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Cas Database |
| Name |
3-CHLORO-2-BUTANONE |
EINECS | 223-834-9 |
| CAS No. | 4091-39-8 | Density | 1.055 |
| PSA | 17.07000 | LogP | 1.20270 |
| Solubility | 3 g/100 mL | Melting Point |
<-60°C |
| Formula | C4H7 Cl O | Boiling Point | 114-117 ºC |
| Molecular Weight | 106.552 | Flash Point | 23 ºC |
| Transport Information | UN 1224 | Appearance | Yellow clear liquid |
| Safety | Moderately toxic by an unreported route. When heated to decomposition it emits toxic vapors of Cl−. | Risk Codes | R10;R20/21/22;R36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
|
| Synonyms |
(?à)-3-Chloro-2-butanone;1-Chloroethyl methyl ketone;2-Chloro-3-butanone;3-Chloro-2-butanone;3-Chlorobutanone; |
Article Data | 53 |
3-CHLORO-2-BUTANONE Synthetic route
| Conditions | Yield |
|---|---|
| With trichloroisocyanuric acid; boron trifluoride diethyl etherate for 1.5h; Ambient temperature; | 58% |
| With hydrogenchloride; dihydrogen peroxide; copper dichloride at 35 - 78℃; for 5.25h; | 12.6% |
| With chlorine |
| Conditions | Yield |
|---|---|
| With calcium hypochlorite In water at -3 - 0℃; for 2.5h; | 39.5% |
- 22596-46-9
2,3-dimethyl-2-nitro-oxirane
- 4091-39-8
3-chloro-2-butanone
| Conditions | Yield |
|---|---|
| With lithium chloride; boron trifluoride diethyl etherate In acetone for 2h; | 34% |
- 4461-41-0
2-chloro-but-2-ene
A
- 10403-60-8
2,2,3-trichloro-butane
B
- 7013-11-8
2,3-dichlorobut-1-ene
C
- 4091-39-8
3-chloro-2-butanone
| Conditions | Yield |
|---|---|
| With chlorine; sodium hydrogencarbonate at 0℃; | A 22.7% B 17% C 20% |
| Conditions | Yield |
|---|---|
| With chlorine in der Dampfphase; | |
| With chlorine in der Dampfphase; |
| Conditions | Yield |
|---|---|
| With water |
| Conditions | Yield |
|---|---|
| With water; calcium carbonate at 70℃; beim Chlorieren; | |
| With chlorine im Sonnenlicht; | |
| With sulfuryl dichloride im Sonnenlicht; |
- 78-93-3
butanone
A
- 4091-39-8
3-chloro-2-butanone
B
- 616-27-3
1-chlorobutan-2-one
C
- 16714-77-5
1,3-dichlorobutan-2-one
| Conditions | Yield |
|---|---|
| beim Chlorieren; | |
| beim Chlorieren; |
| Conditions | Yield |
|---|---|
| With chlorine; dinitrogen tetraoxide In tetrachloromethane |
- 15984-02-8
1-methyl-1-propenyl acetate
- 4091-39-8
3-chloro-2-butanone
| Conditions | Yield |
|---|---|
| With chlorine; dinitrogen tetraoxide In methanol; tetrachloromethane |
3-CHLORO-2-BUTANONE Chemical Properties
Molecular Formula: C4H7ClO
Molecular Weight: 106.55
Flash point: 23 ºC
EINECS: 223-834-9
Melting Point: <-60°C
Storage temp: Flammables area
Water solubility: 3 g/100 mL
Refractive index: 1.42-1.422
CAS Registry Number: 4091-39-8
IUPAC Name: 3-chlorobutan-2-one
Density: 1.055 g/mL at 25 °C(lit.)
Boiling Point: 114.7 °C at 760 mmHg
Vapour Pressure: 19.7 mmHg at 25°C
Appearance: clear yellow to brownish liquid
Stability of 3-Chloro-2-butanone (CAS NO.4091-39-8): Stable under normal temperatures and pressures.
Synonyms: 2-Chloro-3-butanone ; 1-Chloroethyl methyl ketone ; 1-Acetyl-1-chloroethane ; 3-Chloro-2-butanone ; 3-Chlorobutanone ; 3-CL-MEK ; 3-Chloro-2-oxobutane~Methyl alpha-chloroethyl ketone
Following is the molecular structure of 3-Chloro-2-butanone (CAS NO.4091-39-8):
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3-CHLORO-2-BUTANONE Toxicity Data With Reference
| 1. | unr-mus LD50:810 mg/kg | TOVEFN Toksikologicheskii Vestnik. (18-20 Vadkovskii per. Moscow, 101479, Russia) History Unknown(2),1996,34. |
3-CHLORO-2-BUTANONE Safety Profile
Moderately toxic by an unreported route. When heated to decomposition it emits toxic vapors of Cl−.
Safety Information of 3-Chloro-2-butanone (CAS NO.4091-39-8):
Hazard Codes: Xn 
Risk Statements: 10-22-36/37/38-20/21/22
R10: Flammable.
R22: Harmful if swallowed.
R36/37/38: Irritating to eyes, respiratory system and skin.
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 16-36/37/39-26
S16: Keep away from sources of ignition.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RIDADR: UN 1224 3/PG 3
WGK Germany: 3
RTECS: EL7062000
HazardClass: 3
PackingGroup: III
HS Code: 29147090
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