ChemicalBook > CAS DataBase List > Isobutylene oxide

Isobutylene oxide

Product Name
Isobutylene oxide
CAS No.
558-30-5
Chemical Name
Isobutylene oxide
Synonyms
2,2-DIMETHYLOXIRANE;1,2-EPOXY-2-METHYLPROPANE;Isobutene oxide;1,2-EPOXYISOBUTANE;1,1-DIMETHYLOXIRANE;Isobutylene epoxide;2-METHYLPROPYLENE OXIDE;2-Methyl-1,2-epoxypropane;isobuteneoxide;Isobutyl Oxide
CBNumber
CB9460926
Molecular Formula
C4H8O
Formula Weight
72.11
MOL File
558-30-5.mol
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Isobutylene oxide Property

Boiling point:
50-51 °C(lit.)
Density 
0.812 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.374(lit.)
Flash point:
33 °F
storage temp. 
Flammables area
solubility 
58g/l
form 
Liquid
Specific Gravity
approximate 0.82 (20℃)
color 
Clear colorless
explosive limit
1.5-13.5%(V)
Water Solubility 
58 g/L (20 ºC)
Sensitive 
Moisture Sensitive
BRN 
102408
CAS DataBase Reference
558-30-5(CAS DataBase Reference)
NIST Chemistry Reference
Oxirane, 2,2-dimethyl-(558-30-5)
EPA Substance Registry System
Oxirane, 2,2-dimethyl- (558-30-5)
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Safety

Hazard Codes 
F,Xi,Xn,C
Risk Statements 
11-36/37/38-20/21/22-34
Safety Statements 
16-26-36-36/37/39-45
RIDADR 
UN 1993 3/PG 1
WGK Germany 
2
RTECS 
TZ3580000
TSCA 
Yes
HazardClass 
3
PackingGroup 
II
HS Code 
29109000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H314Causes severe skin burns and eye damage

H341Suspected of causing genetic defects

H351Suspected of causing cancer

Precautionary statements

P202Do not handle until all safety precautions have been read and understood.

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
531537
Product name
1,2-Epoxy-2-methylpropane
Purity
97%
Packaging
10g
Price
$117.8
Updated
2025/07/31
Sigma-Aldrich
Product number
531537
Product name
1,2-Epoxy-2-methylpropane
Purity
97%
Packaging
50g
Price
$430
Updated
2025/07/31
TCI Chemical
Product number
I0323
Product name
Isobutylene Oxide
Purity
>98.0%(GC)
Packaging
25mL
Price
$81
Updated
2025/07/31
TCI Chemical
Product number
I0323
Product name
Isobutylene Oxide
Purity
>98.0%(GC)
Packaging
500mL
Price
$795
Updated
2025/07/31
TRC
Product number
D479065
Product name
1,1-Dimethyloxirane
Packaging
100g
Price
$225
Updated
2021/12/16
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Isobutylene oxide Chemical Properties,Usage,Production

Chemical Properties

clear colorless liquid

Uses

Isobutylene oxide is employed as an initiator for the preparation of polyisobutylenes. It finds application in the synthesis of 1-tert-butylperoxy-2-methyl-propan-2-ol.

Uses

Isobutylene oxide is an epoxide that is used as an initiator in the synthesis of polyisobutylenes.

Definition

ChEBI: 2,2-Dimethyloxirane is an epoxide.

Flammability and Explosibility

Highly flammable

Isobutylene oxide Preparation Products And Raw materials

Raw materials

Preparation Products

6-Acetyl-4,4-dimethylthio-chroman 2-Methyl-4-(phenylthio)-2-butanol
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Isobutylene oxide Suppliers

Americas 1 Belgium 3 Canada 2 China 206 Europe 1 France 2 Germany 10 India 11 Japan 3 Jordan 1 Slovakia 1 Switzerland 2 The Netherlands 1 Ukraine 1 United Kingdom 6 United States 29 Global 280
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View Lastest Price from Isobutylene oxide manufacturers

Hebei Chuanghai Biotechnology Co., Ltd
Product
Isobutylene oxide 558-30-5
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2024-10-28
Henan Aochuang Chemical Co.,Ltd.
Product
Isobutylene oxide 558-30-5
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
1Ton
Release date
2022-10-08
Hebei Yanxi Chemical Co., Ltd.
Product
Isobutylene oxide 558-30-5
Price
US $25.00-13.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
20 tons
Release date
2023-09-13

558-30-5, Isobutylene oxideRelated Search:

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  • 1,2-EPOXY-2-METHYLPROPANE
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  • 1,1-dimethylethyleneoxide
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  • 1,2-isobutyleneoxide
  • IsobutyleneOxide&gt
  • 1,2-Epoxy-2-methyL
  • Isobutylene oxide ISO 9001：2015 REACH
  • Methyl propylene oxide English name: Isobutylene oxide
  • 558-30-5
  • CH32CCH2O
  • CH32C2H2O
  • Simple 3-Membered Ring Compounds
  • Oxiranes
  • Oxiranes
  • Simple 3-Membered Ring Compounds