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368849

Sigma-Aldrich

4,4′-Methylenebis(cyclohexylamine)

technical grade, 95%

Synonym(s):

4,4′-Diaminodicyclohexylmethane

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About This Item

Linear Formula:
CH2(C6H10NH2)2
CAS Number:
1761-71-3
Molecular Weight:
210.36
Beilstein/REAXYS Number:
2079179
EC Number:
217-168-8
MDL number:
MFCD00001496
UNSPSC Code:
12162002
PubChem Substance ID:
24862935
NACRES:
NA.23

grade

technical grade

Quality Level

100

vapor pressure

<0.1 mmHg ( 38 °C)

assay

95%

density

0.95 g/mL at 25 °C (lit.)

SMILES string

NC1CCC(CC1)CC2CCC(N)CC2

InChI

1S/C13H26N2/c14-12-5-1-10(2-6-12)9-11-3-7-13(15)8-4-11/h10-13H,1-9,14-15H2

InChI key

DZIHTWJGPDVSGE-UHFFFAOYSA-N

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Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Skin Corr. 1B - Skin Sens. 1 - STOT RE 2 Oral

wgk_germany

WGK 3

flash_point_f

318.2 °F

flash_point_c

159 °C

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Certificates of Analysis (COA)

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G L Kennedy
Journal of applied toxicology : JAT, 11(5), 367-371 (1991-10-11)
1,4-Bis(aminocyclohexyl)methane (PACM; CAS No. 1761-71-3) is a white solid considered for use in polymeric systems. PACM is moderately toxic systemically, with the acute oral lethal dose in rats between 670 and 1000 mg kg-1. PACM is a weak dermal sensitizer
Malin Frick et al.
Contact dermatitis, 48(6), 305-309 (2003-10-09)
From August 1999 to April 2001, there was an outbreak of severe eczema at a factory manufacturing medical equipment. A glue, mainly based on the isocyanate dicyclohexylmethane-4,4'-diisocyanate (DMDI), was suspected as being the cause of the problem. 16 workers with

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