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CAS No. 115-11-7
Chemical Name: ISOBUTYLENE
Synonyms: Isobuten;iso-C4H8;ISOBUTENE;SOBUTYLENE;ISOBUTYLENE;Methylpropen;Methylpropene;Isobutene(MP);HP-ISOBUTYLENE;gamma-Butylene
CBNumber: CB4763080
Molecular Formula: C4H8
Formula Weight: 56.11
MOL File: 115-11-7.mol
Melting point : −140 °C
Boiling point : −6.9 °C(lit.)
density : 0.5879
vapor density : 2 (vs air)
vapor pressure : 3278 mm Hg ( 37.7 °C)
refractive index : 1.3811
Fp : -80 °C
FreezingPoint : -140.34℃
Merck : 5141
Stability:: Stable. Highly flammable - readily forms an explosive mixture with air. Incompatible with strong oxidizing agents.
CAS DataBase Reference: 115-11-7(CAS DataBase Reference)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes : F+
Risk Statements : 12
Safety Statements : 9-16-33
RIDADR : UN 1055 2.1
WGK Germany : -
RTECS : UD0890000
F : 4.5-31
HazardClass : 2.1
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H220 Extremely flammable gas Flammable gases Category 1 Danger P210, P377, P381, P403
H280 Contains gas under pressure; may explode if heated Gases under pressure Compressed gas
Liquefied gas
Dissolved gas
Warning P410+P403
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P377 Leaking gas fire: Do not extinguish, unless leak can be stopped safely.
P381 Eliminate all ignition sources if safe to do so.
P410+P403 Protect from sunlight. Store in a well-ventilated place.

ISOBUTYLENE Chemical Properties,Usage,Production

Chemical Properties
colourless gas
ChEBI: An alkene that is prop-1-ene substituted by a methyl group at position 2.
General Description
ISOBUTYLENE is a colorless gas with a faint petroleum-like odor. For transportation ISOBUTYLENE may be stenched. ISOBUTYLENE is shipped as a liquefied gas under its own vapor pressure. Contact with the liquid can cause frostbite. ISOBUTYLENE is easily ignited. Its vapors are heavier than air and a flame can flash back to the source of leak very easily. The leak can either be a liquid or vapor leak. ISOBUTYLENE can asphyxiate by the displacement of air. Under prolonged exposure to fire or heat the containers may rupture violently and rocket. ISOBUTYLENE is used in the production of isooctane, a high octane aviation gasoline.
Air & Water Reactions
Highly flammable.
Reactivity Profile
ISOBUTYLENE is incompatible with oxidizers. ISOBUTYLENE polymerizes easily. ISOBUTYLENE reacts easily with numerous materials, such as alkyl halides, halogens, concentrated sulfuric acid, hypochlorous acid, aluminum chloride, carbon monoxide and hydrogen with a cobalt catalyst. Polymerization is catalyzed by aluminum chloride and boron trifluoride.
Health Hazard
Inhalation of moderate concentrations causes dizziness, drowsiness, and unconsciousness. Contact with eyes or skin may cause irritation; the liquid may cause frostbite.
Fire Hazard
Behavior in Fire: Containers may explode in fire. Vapor is heavier than air and may travel a long distance to a source of ignition and flash back.
