Boiling point :48-49 °C/15 mmHg (lit.)
Density :1.035 g/mL at 25 °C (lit.)
FEMA :3298 | 3-MERCAPTO-2-BUTANONE
refractive index :n20/D 1.4352
Flash point :117 °F
storage temp. :Refrigerator
form :clear liquid
pka :8.38±0.10(Predicted)
color :Colorless to Light yellow
Specific Gravity :1.015
Odor :at 0.10 % in propylene glycol. sulfurous onion roasted gassy meaty
Odor Type :sulfurous
Sensitive :Light Sensitive
JECFA Number :558
LogP :0.67
CAS DataBase Reference :40789-98-8(CAS DataBase Reference)
NIST Chemistry Reference :2-Butanone, 3-mercapto-(40789-98-8)
EPA Substance Registry System :2-Butanone, 3-mercapto- (40789-98-8)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.