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2-Butanethiol Structure

2-Butanethiol

Chemical Properties

Melting point -165°
Boiling point 84.6-85.2 °C(lit.)
Density  0.83 g/mL at 25 °C(lit.)
vapor pressure  142 mm Hg ( 37.7 °C)
refractive index  n20/D 1.436(lit.)
Flash point 70 °F
storage temp.  Store below +30°C.
solubility  1.32g/l
form  liquid
pka 10.92±0.10(Predicted)
Specific Gravity 0.83
color  Colorless to Almost colorless
Odor sulfurous
Odor Threshold 0.00003ppm
explosive limit 1.7-9.6%(V)
Merck  14,1578
LogP 2.180
CAS DataBase Reference 513-53-1(CAS DataBase Reference)
FDA UNII Y2D731QBYN
NIST Chemistry Reference 2-Butanethiol(513-53-1)
EPA Substance Registry System 2-Butanethiol (513-53-1)
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Safety

Symbol(GHS) GHS hazard pictograms
Signal wordDanger
Hazard statements H225
Precautionary statements P210-P370+P378-P403+P235
Hazard Codes  F,Xi
Risk Statements  11-36/37/38
Safety Statements  16-26-36
RIDADR  UN 2347 3/PG 2
WGK Germany  3
F  13
HazardClass  3.1
PackingGroup  II
HS Code  29309070
Hazardous Substances Data 513-53-1(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 5176 mg/kg LD50 dermal Rabbit > 2000 mg/kg
NFPA 704:
3
2 0

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