 Home > Encyclopedia > 3-Methyl-1,2-butadiene

3-Methyl-1,2-butadiene

3-Methyl-1,2-butadiene structure

CAS No:
598-25-4
Formula:
C5H8
Chemical Name:
3-Methyl-1,2-butadiene
Synonyms:
1,2-Butadiene,3-methyl-;1,1-Dimethylallene;3-Methyl-1,2-butadiene;2-Methyl-2,3-butadiene;1,1-Dimethylallylene;3,3-Dimethylallene;NSC 74117;1,1-Dimethylpropadiene;1,1-Dimethyl-1,2-propadiene
Categories:
Chemical Reagents > Organic Reagents

Request for Quotation

3-Methyl-1,2-butadiene Basic Attributes

Molecular Weight：

68.12

Exact Mass：

68.12

BRN：

1697090

EC Number：

209-926-1

UNII：

NQO612O389

NSC Number：

74117

DSSTox ID：

DTXSID00208529

Characteristics

PSA：

XLogP3：

1.73750

Density：

0.6913 g/cm³ @ Temp: 3.6 °C

Melting Point：

-113.6 °C

Boiling Point：

40.83 °C

Flash Point：

10 °F

Refractive Index：

n20/D 1.419(lit.)

Water Solubility：

soluble in ether, benzene, acetone, ethanol.

Storage Conditions：

2-8°C

Vapor Pressure：

6.87 psi ( 20 °C)

OH：

5.69e-11 cm3/molecule*sec

Safety Information

Packing level：

Hazard category：

Transport codes：

UN 3295 3/PG 2

wgk germany：

hazard class code：

11-36/37/38-65

safety instructions：

16-26-36-62

Marks：

F,Xn

Precautionary statement(s)：

P210, P233, P240, P241, P242, P243, P261, P264, P271, P280, P301+P310, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P312, P321, P331, P332+P313, P337+P313, P362, P370+P378, P403+P233, P403+P235, P405, P501

Hazard Statements：

H225

GHS Classification：

|Danger|H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]|P210, P233, P240, P241, P242, P243, P261, P264, P271, P280, P301+P310, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P312, P321, P331, P332+P313, P337+P313, P362, P370+P378, P403+P233, P403+P235, P405, and P501|Aggregated GHS information provided by 44 companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Drug Information

MeSH Entry Terms：

3-methyl-1,2-butadiene

Computed Properties

Molecular Weight:68.12
XLogP3:1.7
Exact Mass:68.062600255
Monoisotopic Mass:68.062600255
Heavy Atom Count:5
Complexity:60.1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:No