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Acetone Structure

Acetone

Chemical Properties

Melting point -94 °C(lit.)
Boiling point 56 °C760 mm Hg(lit.)
Density  0.791 g/mL at 25 °C(lit.)
vapor density  2 (vs air)
vapor pressure  184 mm Hg ( 20 °C)
refractive index  n20/D 1.359(lit.)
FEMA  3326 | ACETONE
Flash point 1 °F
storage temp.  Store at +5°C to +30°C.
solubility  Miscible with water and with ethanol (96 per cent).
pka 19.3(at 25℃)
form  Liquid
Specific Gravity 0.79 (25/25℃)
color  Colorless, invisible vapor
Odor Characteristic pungent odor detectable at 33 to 700 ppm (mean = 130 ppm)
Relative polarity 0.355
PH 5-6 (395g/l, H2O, 20°C)
explosive limit 2.6-12.8%(V)
Odor Threshold 42ppm
Water Solubility  soluble
Merck  14,66
JECFA Number 139
BRN  63580
Henry's Law Constant 2.27 at 14.9 °C, 3.03 at 25 °C, 7.69 at 35.1 °C, 11.76 at 44.9 °C (Betterton, 1991)
Exposure limits TLV-TWA 1780 mg/m3 (750 ppm), STEL 2375 mg/m3 (ACGIH); 10 h–TWA 590 mg/m3 (250 ppm); IDLH 20,000 ppm (NIOSH).
CAS DataBase Reference 67-64-1(CAS DataBase Reference)
NIST Chemistry Reference Acetone(67-64-1)
EPA Substance Registry System Acetone (67-64-1)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H225-H319-H336
Precautionary statements P210-P233-P240-P241-P242-P305+P351+P338
Hazard Codes  F,Xi,T
Risk Statements  11-36-66-67-39/23/24/25-23/24/25
Safety Statements  9-16-26-45-36/37-7
RIDADR  UN 1090 3/PG 2
WGK Germany  3
RTECS  AL3150000
3-10
Autoignition Temperature 465 °C
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29141100
Hazardous Substances Data 67-64-1(Hazardous Substances Data)
Toxicity LD50 in rats: 10.7 ml/kg orally (Smyth)
IDLA 2,500 ppm
NFPA 704:
3
1 0

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