MilliporeSigma
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317624

Sigma-Aldrich

Isophorone diisocyanate

98%, mixture of isomers

Synonym(s):
5-Isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane
Linear Formula:
OCNC6H7(CH3)3CH2NCO
Molecular Weight:
222.28
Beilstein:
2726467
EC Number:
MDL number:
PubChem Substance ID:

Quality Level

Assay

98%

form

liquid

refractive index

n20/D 1.484 (lit.)

bp

158-159 °C/15 mmHg (lit.)

density

1.049 g/mL at 25 °C (lit.)

SMILES string

CC1(C)CC(CC(C)(CN=C=O)C1)N=C=O

InChI

1S/C12H18N2O2/c1-11(2)4-10(14-9-16)5-12(3,6-11)7-13-8-15/h10H,4-7H2,1-3H3

InChI key

NIMLQBUJDJZYEJ-UHFFFAOYSA-N

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This Item
CDS019959PH015602PH014891
assay

98%

assay

-

assay

-

assay

-

form

liquid

form

solid

form

solid

form

solid

refractive index

n20/D 1.484 (lit.)

refractive index

-

refractive index

-

refractive index

-

bp

158-159 °C/15 mmHg (lit.)

bp

-

bp

-

bp

-

density

1.049 g/mL at 25 °C (lit.)

density

-

density

-

density

-

Quality Level

200

Quality Level

-

Quality Level

-

Quality Level

-

General description

Isophorone diisocyanate (IPDI) is an aliphatic diisocyanate that is majorly used as a curing agent by forming −NCO linkages. It is mainly utilized in the preparation of polyurethane based films and foams for a variety of high performance coating applications. It provides UV resistant films due to the presence of the aliphatic ring.

Application

Isophorone diisocyanate can be used:
  • As a healing agent in the preparation of polyurethane microcapsules by interfacial polymerization.
  • As a monomer in the synthesis of highly monodispersed polyurea microspheres via precipitation polymerization.
  • As a starting material in the synthesis of bridged silsesquioxane(BSQ) by sol-gel polycondensation with 3-aminopropyltriethoxysilane. The polymer of BSQ can be used to prepare the moisture-resistant film for UV filters.

Signal Word

Danger

Hazard Classifications

Acute Tox. 1 Inhalation - Aquatic Chronic 2 - Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 2

Flash Point(F)

325.4 °F - closed cup

Flash Point(C)

163 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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