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108-77-0

Cyanuric chloride

CAS: 108-77-0

Molecular Formula: C3Cl3N3

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108-77-0 - Names and Identifiers

Name Cyanuric chloride
Synonyms TCT
Cyanuric chL
Cyanuricchloride
Cyanuric chloride
Trichloro-s-triazine
Trichloro-1,3,5-triazine
syn-trichlotriazin(czech)
,3,5-Trichloro-2,4,6-triazine
1,3,5-trichloro-2,4,6-triazine
2,4,6-Trichloro-1,3,5-triazine
1,3,5-Triazine,2,4,6-trichloro-
1,3,5-Triazine, 2,4,6-trichloro-
2,4,6-trichloro-1,2-dihydro-1,2,3-triazine
CAS 108-77-0
EINECS 203-614-9
InChI InChI=1/C3H2Cl3N3/c4-2-1-3(5)8-9(6)7-2/h1,7H

108-77-0 - Physico-chemical Properties

Molecular FormulaC3Cl3N3
Molar Mass184.41
Density1.92
Melting Point145-147°C(lit.)
Boling Point190°C(lit.)
Flash Point190°C
Water Solubilityreacts
Vapor Presure0.8 mm Hg ( 62.2 °C)
Vapor Density6.36 (vs air)
AppearanceSolidified Mass or Fragments
ColorWhite
Odorpungent odor
Merck14,2699
BRN124246
pKa-3.26±0.10(Predicted)
Storage ConditionStore below +30°C.
StabilityStable. Incompatible with strong oxidizing agents, water.
SensitiveMoisture Sensitive
Refractive Index1.676
Physical and Chemical PropertiesA crystal with a pungent odor.
melting point 145 ℃
boiling point 194 ℃
relative density 1.32
soluble in chloroform, carbon tetrachloride, ethanol, hot ether, acetone, dioxane, slightly soluble in water.
UseFor the synthesis of fluorescent brighteners, reactive dyes, pharmaceuticals, pesticides, etc

108-77-0 - Risk and Safety

Risk CodesR14 - Reacts violently with water
R22 - Harmful if swallowed
R26 - Very Toxic by inhalation
R34 - Causes burns
R43 - May cause sensitization by skin contact
Safety DescriptionS26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S28 - After contact with skin, wash immediately with plenty of soap-suds.
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 the label whenever possible.)
S46 - If swallowed, seek medical advice immediately and show this container or label.
S63 -
S28A -
UN IDsUN 2670 8/PG 2
WGK Germany1
RTECSXZ1400000
TSCAYes
HS Code29336980
Hazard Class8
Packing GroupII
ToxicityLD50 orally in Rabbit: 315 mg/kg LD50 dermal Rabbit > 2000 mg/kg

108-77-0 - Upstream Downstream Industry

Raw MaterialsChlorine
Sodium cyanide
Downstream ProductsCyromazine
Prometryne
simazine
Simetryn
atrazine
terbuthylazine
ametryn

108-77-0 - Nature

Open Data Verified Data

crystals with a spicy smell. Soluble in chloroform, carbon tetrachloride, ethanol, hot ether, acetone, dioxane, slightly soluble in water. The relative density was 1.32. Melting point 145 °c. Boiling Point (101. 858kPa) 194 deg C.

Last Update：2024-01-02 23:10:35

108-77-0 - Preparation Method

Open Data Verified Data
  • hydrogen cyanide method with hydrogen cyanide as raw material, by chlorination of cyanogen chloride intermediate, and then obtained by catalytic polymerization. This is a two-step method, which develops rapidly in foreign countries. At present, developed countries in the world use this method. This method has three kinds of liquid phase method, pressure method and atmospheric pressure gas phase method in the process.
  • sodium cyanide method with sodium cyanide and chlorine as raw materials, synthesis of cyanogen chloride, and then by gas phase catalytic polymerization of cyanogen chloride. This is the method used in China.
Last Update：2022-01-01 10:53:55

108-77-0 - Use

Open Data Verified Data

This dye industry is used to produce reactive dyes, direct dyes, metal complex dyes, acid dyes and vat dyes or disperse dyes. The pesticide industry is used for the production of herbicides (such as simazine, atrazine, ectasia, chlorphenamine, etc.), fungicides [2,4,6 triimidazole-based triazine, 2-(o-chloroaniline-based)-4,6-= chloro-s-triazine, etc.] and the triazine pesticide insecticides, the varieties of which are 2,4, 6-ethyleneimine S-triazine and 2,4,6 One, three one or two methylamine group are three, etc. The pharmaceutical industry is used for the synthesis of central nervous system inhibitory drugs and blood pressure lowering drugs such as hydrazino-s-triazine, thiamide-s-triazine, etc. Chemical additives are industrially used in the production of fluorescent brighteners, rubber stabilizers and vulcanization accelerators, Ultraviolet stabilizers, antioxidants, lubricants and additives, as well as textile aids such as cellulose dehydrating agents, precipitation fabrics and rubber paper treatment.

