110930
Aldrich

3-Methyl-1,2-butadiene

98%

zoom

1 of 1

Synonym

1,1-Dimethylallene

Molecular Formula

(CH₃)₂C=C=CH₂

Molecular Weight

68.12

CAS Number

598-25-4

Beilstein Registry Number

1697090

MDL number

MFCD00008896

PubChem Substance ID

24846867

EG/EC Number

209-926-1

Expand/Collapse All

Descriptions

Packaging

1 g in ampule

250 mg in ampule

Properties

vapor pressure

6.87 psi ( 20 °C)

assay

98%

refractive index

n20/D 1.419(lit.)

40-41 °C(lit.)

−148 °C(lit.)

density

0.694 g/mL at 25 °C(lit.)

References

Beilstein

Beil. 1,IV,1006

reference

Aldrich MSDS 1, 1218:B / Corp MSDS 1 (2), 2306:C / FT-IR 2 (1), 42:B / FT-IR 1 (1), 30:C / FT-NMR 1 (1), 35:C / IR-Spectra (3), 23:B / IR-Spectra (2), 22:G / NMR-Reference 2 (1), 34:C / RegBook 1 (1), 27:B / Structure Index 1, 3:E:8 / Vapor Phase 3, 43:C

Safety

Hazard Codes

F,Xn

Risk Statements

11-36/37/38-65

Safety Statements

16-26-36-62

RIDADR

UN 3295 3/PG 2

WGK Germany

LEL

1.50%