25369-78-2

25369-78-2 - Names and Identifiers

Name	5-Chloro-2-mercaptobenzimidazole
Synonyms	AKOS BBS-00000469 5-CHLOROBENZIMIDAZOLE-2-THIOL 5-CHLORO-2-BENZIMIDAZOLETHIOL 5-Chlorobenzimidazole-2-thiol 5-chloro-2-benzimidazolinethion 5-Chloro-2-mercaptobenzimidazole 5-CHLORO-2-MERCAPTOBENZIMIDAZOLE 6-CHLORO-1H-BENZIMIDAZOLE-2-THIOL 6-chloro-1H-benzimidazole-2-thiol 5-chloro-2(3)-benzimidazolethione 6-CHLORO-1H-BENZO[D]IMIDAZOLE-2-THIOL
CAS	25369-78-2
EINECS	246-903-5
InChI	InChI=1/C7H5ClN2S/c8-4-1-2-5-6(3-4)10-7(11)9-5/h1-3H,(H2,9,10,11)

25369-78-2 - Physico-chemical Properties

Molecular Formula	C7H5ClN2S
Molar Mass	184.65
Density	1.4750 (rough estimate)
Melting Point	290-292 °C
Boling Point	300.7±44.0 °C(Predicted)
Flash Point	135.6°C
Vapor Presure	0.0011mmHg at 25°C
pKa	9.71±0.30(Predicted)
Storage Condition	Room Temprature
Sensitive	Air Sensitive
Refractive Index	1.6100 (estimate)
MDL	MFCD01658762

25369-78-2 - Risk and Safety

Risk Codes	R25 - Toxic if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. R36 - Irritating to the eyes
Safety Description	S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S28A - S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
UN IDs	UN2811
RTECS	DE1605000
HS Code	29339980
Hazard Class	6.1
Packing Group	III

25369-78-2 - Introduction

It is an organic compound with the chemical formula C7H5ClN2S. The following is its nature, use, preparation and safety information:

1. nature:
-Appearance: Colorless crystalline solid.
-Solubility: Soluble in acid, alkali and organic solvents, insoluble in water.
-Melting point: about 190-192°C.
-Molecular weight: about 188.64g/mol.

2. use:
-is often used as an intermediate in organic synthesis.
-It can also be used as an antioxidant to protect rubber and rubber products from thermal oxidation.
-In the rubber industry, it is widely used as an anti-aging agent and anti-cracking agent for vulcanized rubber.

3. Preparation method:
It can be prepared by sulfurizing 5-chloro -2-nitrobenzene as starting material, through reduction, acetic acid esterification, oxidation and other reaction steps.

4. Safety Information: Dust and steam may cause irritation and damage to the eyes, skin and respiratory system.
-Wear appropriate personal protective equipment such as glasses, gloves and respiratory protection when in use.
-Avoid inhaling dust or vapors, and avoid contact with skin and eyes.
-For accidental contact or inhalation, immediately flush the affected area with plenty of water and seek medical help.

Last Update：2024-04-10 22:29:15