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Merck
CN

388386

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
NACRES:
NA.23
PubChem Substance ID:
24864223
UNSPSC Code:
12162002
EC Number:
225-863-2
MDL number:
MFCD00015405

Key Documents

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Product Name

4,4′-Methylenebis(cyclohexyl isocyanate), mixture of isomers, 90%

InChI key

KORSJDCBLAPZEQ-UHFFFAOYSA-N

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

SMILES string

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

assay

90%

form

liquid

refractive index

n20/D 1.497 (lit.)

mp

26 °C (lit.)

density

1.066 g/mL at 25 °C (lit.)

Quality Level

200

Related Categories

Application

HMDI forms NCO linkages which can be used in the synthesis of polyurethanes for a variety of biomedical applications.

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.

pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

signalword

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

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

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ4997
MKCT5764
MKCS9277
MKCS7690
MKCN5062

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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)
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