1,1'-Methylenebis(4-isocyanato-3-methylbenzene)
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
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
Precursor & DownStream
Precursor
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%