1,1'-Methylenebis(4-isocyanato-3-methylbenzene)

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Names

[ CAS No. ]:
139-25-3

[ Name ]:
1,1'-Methylenebis(4-isocyanato-3-methylbenzene)

[Synonym ]:
Benzene, 1,1'-methylenebis[4-isocyanato-3-methyl-
Isocyanic acid,ester with di-o-toluenemethane
Bis(4-isocyanato-3-methylphenyl)methane
4,4'-Diisocyanato-3,3'-dimethyldiphenylmethane
1,1'-Methylenebis(4-isocyanato-3-methylbenzene)
Nacconate 310
MFCD00019910
3,3'-dimethyl-4,4'-diisocyanatodiphenylmethane
3,3'-dimethyldiphenylmethane-4,4'-diisocyanate

Chemical & Physical Properties

[ Density]:
1.1±0.1 g/cm3

[ Boiling Point ]:
410.4±45.0 °C at 760 mmHg

[ Molecular Formula ]:
C17H14N2O2

[ Molecular Weight ]:
278.305

[ Flash Point ]:
169.5±34.1 °C

[ Exact Mass ]:
278.105530

[ PSA ]:
58.86000

[ LogP ]:
5.86

[ Vapour Pressure ]:
0.0±1.0 mmHg at 25°C

[ Index of Refraction ]:
1.576

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
NQ8820000
CHEMICAL NAME :
Isocyanic acid, ester with di-o-toluenemethane
CAS REGISTRY NUMBER :
139-25-3
BEILSTEIN REFERENCE NO. :
2150383
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C17-H14-N2-O2
MOLECULAR WEIGHT :
278.33
WISWESSER LINE NOTATION :
OCNR B1 D1R C1 DNCO

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
320 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#00946

Safety Information

[ HS Code ]:
2929109000

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • phosgene
  • 4,4'-Methylene di-o-toluidine

DownStream

Customs

[ HS Code ]: 2929109000

[ Summary ]:
2929109000. other isocyanates. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Related Compounds

  • Bis-(m-chlorophenylpiperazino)-methane
  • [4,4'-Biphenyldiylbis(methylene)]bis(phosphonic acid)
  • Benzene,1-methyl-4-[(4-methylphenyl)methyl]-
  • 2-chloro-1-[4-[2-[4-(2-chloroacetyl)phenyl]ethyl]phenyl]ethanone
  • 1,1'-methylenebis[4,5-dihydroxy-3-(2-hydroxyethyl)-2-imidazolidinone]
  • 1,1'-[Methylenebis(4,1-phenyleneoxy)]bis[3-(ethylamino)-2-propanol]