saleschina@alfa-asia.com China 30315 84
TCI (Shanghai) Development Co., Ltd. 800-988-0390
021-67121385sales@tcishanghai.com.cn China 22833 81
Beijing dtftchem Technology Co., Ltd. 13651141086; 86(10)60275028、60275820
86 (10) 60270825dtftchem@sina.com China 1443 62
Energy Chemical 021-58432009 / 400-005-6266
021-58436166-800info@energy-chemical.com China 44198 61
Beijing Ouhe Technology Co., Ltd +86-10-4006331231;+86-10-51280831;+86-10-82967028
+86-10-82967029sales@ouhechem.com China 10813 60
JinYan Chemicals(ShangHai) Co.,Ltd. 13817811078,021-50426030
86-021-50426522,50426273sales@jingyan-chemical.com China 10094 60
 
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