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2,4-Dichlorophenyl isocyanate

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2,4-Dichlorophenyl isocyanate Basic information

Product Name:
2,4-Dichlorophenyl isocyanate
Synonyms:
  • TIMTEC-BB SBB006720
  • 2,4-Dichlorophenylisocyantae
  • 2,4-DICHLOROPHENYL ISOCYANATE 99%
  • 2,4-Dichlorophenyl isocyanate,99%
  • Benzene,2,4-dichloro-1-isocyanato-
  • 1,3-dichloro-4-isocyanatobenzene
  • 1,3-dichloro-4-phenylisocyanate
  • 2,4-dichloro-1-phenylisocyanate
CAS:
2612-57-9
MF:
C7H3Cl2NO
MW:
188.01
EINECS:
220-040-4
Product Categories:
  • Isocyanates
  • Nitrogen Compounds
  • Organic Building Blocks
Mol File:
2612-57-9.mol
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2,4-Dichlorophenyl isocyanate Chemical Properties

Melting point:
59-60 °C
Boiling point:
80°C 1mm
Density 
1.3256 (rough estimate)
refractive index 
1.5500 (estimate)
Flash point:
80°C/1mm
storage temp. 
Store at <= 20°C.
form 
powder to crystal
color 
White to Light yellow to Light orange
Water Solubility 
decomposes
Sensitive 
Moisture Sensitive
BRN 
2090780
CAS DataBase Reference
2612-57-9(CAS DataBase Reference)
EPA Substance Registry System
Benzene, 2,4-dichloro-1-isocyanato- (2612-57-9)
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Safety Information

Hazard Codes 
T,Xi
Risk Statements 
42-36/37/38-23/24/25-42/43
Safety Statements 
45-38-36/37/39-28A-26-22
RIDADR 
2250
WGK Germany 
3
Hazard Note 
Irritant
HazardClass 
6.1
PackingGroup 
II
HS Code 
29291090

MSDS

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2,4-Dichlorophenyl isocyanate Usage And Synthesis

Chemical Properties

white to beige crystalline solid

Chemical Properties

The dichlorophenyl isocyanates are combustible, crystalline (sugar or sand-like) solids. In general, they are white to yellow in color, but the 1,4-dichloro-2-phenyl isomer is white to light green. Their flash points are generally .113C but that of the 1,3-dichloro-2-phenyl isomer is reported as 77C. These chemicals are insoluble in water, and some may be reactive. 1,2-dichloro-4-isomer (CAS 102-36-3) is the isomer of regulatory focus

Potential Exposure

Those materials used as chemical intermediates

Shipping

UN2250 Dichlorophenyl isocyanates, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.

Incompatibilities

May form explosive mixture with air. Isocyanates are highly flammable and reactive with many compounds, even with themselves. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Reaction with moist air, water or alcohols may form amines and insoluble polyureas and react exothermically, releasing toxic, corrosive or flammable gases, including carbon dioxide; and, at the same time, may generate a violent release of heat increasing theconcentration of fumes in the air. Incompatible with amines, aldehydes, alkali metals, ammonia, carboxylic acids, caprolactum, alkaline materials, glycols, ketones, mercaptans, hydrides, organotin catalysts, phenols, strong acids, strong bases, strong reducing agents such as hydrides, urethanes, and ureas. Elevated temperatures or contact with acids, bases, tertiary amines, and acylchlorides may cause explosive polymerization. Contact with metals may evolve flammable hydrogen gas. Attacks some plastics, rubber, and coatings.

Waste Disposal

Combustion in an incinerator equipped with afterburner and fume scrubber

2,4-Dichlorophenyl isocyanateSupplier

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