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CAS No.: | 3350-78-5 |
---|---|
Name: | 3-Methylcrotonoyl chloride |
Article Data: | 70 |
Molecular Structure: | |
Formula: | C5H7ClO |
Molecular Weight: | 118.563 |
Synonyms: | Crotonoylchloride, 3-methyl- (7CI,8CI);Senecioyl chloride (6CI);3,3-Dimethylacrylicacid chloride;3,3-Dimethylacryloyl chloride;3,3-Dimethylacrylyl chloride;3-Methyl-2-butenoyl chloride;3-Methylcrotonoyl chloride;b,b-Dimethylacrylic acid chloride;b,b-Dimethylacryloyl chloride;b,b-Dimethylacrylyl chloride;b-Methylcrotonoyl chloride;g,g-Dimethylacryloyl chloride; |
EINECS: | 222-109-4 |
Density: | 1.049 g/cm3 |
Boiling Point: | 146 °C at 760 mmHg |
Flash Point: | 51.1 °C |
Solubility: | reacts with water |
Appearance: | clear colorless to yellow liquid |
Hazard Symbols: | C |
Risk Codes: | 14-34-36/37-10 |
Safety: | 26-36/37/39-45-16 |
Transport Information: | UN 2920 8/PG 2 |
PSA: | 17.07000 |
LogP: | 1.71800 |
Conditions | Yield |
---|---|
With oxalyl dichloride In dichloromethane at 20℃; | 99% |
With thionyl chloride at 0℃; for 3h; | 96% |
With thionyl chloride 1.) reflux, 1.3 h, 2.) room temperature, 2.5 h, 3.) reflux, 1 h; | 92% |
Conditions | Yield |
---|---|
With thionyl chloride Erhitzen des Reaktionsgemisches mit wenig Schwefelsaeure; |
3,3-Dimethylacryloyl chloride
i-Amyl alcohol
3-methyl-1-butyl 3-methyl-2-butenoate
Conditions | Yield |
---|---|
With pyridine; dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 3.5h; | 100% |
In benzene at 30℃; Kinetics; Activation energy; Further Variations:; Temperatures; Acylation; alcoholysis; | |
With pyridine; benzene |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 2h; | 100% |
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 2h; | 100% |
With pyridine | 97% |
3,3-Dimethylacryloyl chloride
diphenylphosphinous acid methyl ester
(3-Methyl-2-butenoyl)diphenylphosphanoxid
Conditions | Yield |
---|---|
1) -196 deg C to r.t., 2) 2 h, r.t.; | 100% |
3,3-Dimethylacryloyl chloride
monohydroxymethyl-alpha-terthiophene
5-(3-methyl-2-butenoyloxy)methyl-2,2':5',2''-terthiophene
Conditions | Yield |
---|---|
With pyridine In dichloromethane | 100% |
With pyridine In tetrahydrofuran 1.) 0 deg C, 3 h, 2.) reflux, 2h; |
3,3-Dimethylacryloyl chloride
(E)-trimethyl[2-(4-methylphenyl)ethenyl]silane
(E)-1-(4-methylphenyl)-3-oxo-5-methyl-1,4-hexadiene
Conditions | Yield |
---|---|
With aluminium trichloride In dichloromethane at -78℃; for 0.5h; | 100% |
3,3-Dimethylacryloyl chloride
2-methoxy-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane
Conditions | Yield |
---|---|
at 0 - 35℃; for 4h; | 100% |
for 1h; Yield given; |
3,3-Dimethylacryloyl chloride
4-bromo-aniline
N-(3,3'-dimethylacryoloyl)-4-bromoaniline
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 3.33333h; | 100% |
Stage #1: 3,3-Dimethylacryloyl chloride; 4-bromo-aniline In dichloromethane at 20℃; for 0.333333h; Stage #2: With triethylamine In dichloromethane at 20℃; for 3h; | 100% |
With pyridine at 0 - 20℃; for 5h; Inert atmosphere; | 99% |
3,3-Dimethylacryloyl chloride
(R)-3-benzyloxy-1,2-propanediol
1,2-di(3-methylbut-2-enoyl)-3-benzyl-sn-glycerol
Conditions | Yield |
---|---|
With pyridine; dmap In dichloromethane at 0 - 20℃; | 100% |
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IUPAC Name: 3-Methylbut-2-enoyl chloride
Molecular Formula: C5H7ClO
Molecular Weight: 118.56
EINECS: 222-109-4
Density: 1.049 g/cm3
Boiling Point: 145-147 ºC
Flash Point: 51 ºC
Solubility: reacts
Properties: clear colorless to yellow liquid
Freely Rotating Bonds: 1
Polar Surface Area: 17.07 Å2
Index of Refraction: 1.443
Molar Refractivity: 29.99 cm3
Molar Volume: 112.9 cm3
Polarizability: 11.88 ×10-24 cm3
Surface Tension: 27.1 dyne/cm
Enthalpy of Vaporization: 38.3 kJ/mol
Vapour Pressure: 4.73 mmHg at 25°C
The Cas Register Number of 2-Butenoyl chloride, 3-methyl- is 3350-78-5. The chemical synonyms of 2-Butenoyl chloride,3-methyl- (CAS NO.3350-78-5) are 2-Butenoyl chloride, 3-methyl- ; 3,3-Dimethylacrylyl chloride ; 3-methyl-2-butenoylchlorid ; 3-Methyl-2-butenoyl chloride ; 3-Methyl-but-2-enoyl chloride ; 3-Methylcrotonoyl chloride ; 3,3-Dimethylacryloyl chloride ; Senecioyl chloride .
The molecular structure of 2-Butenoyl chloride,3-methyl- (CAS NO.3350-78-5) is .
2-Butenoyl chloride,3-methyl- (CAS NO.3350-78-5) is used as organic reagent and pharmaceutical intermediate.
Hazard Codes: C
Risk Statements: 14-34-36/37-10
R14: Reacts violently with water.
R34: Causes burns.
R36/37: Irritating to eyes and respiratory system.
R10: Flammable.
Safety Statements: 26-36/37/39-45-16
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S16: Keep away from sources of ignition.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 2920 8/PG 2
WGK Germany: 3
F: 10-19
HazardClass: 3.2
PackingGroup: III