| Identification | More | [Name]
2,5-DICHLOROPHENYL ISOCYANATE | [CAS]
5392-82-5 | [Synonyms]
2,5-DICHLOROPHENYL CARBIMIDE
2,5-DICHLOROPHENYL ISOCYANATE
ISOCYANIC ACID 2,5-DICHLOROPHENYL ESTER
1,4-dichloro-2-isocyanato-benzen
1,4-Dichloro-2-isocyanatobenzene
1,4-dichloro-2-phenylisocyanate
2,5-Dichlorophenyl | [EINECS(EC#)]
226-396-7 | [Molecular Formula]
C7H3Cl2NO | [MDL Number]
MFCD00002002 | [Molecular Weight]
188.01 | [MOL File]
5392-82-5.mol |
| Chemical Properties | Back Directory | [Appearance]
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 | [Melting point ]
28-30°C | [Boiling point ]
120-122°C 20mm | [density ]
1.3256 (rough estimate) | [refractive index ]
1.5500 (estimate) | [Fp ]
>110°C | [storage temp. ]
0-10°C | [form ]
Liquid or Low Melting Solid | [color ]
Clear to cloudy colorless to yellow or white to yellow | [Sensitive ]
Moisture Sensitive | [BRN ]
388960 | [CAS DataBase Reference]
5392-82-5(CAS DataBase Reference) | [EPA Substance Registry System]
Benzene, 1,4-dichloro-2-isocyanato- (5392-82-5) |
| Safety Data | Back Directory | [Hazard Codes ]
T | [Risk Statements ]
R23/25:Toxic by inhalation and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
R42:May cause sensitization by inhalation.
R42/43:May cause sensitization by inhalation and skin contact .
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed . | [Safety Statements ]
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S22:Do not breathe dust . | [RIDADR ]
2250 | [TSCA ]
Yes | [HazardClass ]
6.1 | [PackingGroup ]
II |
| Hazard Information | Back Directory | [Potential Exposure]
Those materials used as chemical
intermediates | [First aid]
If this chemical gets into the eyes, remove any
contact lenses at once and irrigate immediately for at least
15 minutes, occasionally lifting upper and lower lids. Seek
medical attention immediately. If this chemical contacts the
skin, remove contaminated clothing and wash immediately
with soap and water. Seek medical attention immediately.
If this chemical has been inhaled, remove from exposurebegin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if
heart action has stopped. Transfer promptly to a medical
facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce
vomiting. Do not make an unconscious person vomit. | [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. | [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 | [Waste Disposal]
Combustion in an incinerator
equipped with afterburner and fume scrubber |
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