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3-Mercapto-2-butanone cas no:40789-98-8

Synonyms: 2-Mercapto-3-butanone;3-Mercaptobutan-2-one;2-Butanone, 3-mercapto-;

Identification
Name3-Mercapto-2-butanone
CAS40789-98-8
Synonyms2-Mercapto-3-butanone;3-Mercaptobutan-2-one;2-Butanone, 3-mercapto-;
EINECS(EC#)255-082-2
Molecular FormulaC4H8OS
Molecular Weight104.16
Chemical Properties
Appearancecolourless or pale yellow liquid, becomes cloudy after short storage
refractive indexn20/D 1.4352
storage tempRefrigerator
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Hazardclass3
Safety Data

Hazard Xi
Risk R10
Safety

Hazard Codes: IrritantXi
Risk Statements: 10-36/37/38
R10:Flammable. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements:  26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
RIDADR: UN 1993 3/PG 2
WGK Germany: 3
HazardClass: 3
PackingGroup: III
RTECS of 3-Mercapto-2-butanone (CAS NO.40789-98-8): EL9050000


Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 500mg/kg (500mg/kg)   European Journal of Medicinal Chemistry--Chimie Therapeutique. Vol. 21, Pg. 461, 1986.

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