4221-99-2

Name (S)-(+)-2-Butanol
CAS 4221-99-2
EINECS(EC#) 224-168-1
Molecular Formula C4H10O
MDL Number MFCD00064281
Molecular Weight 74.12
MOL File 4221-99-2.mol
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Chemical Properties

Appearance Colorless to light yellow liqui
Melting point  -114 °C
alpha  13 º (neat)
Boiling point  99-100 °C (lit.)
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.)
Fp  80 °F
storage temp.  Flammables area
form  Liquid
pka 15.31±0.20(Predicted)
color  Clear colorless
Odor at 1.00 % in dipropylene glycol. oily wine
Stability: Stable. Incompatible with acids, acid chlorides, acid anhydrides, oxidizing agents, halogens.
explosive limit 9.8%
Odor Type oily
Optical Rotation [α]20/D +13°, neat
Water Solubility  125 g/L (20 ºC)
Merck  14,1541
BRN  1718763
InChI 1S/C4H10O/c1-3-4(2)5/h4-5H,3H2,1-2H3/t4-/m0/s1
InChIKey BTANRVKWQNVYAZ-BYPYZUCNSA-N
SMILES CC[C@H](C)O
LogP 0.691 (est)
CAS DataBase Reference 4221-99-2(CAS DataBase Reference)
NIST Chemistry Reference 2-Butanol, (S)-(+)-(4221-99-2)
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Safety Data

Symbol(GHS)  Flame (GHS02)Exclamation Mark (GHS07)
GHS02,GHS07
Signal word  Warning
Hazard statements  H226-H319-H335-H336
Precautionary statements  P210-P233-P240-P241-P242-P305+P351+P338
Hazard Codes  Xi
Risk Statements 
R10:Flammable.
R36/37:Irritating to eyes and respiratory system .
R67:Vapors may cause drowsiness and dizziness.
Safety Statements 
S9:Keep container in a well-ventilated place .
S13:Keep away from food, drink and animal feeding stuffs .
S24:Avoid contact with skin .
S25:Avoid contact with eyes .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S46:If swallowed, seek medical advice immediately and show this container or label .
S7/9:Keep container tightly closed and in a well-ventilated place .
S24/25:Avoid contact with skin and eyes .
OEB A
OEL TWA: 100.0 ppm; 305.0 mg/m3, STEL: 150.0 ppm; 455.0 mg/m3
RIDADR  UN 1120 3/PG 3
WGK Germany  1
RTECS  EO1750000
Autoignition Temperature 761 °F
Hazard Note  Irritant
HazardClass  3
PackingGroup  III
HS Code  29051490
Storage Class 3 - Flammable liquids
Hazard Classifications Eye Irrit. 2
Flam. Liq. 3
STOT SE 3

Hazard Information

Material Safety Data Sheet(MSDS)

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