Last Update：2022-01-01 10:53:54

108-77-0 - Safety

Open Data Verified Data
  • toxic, is a strong lacrimal agent. It has a strong stimulating effect on the mucous membrane of the nose and eyes, and is easy to produce erythema when contacting the membrane. Rats were fed with LD50 485mg/kg, mice were fed with LD50 350mg/kg. The maximum allowable concentration in air is 0.1 mg/m3. Attention should be paid to the tightness of the equipment in the production process to prevent leakage. Good ventilation should be maintained at the operation site, and the operator should wear protective equipment.
  • It is packed in an iron drum lined with plastic bags. 40kg per barrel. Should be stored in a cool, ventilated, dry place. Protection against heat, moisture and sun. Avoid common storage and transportation with amines and alkalis. This product is flammable, and there is a risk of fire in case of open flame and high temperature. The shelf life of the product is generally six months. According to the provisions of toxic substances storage and transportation.
Last Update：2022-01-01 10:53:55

108-77-0 - Reference Information

LogP1.73-2.14 at 25℃
NIST chemical information Information provided by: webbook.nist.gov (external link)
EPA chemical information Information provided by: ofmpub.epa.gov (external link)
overview cyanuric chloride, also known as cyanuric chloride, is a white crystal with a strong irritating chlorine smell, corrosive to skin, irritating to eyes and tear gas. Melting point 145 ℃, boiling point 190 ℃,UVλmax241nm (ethanol). Soluble in anhydrous ethanol, ether, chloroform, acetic acid and acrylonitrile, hardly soluble in cold water. Cyanuric chloride cools slowly with water, and hydrolyzes to cyanuric acid (C3H3O3N3) and hydrochloric acid quickly when heated. The products are relatively soluble in water, so they can be separated by extraction. Part of the reaction with concentrated nitric acid and concentrated sulfuric acid at room temperature is converted into cyanuric acid, and the triester of n-cyanuric acid is obtained by the reaction with sodium alcohol, and it can also work with ammonia, amines, phenols, etc.
Preparation method: It is obtained by the reaction of anhydrous hydrocyanic acid and dry chlorine in sunlight (or in anhydrous ether), or by heating cyanuric acid and excess phosphorus pentachloride.
Uses: Cyanuric chloride is an important intermediate for the production of high-efficiency and low-toxicity triazobenzene herbicides and insecticides. It is also an intermediate for the production of reactive dyes. It can be used as synthetic resins, rubber, polymer anti-aging agents, Cyanaldehyde resin, photographic sensitizers, fluorescent brighteners, adhesives, and raw materials for various medicinal drugs.
in recent years, the consumption of cyanuric chloride in China has increased rapidly. the average annual growth rate of apparent consumption from 1998 to 2004 is about 32.2%, and the demand for cyanuric chloride will reach 50,000 tons in 2005. it is predicted that cyanuric chloride will maintain rapid growth at an average annual growth rate of 6.0% from 2007 to 2012, and the market prospect is very promising. Due to the large number of follow-up products of cyanuric chloride and the large market demand, relevant enterprises and research institutions in various countries have been continuously developing their downstream products and developing the application field of cyanuric chloride. Therefore, new products derived from cyanuric chloride continue to emerge, and their market demand will further expand.
Related chemical reactions involving cyanuric chloride:
It is diazotized by 2-amino-4-nitrophenol, coupled with H acid, and after chromium and cobalt complexation treatment, it is first condensed with cyanuric chloride, and then condensed with ammonia to obtain active black K-BR. Mainly used for printing cotton cloth, polyester/cotton cloth.
Using cyanuric chloride as raw material, in trichloroethylene solution, at 20~30 ℃, it reacts with ethylamine to generate 2, 4-dichloro-6-ethylamino-1, 3, 5-triazine, then reacts with ammonia to generate 2-amino-4-chloro-6-ethylaminotriazine, and then reacts with 2-chloro-2-methylpropiononitrile, it can generate selective herbicide grass net, which is used to control annual or perennial narrow-leaf or broad-leaf weeds in corn fields.
use used to synthesize fluorescent whitening agents, reactive dyes, medicines, pesticides, etc.
