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91-93-0

91-93-0 Structure

91-93-0 Structure
IdentificationBack Directory
[Name]

3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE
[CAS]

91-93-0
[Synonyms]

dadi
nci-c02175
DIANSIDINE DIISOCYANATE
DIANISIDINE DIISOCYANATE
o-Dianisidine diisocyanate
DIMETHOXYBENZIDINEDIISOCYANATE
3,3'-BIANISOLE-4,4'-ISOCYANIC ACID ESTER
4,4'-DIISOCYANATO-3,3'-DIMETHOXYDIPHENYL
3,3’-dimethoxy-4,4’-diphenylylisocyanate
3,3'-DIMETHOXY-4,4'-BIPHENYL DIISOCYANATE
3,3'-DIMETHOXYBENZIDINE-4,4'-DIISOCYANATE
3,3’-dimethoxy-4,4’-diphenylyleneisocyanate
3,3’-dimethoxy-4,4’-biphenylyleneisocyanate
3,3-dimethoxybiphenyl-4,4-diyl diisocyanate
4,4’-diisocyanato-3,3’-dimethoxy-1’-biphenyl
3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE
3,3’-dimethoxy-4,4’-biphenylylenediisocyanate
3,3'-Bismethoxybiphenyl-4,4'-diyldiisocyanate
4,4’-diisocyanato-3,3’-dimethoxy-1,1’-biphenyl
3,3’-dimethoxy-4,4’-biphenyleneisocyanicacidester
isocyanicacid,3,3’-dimethoxy-4,4’-diphenyleneester
isocyanicacid,3,3’-dimethoxy-4,4’-biphenyleneester
3,3’-dimethoxy-4,4’-biphenylyleneisocyanicacidester
isocyanicacid,3,3’-dimethoxy-4,4’-biphenylyleneester
(3,3'-Dimethoxy-1,1'-biphenyl-4,4'-diyl)bisisocyanate
3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISO-CY ANATE, TECH., 85%
1-isocyanato-4-(4-isocyanato-3-methoxyphenyl)-2-methoxybenzene
1-isocyanato-4-(4-isocyanato-3-methoxy-phenyl)-2-methoxy-benzene
[Molecular Formula]

C16H12N2O4
[MDL Number]

MFCD00013847
[MOL File]

91-93-0.mol
[Molecular Weight]

296.28
Chemical PropertiesBack Directory
[Appearance]

grey to brown powder
[Melting point ]

112-116 °C(lit.)
[Boiling point ]

437.88°C (rough estimate)
[density ]

1.2288 (rough estimate)
[refractive index ]

1.5800 (estimate)
[Fp ]

170 °F
[Stability:]

Stable, but air and water sensitive. Incompatible with strong oxidizing agents, strong acids.
[IARC]

3 (Vol. 39, Sup 7) 1987
[EPA Substance Registry System]

3,3'-Dimethoxybenzidine-4,4'-diisocyanate (91-93-0)
Hazard InformationBack Directory
[Chemical Properties]

grey to brown powder
[General Description]

Gray to brown powder or dark beige sandy powder. Melting point 112°C. Insoluble in water. Toxic by inhalation and ingestion. A skin irritant. Used in making plastics.
[Air & Water Reactions]

Insoluble in water.
[Reactivity Profile]

3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE may react with amines, aldehydes, alcohols, alkali metals, ketones, mercaptans, strong oxidizing agents, hydrides, phenols, and peroxides with vigorous releases of heat. May undergo polymerization reactions with acids and bases.
[Fire Hazard]

Flash point data for 3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE are not available; however, 3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE is probably combustible.
[Definition]

ChEBI: 3,3'-Dimethoxybenzidine-4,4'-diisocyanate is a member of biphenyls.
Safety DataBack Directory
[Hazard Codes ]

T
[Risk Statements ]

23/24/25
[Safety Statements ]

26-36-45
[RIDADR ]

UN 2811 6.1/PG 2
[WGK Germany ]

3
[RTECS ]

NQ8800000
[Safety Profile]

Poison by intravenous route. A strong sensitizer. Questionable carcinogen with experimental carcinogenic data. When heated to decomposition it emits toxic fumes of NOx. See also CYANATES.
[Hazardous Substances Data]

91-93-0(Hazardous Substances Data)
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