Melting point :-114 °C
Boiling point :99-100 °C (lit.)
alpha :13 º (neat)
Density :0.803 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. :Sealed in dry,Room Temperature
form :Liquid
pka :15.31±0.20(Predicted)
color :Clear colorless
Odor :at 1.00 % in dipropylene glycol. oily wine
Odor Type :oily
optical activity :[α]20/D +13°, neat
explosive limit :9.8%
Water Solubility :125 g/L (20 ºC)
Merck :14,1541
BRN :1718763
Stability :Stable. Incompatible with acids, acid chlorides, acid anhydrides, oxidizing agents, halogens.
LogP :0.691 (est)
CAS DataBase Reference :4221-99-2(CAS DataBase Reference)
NIST Chemistry Reference :2-Butanol, (S)-(+)-(4221-99-2)

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 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 H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501
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. P242 Use only non-sparking tools. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.