2-Mercaptobenzimidazole , 98% , 583-39-1

Synonym(s):
1,3-Dihydro-2H-benzimidazole-2-thione;2-Benzimidazolethiol;2-Mercaptobenzimidazole

CAS NO.：583-39-1

Empirical Formula: C7H6N2S

Molecular Weight: 150.2

MDL number: MFCD00466107

EINECS: 209-502-6

PRODUCT Properties

• Melting point: 300-304 °C (lit.)
• Boiling point: 270.6±23.0 °C(Predicted)
• Density: 1.42
• vapor pressure: 0-0.001Pa at 25℃
• refractive index: 1.5500 (estimate)
• Flash point: >250°C
• storage temp.: 2-8°C
• solubility: 0.3g/l
• form: Powder
• pka: 10.24±0.10(Predicted)
• color: White to beige
• Water Solubility: <0.1 g/100 mL at 23.5 ºC
• Merck: 14,1082
• BRN: 119867
• Stability: Stable. Incompatible with strong oxidizing agents.
• InChI: 1S/C7H6N2S/c10-7-8-5-3-1-2-4-6(5)9-7/h1-4H,(H2,8,9,10)
• InChIKey: YHMYGUUIMTVXNW-UHFFFAOYSA-N
• SMILES: S=C1Nc2ccccc2N1
• LogP: 0.88-1.66 at 20-25℃
• CAS DataBase Reference: 583-39-1(CAS DataBase Reference)
• NIST Chemistry Reference: 2-Mercaptobenzimidazole(583-39-1)
• EPA Substance Registry System: 2-Mercaptobenzimidazole (583-39-1)

Description and Uses

An antidegradant, protecting rubber from oxidation. An intermediate in the synthesis of Rabeprazole (R070500)

Safety

• Symbol(GHS): GHS06,GHS08
• Signal word: Danger
• Hazard statements: H301-H317-H373-H412
• Precautionary statements: P260-P273-P280-P301+P310-P302+P352-P314
• PPE: dust mask type N95 (US), Eyeshields, Faceshields, Gloves
• Hazard Codes: Xn
• Risk Statements: 20/21/22-36/37/38-22
• Safety Statements: 26-36-24/25
• RIDADR: UN 2811 6.1/PG 3
• WGK Germany: 2
• RTECS: DE1050000
• Autoignition Temperature: 480 °C
• TSCA: TSCA listed
• HazardClass: 6.1
• PackingGroup: III
• HS Code: 29339910
• Storage Class: 6.1C - Combustible acute toxic Cat.3; toxic compounds or compounds which causing chronic effects
• Hazard Classifications: Acute Tox. 3 Oral; Aquatic Chronic 3; Skin Sens. 1A; STOT RE 2
• Toxicity: LD50 orally in Rabbit: 300 mg/kg
• REACH Registrations: Active