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2,4-Dichlorophenyl isocyanate

2,4-Dichlorophenyl isocyanate
2,4-Dichlorophenyl isocyanate structure
Chemical Name:
2,4-Dichlorophenyl isocyanate
TIMTEC-BB SBB006720;2,4-Dichlorophenylisocyantae;2,4-DICHLOROPHENYL ISOCYANATE;2,4-DICHLOROISOCYANATOBENZENE;2,4-dichloro-1-phenylisocyanate;1,3-dichloro-4-phenylisocyanate;1,3-dichloro-4-isocyanatobenzene;2,4-Dichlorophenyl isocyanate,99%;2,4-DICHLOROPHENYL ISOCYANATE 99%;Benzene,2,4-dichloro-1-isocyanato-
Molecular Formula:
Formula Weight:
MOL File:

2,4-Dichlorophenyl isocyanate Properties

Melting point:
59-60 °C
Boiling point:
80°C 1mm
1.3256 (rough estimate)
refractive index 
1.5500 (estimate)
Flash point:
storage temp. 
Store at <= 20°C.
Water Solubility 
Moisture Sensitive
CAS DataBase Reference
2612-57-9(CAS DataBase Reference)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
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
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H300 Fatal if swallowed Acute toxicity,oral Category 1, 2 Danger P264, P270, P301+P310, P321, P330,P405, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P311 Call a POISON CENTER or doctor/physician.
P320 Specific treatment is urgent (see … on this label).
P330 Rinse mouth.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

2,4-Dichlorophenyl isocyanate price More Price(7)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 251798 2,4-Dichlorophenyl isocyanate 99% 2612-57-9 5g $40.6 2018-11-13 Buy
Sigma-Aldrich 251798 2,4-Dichlorophenyl isocyanate 99% 2612-57-9 25g $156 2018-11-13 Buy
TCI Chemical I0555 2,4-Dichlorophenyl Isocyanate >98.0%(GC)(T) 2612-57-9 5g $46 2018-11-22 Buy
TCI Chemical I0555 2,4-Dichlorophenyl Isocyanate >98.0%(GC)(T) 2612-57-9 25g $146 2018-11-22 Buy
Alfa Aesar L11089 2,4-Dichlorophenyl isocyanate, 96% 2612-57-9 1g $13.5 2018-11-13 Buy

2,4-Dichlorophenyl isocyanate Chemical Properties,Uses,Production

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

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.


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


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 isocyanate Preparation Products And Raw materials

Raw materials

Preparation Products

2,4-Dichlorophenyl isocyanate Suppliers

Global( 75)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32457 55
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933; China 96815 76
Alfa Aesar 400-610-6006; 021-67582000
021-67582001/03/05 China 30168 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 / 800-988-0390
021-67121385 China 24560 81
Energy Chemical 021-58432009 / 400-005-6266
021-58436166-800 China 44046 61
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202,021-54308259
+86-21-54291107 China 43266 64
Syntechem Co.,Ltd QQ 956912955,421151915
QQ 163623458 China 29877 57
Shanghai Sunway Pharmaceutical Technology Co., Ltd +86 (21) 51613915
+86 (21) 51613951 China 9899 57
Beijing Taiya Jie Technology Development Co., Ltd. 13552411790、010-56275498QQ:1904959239
010-84817120 China 1518 55
Thermo Fisher Scientific 800-810-5118
+86-10-84193589 China 17448 75

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