5-Chloro-2-mercaptobenzothiazole

5-Chloro-2-mercaptobenzothiazole - Names and Identifiers

Name	5-Chloro-2-mercaptobenzothiazole
Synonyms	5-Chloro-2-benzothiazolethiol 5-Chloro-2-mercaptobenzthiazol 5-Chloro-2-mercaptobenzothiazine 5-Chloro-2-mercaptobenzothiazole 2-mercapto-5-chloro benzothiazole 5-Chloro-2(3H)-benzothiazolethione Benzothiazole, 5-chloro-2-mercapto 5-Chloro-2-benzothiazolethiol, CMBT 2(3H)-Benzothiazolethione, 5-chloro- 5-Chloro-3H-1,3-benzothiazole-2-thione 5-chloro-1,3-benzothiazole-2(3H)-thione 2(3H)-Benzothiazolethione,4-chloro-(9CI)
CAS	5331-91-9
EINECS	226-235-0
InChI	InChI=1/C7H4ClNS2/c8-4-1-2-6-5(3-4)9-7(10)11-6/h1-3H,(H,9,10)

5-Chloro-2-mercaptobenzothiazole - Physico-chemical Properties

Molecular Formula	C7H4ClNS2
Molar Mass	201.7
Density	1.4472 (rough estimate)
Melting Point	198-200°C(lit.)
Boling Point	333.2±44.0 °C(Predicted)
Flash Point	155.3°C
Vapor Presure	0.000138mmHg at 25°C
Appearance	Bright yellow powder
Color	White to Yellow to Green
pKa	8.88±0.20(Predicted)
Storage Condition	2-8°C
Refractive Index	1.6000 (estimate)
MDL	MFCD00005783
Physical and Chemical Properties	White to light yellow crystals

5-Chloro-2-mercaptobenzothiazole - Risk and Safety

Hazard Symbols	Xi - Irritant
Risk Codes	R36/37/38 - Irritating to eyes, respiratory system and skin. R37/38 - Irritating to respiratory system and skin. R36 - Irritating to the eyes
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37 - Wear suitable gloves. S36 - Wear suitable protective clothing. S24/25 - Avoid contact with skin and eyes.
WGK Germany	3
RTECS	DL6490000
HS Code	29342000

5-Chloro-2-mercaptobenzothiazole - Introduction

It is an organic compound with the chemical formula C7H4ClNS. It is a solid, usually yellow crystalline or powdered. The following is a description of the properties, uses, preparation and safety information of the compound:

Nature:
-Appearance: Yellow crystal or powder
-Melting point: about 145-150 ℃
-Boiling point: about 346 ℃
-Solubility: Soluble in organic solvents such as alcohols, ethers and ketones, slightly soluble in water.

Use:
-is widely used in the chemical industry, mainly as a rubber adjuvant and preservative.
-In the rubber industry, it can improve the hardness, strength and wear resistance of rubber.
-In the metal processing and coating industries, it can play a role in rust and corrosion prevention.

Preparation Method:
-A common preparation method is to react m-phenylenediamine with chlorine under alkaline conditions to obtain 5-chloro-2-anilino-benzene-1, 3-distil, and then react with sulfur under acidic conditions. React to generate a pill.

Safety Information:
-It has a certain degree of irritation and may cause irritation after contact with skin and eyes.
-During use, appropriate protective measures should be taken, including wearing protective gloves and goggles.
-This compound is harmful to the environment and cannot be discharged into water sources and soil at will.

Last Update：2024-04-10 22:29:15