ISOBUTYLENE Preparation Products And Raw materials
Raw materials
tert-Butyl methyl ether ISOBUTANE URANIUM tert-Butanol Aluminum oxide
Preparation Products
Petroleum additive tert-Butylhydroquinone 4,4'-Thiobis(6-tert-butyl-m-cresol) 4-tert-Butylcatechol 4-tert-Butyltoluene 1,1,3-TRIS(2-METHYL-4-HYDROXY-5-TERT-BUTYLPHENYL)BUTANE 2,3-Dihydro-2,2-dimethyl-7-benzofuranol 2-chloro-2-methyl propanal oxime dimer 2-Acrylamide-2-methylpropanesulfonic acid Propofol 2-chloro-2-trichloroethyl-3,3-dimethyl cyclobutenone Pivalic acid Octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole 2,4-Di-tert-butylphenol corrosion inhibitor PBTCA-type Methyl 2-methylbutyrate Triisobutylaluminium 2-tert-Butyl-4-methylphenol 6-tert-Butyl-m-cresol N-BUTANE Captopril 3-Methyl-2-buten-1-ol EXXON BUTYL RUBBER 065 FEMA 2961 ALDICARB-OXIME POLYISOBUTYLENE Antioxidant T502 2,5-Di-tert-butylhydroquinone 2,6-Di-tert-butyl-4-methylphenol 2,6-Di-tert-butylphenol 2,2'-Methylenebis(6-tert-butyl-4-methylphenol) Methyl 3-methyl-2-butenoate 2,5-Dimethyl-2,4-hexadiene Isobutenyl sulfide 2,2-DIMETHYL-3-(2-METHYLPROP-1-ENYL)CYCLOPROPANECARBOXYLIC ACID 3-Chloro-2-methylpropene 2-Methyl-2-propanethiol 2,2,4-Trimethylpentane Isobutyronitrile
ISOBUTYLENE Suppliers      Global( 88)Suppliers     
Supplier Tel Fax Email Country ProdList Advantage
Infinity SCI 400-106-2016 China 5981 55
Shanghai Boyle Chemical Co., Ltd. Mr Qiu:021-50182298(Demestic market) Miss Xu:021-50180596(Abroad market)
+86-21-57758967 China 2221 55
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933; 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) China 40403 62
TCI (Shanghai) Development Co., Ltd. 800-988-0390
021-67121385 China 22833 81
Energy Chemical 021-58432009 / 400-005-6266
021-58436166-800 China 44198 61
Beijing Ouhe Technology Co., Ltd +86-10-4006331231;+86-10-51280831;+86-10-82967028
+86-10-82967029 China 10814 60
Jia Xing Isenchem Co.,Ltd 0573-85280080,15157346371
0573-85285100,QQ:2446116053 China 9827 66
Secco work (Beijing) chemical technology co., LTD 010-69755668;
010-69755668 China 3549 54
Chemfun Medical Technology(Shanghai) Co., Ltd. 021-67220633 & 021-37212706
+86-21-67220638 China 21909 59
115-11-7(ISOBUTYLENE)Related Search:
tert-Butyl methyl ether N-BUTANE 1-CHLORO-2-METHYL-1-PROPENE 1,4,5,8,9,10-Hexahydroanthracene 4-Chloro-alpha-methylstyrene Bianthrone 3-Chloro-2-methylpropene 1-Chloro-3-methyl-2-butene Ethyl chrysanthemumate 9-DICYANOMETHYLENE-2,4,7-TRINITROFLUORENE 4,4'-DDE (ALPHA,GAMMA-BISDIPHENYLENE-BETA-PHENYLALLYL), FREE RADICAL Colchicine Bromotriphenylethylene ITACONYL CHLORIDE GERANYL BROMIDE Methacryloyl chloride 2-(CHLOROMETHYL)ALLYLTRICHLOROSILANE
2-METHYLPROPENE 2-METHYL-1-PROPENE Analytical Reagents Analytical Chromatography Product Catalog 115-11-7 HP-ISOBUTYLENE ISOBUTENE ISOBUTYLENE Synthetic Reagents Compressed and Liquefied Gases 1,1-dimethylethene 1,1-Dimethylethylene 2-methyl-1-propen 2-methyl-propen 2-Methylpropene-isobutylene 2-methylpropylene asym-dimethylethylene gamma-Butylene Isobuten iso-C4H8 Isopropylidenemethylene Methylpropen Methylpropene Propene, 2-methyl- propene,2-methyl- Hydrocarbons (Low Boiling point) Gas Cylinders 2-METHYLPROPENE CYL. WITH 27 L (NET~14KG 2-METHYLPROPENE PRESSURE TIN WITH 250 ML (NET ~150 G) 2-METHYLPROPENE, CYLINDER WITH 7 L (NET ~3.6 KG) 2-Methylpropene, high purity Isobutene, high purity Isobutylene, high purity 1-Propene, 2-methyl- CH2CCH32 115117 CH32CCH2 Isobutene (in cylinder without valve) Gas Cylinders Hydrocarbons (Low Boiling point) Synthetic Organic Chemistry Isobutene (in cylinder without valve) [To use this product charged in cylinder, a valve is required which is sold separately (Product Code:V0030)] unsym-Dimethylethylene Chemical Synthesis Specialty Gases Synthetic Reagents Isobutene(MP) Isobutene (ca. 10% in Isopropyl Ether) Isobutene (ca. 15% in Tetrahydrofuran) Isobutene (ca. 8% in Dichloromethane) SOBUTYLENE
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