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Merck
CN

33490

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
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329754560
EC Number:
225-863-2
Beilstein/REAXYS Number:
2217800
MDL number:
MFCD00015405

Key Documents

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Product Name

HMDI, analytical standard

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

grade

analytical standard

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

Quality Level

100

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Application

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

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.

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
BCCN0186
BCCM1391
BCCL3955
BCCL1543
BCCK8987

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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
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)
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
Nasim Annabi et al.
Biomaterials, 30(27), 4550-4557 (2009-06-09)
In this study the feasibility of using high pressure CO2 to produce porous alpha-elastin hydrogels was investigated. Alpha-elastin was chemically crosslinked with hexamethylene diisocyanate that can react with various functional groups in elastin such as lysine, cysteine, and histidine. High
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