3-METHYL-1,2-BUTADIENE Property

Melting point:

-148 °C (lit.)

Boiling point:

40-41 °C (lit.)

Density 

0.694 g/mL at 25 °C (lit.)

vapor pressure 

6.87 psi ( 20 °C)

refractive index 

n20/D 1.419(lit.)

Flash point:

10 °F

storage temp. 

2-8°C

solubility 

Soluble in ether, benzene, acetone, ethanol.

form 

clear liquid

color 

Colorless to Almost colorless

Sensitive 

Air Sensitive

BRN 

1697090

CAS DataBase Reference

598-25-4(CAS DataBase Reference)

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 

3

F 

10-23

HS Code 

2901.29.5000

HazardClass 

3

PackingGroup 

II

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H225Highly Flammable liquid and vapour

H304May be fatal if swallowed and enters airways

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

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

P233Keep container tightly closed.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

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.

P331Do NOT induce vomiting.

3-METHYL-1,2-BUTADIENE Chemical Properties,Usage,Production

Uses

3-Methyl-1,2-butadiene has been used to study the photo-induced reaction of 1,1-dimethylallene with the cyanoarenes 1,2,4,5-tetracyanobenzene, 1,4-dicyanobenzene and 1,4-dicyanonaphthalene in the presence of methanol as nucleophile.

Uses

3-Methyl-1,2-butadiene (1,1-dimethylallene) has been used to study the photo-induced reaction of 1,1-dimethylallene with the cyanoarenes 1,2,4,5-tetracyanobenzene, 1,4-dicyanobenzene and 1,4-dicyanonaphthalene in the presence of methanol as nucleophile.