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Key Documents

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388386

Sigma-Aldrich

4,4′-Methylenebis(cyclohexyl isocyanate), mixture of isomers

90%

Synonym(s):

HMDI, Hydrogenated MDI

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About This Item

Linear Formula:
CH2(C6H10NCO)2
CAS Number:
5124-30-1
Molecular Weight:
262.35
EC Number:
225-863-2
MDL number:
MFCD00015405
UNSPSC Code:
12162002
PubChem Substance ID:
24864223
NACRES:
NA.23
Pricing and availability is not currently available.

Assay

90%

form

liquid

refractive index

n20/D 1.497 (lit.)

mp

26 °C (lit.)

density

1.066 g/mL at 25 °C (lit.)

SMILES string

O=C=NC1CCC(CC1)CC2CCC(CC2)N=C=O

InChI

1S/C15H22N2O2/c18-10-16-14-5-1-12(2-6-14)9-13-3-7-15(8-4-13)17-11-19/h12-15H,1-9H2

InChI key

KORSJDCBLAPZEQ-UHFFFAOYSA-N

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storage temp.

−20°C

storage temp.

−20°C

storage temp.

−70°C

storage temp.

−20°C

relevant disease(s)

cancer; neurological disorders

relevant disease(s)

hematological disorder; cancer

relevant disease(s)

-

relevant disease(s)

-

General description

4,4′-Methylenebis(cyclohexyl isocyanate), mixture of isomers (HMDI) is an aromatic diisocyanate with good mechanical properties. It is light stable and is resistant to hydrolysis. It is majorly used in the synthesis of polyurethane.[1][2]

Application

HMDI forms NCO linkages which can be used in the synthesis of polyurethanes for a variety of biomedical applications.[3][4][5]

Pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - 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 1

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves
  • Specification Sheet

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    Certificates of Analysis (COA)

    Lot/Batch Number
    MKCT5764
    MKCS9277
    MKCS7690
    MKCN5062
    MKCK0868

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    Effect of H 12 MDI isomer composition on mechanical and physico-chemical properties of polyurethanes based on amorphous and semicrystalline soft segments
    Saralegi A, et al.
    Polymer Bull., 70(8), 2193-2210 (2013)
    Biodegradable non-aromatic adhesive polyurethanes based on disaccharides for medical applications
    Ates B, et al.
    International Journal of Adhesion and Adhesives, 49(10), 90-96 (2014)
    Hyperbranched polyurethane (HBPU)-urea and HBPU-imide coatings: effect of chain extender and NCO/OH ratio on their properties
    Mishra AK, et al.
    Progress in Organic Coatings, 74(1), 134-141 (2012)
    Electrospinning of L-tyrosine polyurethanes for potential biomedical applications
    Shah PN, et al.
    Polymer, 50(10), 2281-2289 (2009)
    Effect of different isocyanates on the properties of soy-based polyurethanes
    Javni I, et al.
    Journal of Applied Polymer Science, 88(13), 2912-2916 (2003)
    View All Related Papers

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