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Substance Name: Methylene bis(4-cyclohexylisocyanate)
RN: 5124-30-1
UNII: 4CT385M7K2
InChIKey: KORSJDCBLAPZEQ-UHFFFAOYSA-N

Note

  • Used in manufacture of polyurethane foam.

Molecular Formula

  • C15-H22-N2-O2

Molecular Weight

  • 262.3508
 

Classification Codes

Classification Code

  • Skin / Eye Irritant

Superlist Classification Code

  • TWA (0.005 ppm)
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Names and Synonyms

Name of Substance

  • Methylene bis(4-cyclohexylisocyanate)

Synonyms

  • 1,1-Methylene bis(4-isocyanatocyclohexane)
  • 4,4'-Diisocyanatodicyclohexylmethane
  • Bis(4-isocyanatocyclohexyl)methane
  • BRN 2217800
  • CP 99173
  • Dicyclohexylmethane-4,4'-diisocyanate
  • EC 225-863-2
  • EINECS 225-863-2
  • HSDB 7189
  • Hydrogenated MDI
  • Hylene W
  • Isocyanic acid, methylenedi-4,1-cyclohexylene ester
  • Methylene bis-(4-cyclohexylisocyanate)
  • Nacconate H 12
  • UNII-4CT385M7K2

Systematic Names

  • 4,4'-Methylenedicyclohexyl diisocyanate
  • Cyclohexane, 1,1'-methylenebis(4-isocyanato-
  • Isocyanic acid, methylenedi-4,1-cyclohexylene ester

Superlist Names

  • 1,1-Methylenebis(4-isocyanatocyclohexane)
  • 1,1-Methylenebis(4-isocyanatocyclohexane) [Diisocyanates]
  • Cyclohexane, 1,1'-methylenebis(4-isocyanato-
  • Dicyclohexylmethane 4,4'-diisocyanate
  • Isocyanic acid, methylenedi-4,1-cyclohexylene ester
  • Methylenebis(4-cyclohexylisocyanate)

Registry Numbers

CAS Registry Number

  • 5124-30-1

FDA UNII

  • 4CT385M7K2

Other Registry Numbers

  • 103072-21-5
  • 107314-16-9
  • 1081805-58-4
  • 123773-48-8
  • 190601-97-9
  • 201536-77-8
  • 218459-95-1
  • 280144-17-4
  • 68966-63-2
  • 73156-15-7
  • 88504-76-1

System Generated Number

  • 0005124301

Structure Descriptors

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

InChIKey

KORSJDCBLAPZEQ-UHFFFAOYSA-N

Smiles

C1CC(CCC1CC2CCC(CC2)N=C=O)N=C=O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LC50 inhalation 51mg/m3/1H (51mg/m3) LUNGS, THORAX, OR RESPIRATION: CYANOSIS

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES
National Technical Information Service. Vol. OTS0534736,
rabbit LD skin > 10gm/kg (10000mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: MUSCLE WEAKNESS

BEHAVIORAL: FOOD INTAKE (ANIMAL)
National Technical Information Service. Vol. OTS0555173,
rat LCLo inhalation 20ppm/5H (20ppm)   "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986Vol. 6, Pg. 998, 1991.
rat LD50 oral 9900mg/kg (9900mg/kg) BEHAVIORAL: FOOD INTAKE (ANIMAL)

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

LIVER: OTHER CHANGES
National Technical Information Service. Vol. OTS000555173,