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33490

Supelco

HMDI

analytical standard

Synonym(s):

4,4′-Methylene-bis(cyclohexyl isocyanate), 4,4′-Diisocyanato-methylenedicyclohexane, 4,4′-HMDI, Bis(4-isocyanatocyclohexyl)methane

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About This Item

Linear Formula:
CH2(C6H10NCO)2
CAS Number:
5124-30-1
Molecular Weight:
262.35
Beilstein:
2217800
EC Number:
225-863-2
MDL number:
MFCD00015405
UNSPSC Code:
41116107
PubChem Substance ID:
329754560
NACRES:
NA.24

grade

analytical standard

Quality Level

100

quality

mixture of isomers

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

environmental

format

neat

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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General description

This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food.

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH Annex XVII (Restriction List)

CAS No.

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Certificates of Analysis (COA)

Lot/Batch Number
BCCM1391
BCCL3955
BCCL1543
BCCK8987
BCCJ9402

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Jürgen Pauluhn
Archives of toxicology, 78(5), 243-251 (2004-04-02)
Current testing conventions for inhalation toxicity studies require that solid and non-volatile liquid compounds are converted to respirable aerosol, which is often achieved by laboratory-specific technical methodologies. So far, internationally harmonized approaches are lacking that would allow comparison of results
[Intoxication due to dicyclohexyl-methane-4-4' diisocyanate exposure (author's transl)].
R Israeli et al.
International archives of occupational and environmental health, 48(2), 179-184 (1981-01-01)
Y W Tang et al.
Biomaterials, 24(12), 2003-2011 (2003-03-12)
The current study has investigated the influence of esterase activity (80-400units/ml) on the biodegradation of polycarbonate-urethanes (PCNUs) by cholesterol esterase (CE), with a particular interest in studying the influence of different hard segment structures and their contribution to sensitizing the
Allergic contact dermatitis to new plastic resins.
T E Hoffman
Archives of dermatology, 118(12), 962-962 (1982-12-01)
Contact sensitivity to hylene W.
C M King
Contact dermatitis, 6(5), 353-354 (1980-08-01)
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