cyanuric chloride is an important intermediate for the production of high-efficiency and low-toxicity homotriazobenzene herbicides and pesticides, and is also an intermediate for the production of reactive dyes for dyeing various synthetic fibers such as fluorescent whitening agents and polyester. It is also used in the production of synthetic resins, rubber, polymer anti-aging agents, explosives, fabric anti-shrinkage agents, surfactants, etc.
Cyanuric chloride is an important fine chemical product with a wide range of uses. It is an intermediate in the pesticide industry and a raw material for the manufacture of reactive dyes. It can be used as various additives for organic industrial production, such as fluorescent whitening Agents, textile anti-condensation agents, surfactants, etc., are one of the raw materials used in the manufacture of explosives for rubber accelerators and national defense, and are also the raw materials used in the pharmaceutical and pesticide industry for synthetic drugs.
Production method The production of cyanuric chloride usually consists of two processes: cyanuric chloride preparation and cyanuric chloride polymerization. There are many ways to generate cyanogen, such as the synthesis of methyl thiocyanate and chlorine, the synthesis of hydrocyanic acid dissolved in chloroform and introduced into chlorine gas, the hydrocyanic acid method, the sodium cyanide method, the urea method, the direct chlorocyanide method of hydrocyanic acid and chlorine gas, etc. At present, the industrial production of cyanuric acid generally uses sodium cyanide and hydrocyanic acid as raw materials. 1. Sodium cyanide method uses sodium cyanide as raw material to react with chlorine to generate cyanogen chloride, which is repolymerized to generate cyanogen chloride and crystallized to obtain the product. Raw material consumption quota: sodium cyanide 1073kg/t, chlorine 1700kg/t. 2. Hydrocyanic acid method uses hydrocyanic acid as raw material to react with chlorine to generate cyanogen chloride, which is repolymerized to generate cyanuric chloride, and the product is prepared by quenching and crystallization. Raw material consumption quota: hydrocyanic acid 500kg/t, chlorine 1200kg/t.
category corroded articles
toxicity classification poisoning
acute toxicity oral-rat LD50: 485 mg/kg; Oral-mouse LD50: 350 mg/kg
stimulation data skin-rabbit 500 mg/24 hours moderate; Eye-rabbit 0.05 mg/24 hours severe
flammability hazard characteristics toxic hydrogen chloride gas is released when exposed to water; decomposition of toxic hydrogen chloride gas when exposed to heat
storage and transportation characteristics warehouse ventilation and low temperature drying; Separate storage with oxidant and alkali
fire extinguishing agent carbon dioxide, dry powder, sand
spontaneous combustion temperature >650°C
toxic substance data information provided by: pubchem.ncbi.nlm.nih.gov (external link)
Last Update：2024-04-09 19:05:09
108-77-0
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Nantong Reform Petro-Chemical CO., LTD.
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Product Name: Cyanuric chloride Request for quotation
CAS: 108-77-0
Tel: +86-17551318830
Email: r@reformchem.com­
Mobile: +86-17551318830
QQ: 3785839865 Click to send a QQ messageSend QQ message
Jiangsu Pules Biotechnology Co.,Ltd.
Product Name: Cyanuric chloride Request for quotation
CAS: 108-77-0
Tel: 17505222756
Email: pules.cn@gmail.com
Mobile: +86-17551318830
Wechat: 17505222756
Anhui Royal Chemical Co.,Ltd.
Product Name: Cyanuric chloride Request for quotation
CAS: 108-77-0
Tel: +86 02586655873
Email: marketing@royal-chem.com
Mobile: 02586655873
QQ: 756132483 Click to send a QQ messageSend QQ message
Hubei YoungXin Pharmaceutical Tech Co.,Ltd.
Product Name: Nemonoxacin Impurity 18 Request for quotation
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Tel: 0714-3999186
Email: 2853786052@qq.com
Mobile: 86+15671228036
QQ: 2853786052 Click to send a QQ message
Wechat: 15671228036
Hefei TNJ Chemical Industry Co.,Ltd.
Product Name: Cyanuric chloride Request for quotation
CAS: 108-77-0
Tel: 0086-551-65418684
Email: sales@tnjchem.com
　　　　 info@tnjchem.com
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108-77-0
Raw Materials for 108-77-0
Chlorine
Sodium cyanide
Downstream Products for 108-77-0
simazine
Simetryn
atrazine
terbuthylazine
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