Basic information Physical and Chemical Properties Chemical Properties Uses Butanol isomers Laboratory method for preparing 2-butanol Production method Dangerous situations Incompatibility Storage Transport requirements Extinguish measures Hazards & Safety Information Safety Related Supplier
2-Butanol Structure

2-Butanol

Chemical Properties

Melting point −115 °C(lit.)
Boiling point 98 °C(lit.)
Density  0.808 g/mL at 25 °C(lit.)
vapor density  2.6 (vs air)
vapor pressure  12.5 mm Hg ( 20 °C)
refractive index  n20/D 1.397(lit.)
Flash point 80 °F
storage temp.  Store at +5°C to +30°C.
solubility  125g/l
form  Liquid
pka >14 (Schwarzenbach et al., 1993)
color  Colorless
Relative polarity 0.506
Odor Strong, pleasant.
PH Range 7
Odor Type fruity
Odor Threshold 0.22ppm
explosive limit 1.4-9.8%(V)
Water Solubility  12.5 g/100 mL (20 ºc)
Sensitive  Hygroscopic
Merck  14,1541
BRN  1718765
Henry's Law Constant 1.19 (static headspace-GC, Merk and Riederer, 1997)
Dielectric constant 15.8(25℃)
Exposure limits TLV-TWA 450 mg/m3 (150 ppm) (NIOSH), 305 mg/m3 (100 ppm) (ACGIH); IDLH 10,000 ppm.
Stability Stable. Flammable. Substances to be avoided include acids, acid chlorides, acid anhydrides, oxidizing agents and halogens.
InChIKey BTANRVKWQNVYAZ-UHFFFAOYSA-N
LogP 0.610
CAS DataBase Reference 78-92-2(CAS DataBase Reference)
NIST Chemistry Reference 2-Butanol(78-92-2)
EPA Substance Registry System 2-Butanol (78-92-2)

Safety Information

Hazard Codes  Xi
Risk Statements  10-36/37-67
Safety Statements  13-24/25-26-46-7/9
RIDADR  UN 1120 3/PG 3
OEB A
OEL TWA: 100 ppm (305 mg/m3), STEL: 150 ppm (455 mg/m3)
WGK Germany  1
RTECS  EO1750000
Autoignition Temperature 761 °F
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29051490
Hazardous Substances Data 78-92-2(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 6480 mg/kg LD50 dermal Rat > 2000 mg/kg
IDLA 2,000 ppm

MSDS

Usage And Synthesis

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