Chemical name : 3-Isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate
Alias : 3-Isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate; 5-Isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane; IPDI
IPDI products are mixtures containing 75% cis and 25% trans isomers.
Molecular Formula
C12H18N2O2
Relative Molecular Mass
222.29.CAS
CAS No.
4098-71-9.
EINECS No.
223-861-6
Physical and Chemical Properties
Isophorone Diisocyanate IPDI is colorless or light yellow liquid with camphor-like odor, completely miscible with esters, ketones, ethers, aromatic hydrocarbons and aliphatic hydrocarbons and other organic solvents.
Density
1.056
Melting point
– 60°C
Boiling point
158°C (15 mmHg)
Refractive index
1.484
Flash Point
>110°C
Water Solubility
<0.1 g/100 mL at 25°C
Performance Indicators
The specifications for IPDI products (brand name Desmodur I) are:
Purity
≥99.5 %
Mass fraction of NCO
≥37.5%
Color (Hazen)
≤30
Hydrolyzed chlorine
≤200 mg/kg
Total chlorine
≤400 mg/kg
Viscosity (25℃)
Approx. 10 mPa-s.
Safety data
Hazardous material symbol
T;N
Hazardous category code
r22;r36/37/38;r42/43;r51/53
Safety instructions
s26;s28;s38;s45;s61
Dangerous Goods Transportation Number
UN 2290/2906
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