| Identification | More | [Name]
3-METHYL-1,2-BUTADIENE | [CAS]
598-25-4 | [Synonyms]
1,1-DIMETHYLALLENE
3,3-DIMETHYLALLENE
3-METHYL-1,2-BUTADIENE
1,1-Dimethylallylene
1,2-butadiene,3-methyl-
2-Methyl-2,3-butadiene
3-methyl-buta-1,2-diene
CH2=C=C(CH3)2
unsym-dimthylallene
3-METHYL-1,2-BUTADIENE 98%
unsym-Dimethylallene | [EINECS(EC#)]
209-926-1 | [Molecular Formula]
C5H8 | [MDL Number]
MFCD00008896 | [Molecular Weight]
68.12 | [MOL File]
598-25-4.mol |
| Chemical Properties | Back Directory | [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.)
| [Fp ]
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 Data | Back Directory | [Hazard Codes ]
F,Xn | [Risk Statements ]
R11:Highly Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
R65:Harmful: May cause lung damage if swallowed. | [Safety Statements ]
S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S62:If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label . | [RIDADR ]
UN 3295 3/PG 2
| [WGK Germany ]
3
| [F ]
10-23 | [HS Code ]
2901.29.5000 | [HazardClass ]
3 | [PackingGroup ]
II |
| Hazard Information | Back Directory | [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. | [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. |
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