Basic information Safety Supplier Related

3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE

Basic information Safety Supplier Related

3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE Basic information

Product Name:
3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE
Synonyms:
  • 3,3’-dimethoxy-4,4’-biphenyleneisocyanicacidester
  • 3,3’-dimethoxy-4,4’-biphenylylenediisocyanate
  • 3,3’-dimethoxy-4,4’-biphenylyleneisocyanate
  • 3,3’-dimethoxy-4,4’-biphenylyleneisocyanicacidester
  • 3,3’-dimethoxy-4,4’-diphenylyleneisocyanate
  • 3,3’-dimethoxy-4,4’-diphenylylisocyanate
  • 4,4’-diisocyanato-3,3’-dimethoxy-1,1’-biphenyl
  • 4,4’-diisocyanato-3,3’-dimethoxy-1’-biphenyl
CAS:
91-93-0
MF:
C16H12N2O4
MW:
296.28
Product Categories:
  • Isocyanates
  • Nitrogen Compounds
  • Organic Building Blocks
Mol File:
91-93-0.mol
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3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE Chemical Properties

Melting point:
112-116 °C(lit.)
Boiling point:
437.88°C (rough estimate)
Density 
1.2288 (rough estimate)
refractive index 
1.5800 (estimate)
Flash point:
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)
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Safety Information

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

MSDS

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3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE Usage And Synthesis

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.

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.

3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATESupplier

Energy Chemical
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021-58432009
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sales8178@energy-chemical.com
Tianjin heowns Biochemical Technology Co., Ltd.
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400 638 7771
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sales@heowns.com
Finetech Industry Limited
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027-87465837-
Email
sales@finetechnology-ind.com;