Basic information
- Name:
2-Butanone, 3-chloro-
- Superlist Name:
- 3-Chloro-2-butanone
- CAS No.:
4091-39-8
- Molecular Structure:
- Formula:
- C4H7 Cl O
- Molecular Weight:
- 106.56
- Deleted CAS:
- 54439-42-8
- Synonyms:
- (?à)-3-Chloro-2-butanone;1-Chloroethyl methyl ketone;2-Chloro-3-butanone;3-Chloro-2-butanone;3-Chlorobutanone;
- EINECS:
- 223-834-9
- Density:
- 1.055
- Melting Point:
- <-60°C
- Boiling Point:
- 114-117 ºC
- Flash Point:
- 23 ºC
- Solubility:
- 3 g/100 mL
- Hazard Symbols:
- Risk Codes:
- R10;R20/21/22;R36/37/38
- Safety Description:
- Moderately toxic by an unreported route. When heated to decomposition it emits toxic vapors of Cl−. Details
- Transport Information:
- UN 1224
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Chemistry
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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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. |
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
