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78-59-1

Name Isophorone
CAS 78-59-1
EINECS(EC#) 201-126-0
Molecular Formula C9H14O
MDL Number MFCD00001584
Molecular Weight 138.21
MOL File 78-59-1.mol

Chemical Properties

Appearance light yellow liquid
Melting point  -8 °C (lit.)
Boiling point  213-214 °C (lit.)
density  0.923 g/mL at 25 °C(lit.)
vapor density  4.77 (vs air)
vapor pressure  0.2 mm Hg ( 20 °C)
FEMA  3553
refractive index  n20/D 1.476(lit.)
Fp  184 °F
storage temp.  2-8°C
solubility  14.5g/l
form  Liquid
color  Clear colorless to yellow
Odor Like camphor.
Stability: Stable. Substances to be avoided include strong bases, strong acids and strong oxidizing agents.
explosive limit 0.8-3.8%(V)
Odor Type woody
Water Solubility  Soluble in water (12g/L).
JECFA Number 1112
Merck  14,5196
BRN  1280721
Henry's Law Constant (x 10-6 atm?m3/mol): 5.8 (calculated, U.S. EPA, 1980a)
Exposure limits TLV-TWA 25 mg/m3 (5 ppm); IDLH 800 ppm.
LogP 1.67-1.7 at 20℃
CAS DataBase Reference 78-59-1(CAS DataBase Reference)
NIST Chemistry Reference 2-Cyclohexen-1-one, 3,5,5-trimethyl-(78-59-1)
EPA Substance Registry System 78-59-1(EPA Substance)

Safety Data

Hazard Codes  Xn
Risk Statements 
R21/22:Harmful in contact with skin and if swallowed .
R36/37:Irritating to eyes and respiratory system .
R40:Limited evidence of a carcinogenic effect.
Safety Statements 
S13:Keep away from food, drink and animal feeding stuffs .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S46:If swallowed, seek medical advice immediately and show this container or label .
RIDADR  UN 3082 9 / PGIII
WGK Germany  1
RTECS  GW7700000
Autoignition Temperature 864 °F
TSCA  Yes
HS Code  29142990
Hazardous Substances Data 78-59-1(Hazardous Substances Data)
Toxicity
LD50 in male, female rats and male mice (mg/kg): 2700 ±200, 2100 ±200, 2200 ±200 orally (PB90-180225)
IDLA 200 ppm

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