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3,5-Dichlorophenyl isocyanate

3,5-Dichlorophenyl isocyanate
3,5-Dichlorophenyl isocyanate
Chemical Name:
3,5-Dichlorophenyl isocyanate
3,5-Dichlorophenyl i;3,5-Dichlorophenyl isocyate;3,5-Dichlorophenylisocyantae;3,5-DICHLOROPHENYL ISOCYANATE;3,5-DICHLOROISOCYANATOBENZENE;1-Isocyanato-3,5-dichlorobenzene;1,3-Dichloro-5-isocyanatobenzene;1,3-dichloro-5-isocyanato-benzen;3,5-Dichlorophenyl isocyanate,96%;3,5-Dichlorophenyl isocyanate 96%
Molecular Formula:
Formula Weight:
MOL File:

3,5-Dichlorophenyl isocyanate Properties

Melting point:
32-34 °C(lit.)
Boiling point:
243 °C
1.38 g/mL at 25 °C(lit.)
refractive index 
1.6000 (estimate)
Flash point:
>230 °F
Low Melting Solid
White to slightly yellow
Water Solubility 
Moisture Sensitive
CAS DataBase Reference
34893-92-0(CAS DataBase Reference)
NIST Chemistry Reference
3,5-Dichlorophenyl isocyanate(34893-92-0)
EPA Substance Registry System
Benzene, 1,3-dichloro-5-isocyanato- (34893-92-0)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  T,T+
Risk Statements  23/24/25-36/37/38-42-26
Safety Statements  26-27-36/37/39-45-38-37/39-28A
RIDADR  UN 2250 6.1/PG 2
WGK Germany  3
HazardClass  6.1
PackingGroup  II
HS Code  29291090
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
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:
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P284 Wear respiratory protection.
P311 Call a POISON CENTER or doctor/physician.
P320 Specific treatment is urgent (see … on this label).
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.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P501 Dispose of contents/container to..…

3,5-Dichlorophenyl isocyanate price More Price(4)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 389056 3,5-Dichlorophenyl isocyanate 96% 34893-92-0 5g $66.1 2018-11-13 Buy
TCI Chemical I0302 3,5-Dichlorophenyl Isocyanate >97.0%(GC)(T) 34893-92-0 10g $116 2018-11-22 Buy
Alfa Aesar A19991 3,5-Dichlorophenyl isocyanate, 97% 34893-92-0 25g $239 2018-11-15 Buy
Alfa Aesar A19991 3,5-Dichlorophenyl isocyanate, 97% 34893-92-0 5g $60.2 2018-11-15 Buy

3,5-Dichlorophenyl isocyanate Chemical Properties,Uses,Production

Chemical Properties

white to slightly yellow low melting 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

3,5-Dichlorophenyl isocyanate Preparation Products And Raw materials

Raw materials

Preparation Products

3,5-Dichlorophenyl isocyanate Suppliers

Global( 134)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Shenzhen Sendi Biotechnology Co.Ltd.
0755-23311925 18102838259
0755-23311925 CHINA 3217 55
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32651 55
Hubei Jusheng Technology Co.,Ltd.
86-155-27864001 CHINA 18004 58
career henan chemical co
+86-371-86658258 CHINA 19990 58
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933; China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing) China 40395 62
Alfa Aesar 400-610-6006; 021-67582000
021-67582001/03/05 China 30291 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 / 800-988-0390
021-67121385 China 24648 81
Energy Chemical 021-58432009 / 400-005-6266
021-58436166-800 China 44187 61
Jia Xing Isenchem Co.,Ltd 0573-85280080,18627885956
0573-85285100,QQ:2446116053 China 9781 66

View Lastest Price from 3,5-Dichlorophenyl isocyanate manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-12-18 3,5-Dichlorophenyl isocyanate
US $7.00 / kg 1kg 99% 100KG career henan chemical co

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