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Substance Name: Isobutylene
RN: 115-11-7
UNII: QA2LMR467H
InChIKey: VQTUBCCKSQIDNK-UHFFFAOYSA-N
Classification Code
- Tumor Data
Molecular Formula
- C4-H8
Molecular Weight
- 56.1072
- All
- Links to Resources
- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
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Names and Synonyms
Name of Substance
- Isobutylene
Synonyms
- 1,1-Dimethylethene
- 1,1-Dimethylethylene
- 1-Propene, 2-methyl-
- 2-Methyl-1-propene
- 2-Methylpropene
- 2-Methylpropylene
- Butene, all isomers
- CCRIS 2281
- EC 204-066-3
- EINECS 204-066-3
- gamma-Butylene
- HSDB 613
- Isobutene
- Isobutylene
- Isopropylidenemethylene
- Propene, 2-methyl-
- sym-Dimethylethylene
- UNII-QA2LMR467H
Systematic Names
- 1-Propene, 2-methyl-
- 2-Methylpropene
Superlist Names
- 1-Propene, 2-methyl-
- 2-Methylpropene
- Isobutene
- Isobutylene see also Petroleum gases, liquefied
- Isobutylene see also Petroleum gases, liquefied [UN1055] [Flammable gas]
- Methylpropene
- Propene, 2-methyl-
- UN1055
Registry Numbers
CAS Registry Number
- 115-11-7
FDA UNII
- QA2LMR467H
System Generated Number
- 0000115117
Structure Descriptors
InChI
InChI=1S/C4H8/c1-4(2)3/h1H2,2-3H3InChIKey
VQTUBCCKSQIDNK-UHFFFAOYSA-NSmiles
CC(=C)Toxicity
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LC50 | inhalation | 415gm/m3/2H (415000mg/m3) | Farmakologiya i Toksikologiya Vol. 30, Pg. 102, 1967. | |
| rat | LC50 | inhalation | 620gm/m3/4H (620000mg/m3) | Farmakologiya i Toksikologiya Vol. 30, Pg. 102, 1967. |
Physical Properties
| Physical Property | Value | Units | Temp (deg C) | Source |
|---|---|---|---|---|
| Melting Point | -1.40E+02 | deg C | EXP | |
| Boiling Point | -6.90E+00 | deg C | EXP | |
| log P (octanol-water) | 2.34 | (none) | EXP | |
| Water Solubility | 263 | mg/L | 25 | EXP |
| Vapor Pressure | 2310 | mm Hg | 25 | EXP |
| Henry's Law Constant | 0.218 | atm-m3/mole | 25 | EXP |
| Atmospheric OH Rate Constant | 5.14E-11 | cm3/molecule-sec | 25 | EXP |
Physical property data is provided to ChemIDplus by SRC, Inc.