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CAS No.: | 926-56-7 |
---|---|
Name: | 4-METHYL-1,3-PENTADIENE |
Article Data: | 73 |
Molecular Structure: | |
Formula: | C6H10 |
Molecular Weight: | 82.1454 |
Synonyms: | 1,1-Dimethyl-1,3-butadiene;1,1-Dimethylbutadiene; 2-Methyl-2,4-pentadiene; 4-Methyl-1,3-pentadiene |
Density: | 0.707g/cm3 |
Melting Point: | -94.9°C (estimate) |
Boiling Point: | 76.5°Cat760mmHg |
Flash Point: | °C |
Hazard Symbols: | |
Risk Codes: | 11-65 |
Safety: | A very dangerous fire hazard when exposed to heat or flame. When heated to decomposition it emits acrid smoke and irritating fumes. See also 2-METHYL-1,3-PENTADIENE. |
PSA: | 0.00000 |
LogP: | 2.13860 |
N-(1-isopropylallyloxycarbonyl)aniline
A
4-methyl-1,3-pentadiene
B
4-methyl-3-(phenylamino)pent-1-ene
C
aniline
Conditions | Yield |
---|---|
PdLn In 1,4-dioxane at 100℃; for 0.25h; | A n/a B 2 % Chromat. C 98% |
4-methyl-1,3-pentadiene
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In dimethyl sulfoxide at 25℃; | 72% |
(E)-but-2-en-1-yl phenylcarbamate
A
4-methyl-1,3-pentadiene
B
(E)-N-(2-butenyl)aniline
C
aniline
Conditions | Yield |
---|---|
PdLn In 1,4-dioxane at 100℃; for 6h; | A n/a B 70% C 30% |
3,3-dimethyl acrylaldehyde
Methyltriphenylphosphonium bromide
4-methyl-1,3-pentadiene
Conditions | Yield |
---|---|
With n-butyllithium In diethyl ether; pentane for 12h; Ambient temperature; | 57% |
With n-butyllithium In diethyl ether; toluene at 20℃; Inert atmosphere; | 14% |
1,3,3-trimethylcyclopropene
A
4-methyl-1,3-pentadiene
B
4-methylpent-2-yne
C
2-methyl-2,3-pentadiene
D
trans-2-methyl-1,3-pentadiene
Conditions | Yield |
---|---|
In pentane at 23℃; Irradiation; Further byproducts given; | A 37% B 14% C 31% D 11% |
1,3,3-trimethylcyclopropene
A
4-methyl-1,3-pentadiene
B
4-methylpent-2-yne
C
2-methyl-2,3-pentadiene
D
2,3-dimethyl-buta-1,3-diene
Conditions | Yield |
---|---|
In pentane at 23℃; Irradiation; Further byproducts given; | A 37% B 14% C 31% D 7% |
1,3,3-trimethylcyclopropene
A
4-methyl-1,3-pentadiene
B
4-methylpent-2-yne
C
2-methyl-2,3-pentadiene
D
trans-2-methyl-1,3-pentadiene
E
2,3-dimethyl-buta-1,3-diene
Conditions | Yield |
---|---|
In pentane at 23℃; Product distribution; Irradiation; | A 37% B 14% C 31% D 11% E 7% |
A
4-methyl-1,3-pentadiene
B
1,3-Dimethyl-1,3-butadien
C
1,3-dimethylcyclobutene
Conditions | Yield |
---|---|
With tert.-butyl lithium | A 19% B 32% C 37% |
2-methyl-2,4-pentanediol
A
4-methyl-1,3-pentadiene
B
trans-2-methyl-1,3-pentadiene
Conditions | Yield |
---|---|
With hydrogen bromide In water Dehydration; | A 7% B n/a |
2,4,4,6-tetramethyl-1,3-dioxane
A
4-methyl-1,3-pentadiene
B
1,3-Dimethyl-1,3-butadien
Conditions | Yield |
---|---|
With phosphate-catalyst; water at 325℃; |
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IUPAC Name: 4-Methylpenta-1,3-diene
Synonyms: 4-Methylpenta-1,3-diene ; 1,3-Pentadiene, 4-methyl- ; 3-Methyl-1,4-pentadiene ; 4-Methyl-1,3-pentadiene ; Penta-1,3-diene, 4-methyl-
The Molecular Formula of 4-Methylpenta-1,3-diene (CAS NO.926-56-7):C6H10
The Molecular Weight of 4-Methylpenta-1,3-diene (CAS NO.926-56-7):82.1436g/mol
The Molecular Structure of 4-Methylpenta-1,3-diene (CAS NO.926-56-7):
Index of Refraction: 1.421
Molar Refractivity: 29.47 cm3
Molar Volume: 116 cm3
Surface Tension: 19.2 dyne/cm
Density: 0.707 g/ cm3
Flash Point: -18°C
Enthalpy of Vaporization: 30.44 kJ/mol
Boiling Point: 76.5 °C at 760 mmHg
Vapour Pressure: 111 mmHg at 25°C
4-Methylpenta-1,3-diene ,whose cas register No. is 926-56-7, can be used as reducing agent.
A very dangerous fire hazard when exposed to heat or flame. When heated to decomposition it emits acrid smoke and irritating fumes. See also 2-METHYL-1,3-PENTADIENE.
Hazard Codes: F,Xn
Risk Statements: 11-65
R11:Highly flammable.
R65:Harmful: may cause lung damage if swallowed.
Safety Statements: 16-36-62
S16:Keep away from sources of ignition.
S36:Wear suitable protective clothing.
S62:If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label.
RIDADR: UN 2461 3/PG 2
WGK Germany: 3
HazardClass: 3.1
PackingGroup: II