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1-Butanol Structure

1-Butanol

Product Name1-Butanol

CAS71-36-3

CBNumberCB9113046

MFC4H10O

MW74.12

EINECS200-751-6

MDL NumberMFCD00002964

MOL File71-36-3.mol

MSDS FileSDS

Chemical Properties

Melting point -90 °C (lit.)
Boiling point 116-118 °C (lit.)
Density  0.81 g/mL at 25 °C (lit.)
vapor density  2.55 (vs air)
vapor pressure  6.7 hPa (20 °C)
refractive index  n20/D 1.399(lit.)
FEMA  2178 | BUTYL ALCOHOL
Flash point 95 °F
storage temp.  Store at +5°C to +30°C.
solubility  water: soluble
form  Liquid
pka 15.24±0.10(Predicted)
color  APHA: ≤10
Relative polarity 0.586
PH 7 (70g/l, H2O, 20℃)
Odor Alcohol-like; pungent; strong; characteristic; mildly alcoholic, non residual.
explosive limit 1.4-11.3%(V)
Odor Threshold 0.038ppm
Water Solubility  80 g/L (20 ºC)
Sensitive  Moisture Sensitive
λmax λ: 215 nm Amax: 1.00
λ: 220 nm Amax: 0.50
λ: 240 nm Amax: 0.10
λ: 260 nm Amax: 0.04
λ: 280-400 nm Amax: 0.01
Merck  14,1540
JECFA Number 85
BRN  969148
Henry's Law Constant 49.2 at 50 °C, 92.0 at 60 °C, 152 at 70 °C, 243 at 80 °C (headspace-GC, Hovorka et al., 2002)
Exposure limits TLV-TWA 300 mg/m3 (100 ppm) (NIOSH), 150 mg/m3 (50 ppm) (ACGIH); IDLH 8000 ppm (NIOSH).
Stability Stable. Incompatible with strong acids, strong oxidizing agents, aluminium, acid chlorides, acid anhydrides, copper, copper alloys. Flammable.
CAS DataBase Reference 71-36-3(CAS DataBase Reference)
NIST Chemistry Reference 1-Butanol(71-36-3)
EPA Substance Registry System 1-Butanol (71-36-3)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H226-H302-H315-H318-H335-H336
Precautionary statements P210-P233-P280-P301+P312-P303+P361+P353-P305+P351+P338
Hazard Codes  Xn,T,F
Risk Statements  10-22-37/38-41-67-39/23/24/25-23/24/25-11
Safety Statements  13-26-37/39-46-7/9-45-36/37-16-7
RIDADR  UN 1120 3/PG 3
WGK Germany  1
RTECS  EO1400000
Autoignition Temperature 649 °F
TSCA  Yes
HS Code  2905 13 00
HazardClass  3
PackingGroup  III
Hazardous Substances Data 71-36-3(Hazardous Substances Data)
Toxicity LD50 orally in rats: 4.36 g/kg (Smyth)
IDLA 1,400 ppm
NFPA 704:
3
2 0

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