2-Mercaptobenzimidazole

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2-Mercaptobenzimidazole

Description Reference

Product Name: 2-Mercaptobenzimidazole
CAS No.: 583-39-1
Chemical Name: 2-Mercaptobenzimidazole
Synonyms: 1H-BENZO[D]IMIDAZOLE-2-THIOL;Mercaptobenzimidazole;Vulkanox;SuMilizer MB;Benzimidazole-2-thiol;2-BENZIMIDAZOLETHIOL;Benzimidazol-2-thiol;2-Mercapto benzanidazole;AOMB;asmmb
CBNumber: CB8490256
Molecular Formula: C7H6N2S
Formula Weight: 150.2
MOL File: 583-39-1.mol

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2-Mercaptobenzimidazole Property

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.
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)

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Safety

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: Yes
HazardClass: 6.1
PackingGroup: III
HS Code: 29339910
Toxicity: LD50 orally in Rabbit: 300 mg/kg

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H301Toxic if swalloed

H317May cause an allergic skin reaction

H373May cause damage to organs through prolonged or repeated exposure

H412Harmful to aquatic life with long lasting effects

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P314Get medical advice/attention if you feel unwell.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: PHR3123
Product name: Rabeprazole Related Compound C
Purity: pharmaceutical secondary standard, certified reference material
Packaging: 50MG
Price: $534
Updated: 2024/03/01

Sigma-Aldrich

Product number: 1598042
Product name: Rabeprazole Related Compound C
Purity: United States Pharmacopeia (USP) Reference Standard
Packaging: 25mg
Price: $1300
Updated: 2024/03/01

Sigma-Aldrich

Product number: 51810
Product name: 2-Mercaptobenzimidazole
Purity: analytical standard
Packaging: 50mg
Price: $63
Updated: 2022/05/15

TCI Chemical

Product number: B0055
Product name: 2-Mercaptobenzimidazole
Purity: >98.0%(HPLC)(T)
Packaging: 25g
Price: $16
Updated: 2024/03/01

TCI Chemical

Product number: B0055
Product name: 2-Mercaptobenzimidazole
Purity: >98.0%(HPLC)(T)
Packaging: 500g
Price: $85
Updated: 2024/03/01

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2-Mercaptobenzimidazole Chemical Properties,Usage,Production

Description

2-Mercaptobenzimidazole is a very useful corrosion inhibitor and cleaner. It can be used to remove the mercury (II) from aqueous solutions and chlor-alkali industry wastewater¹. It can be added to the surface film to inhibit the corrosion of metals like copper^2-3 and mild steel⁴. It can also be used as the carrier for the coated-wire mercury (II)-selective electrodes⁵.
2-Mercaptobenzimidazole is also used as an anti-degradant. It is utilized for protecting rubber from oxidation. It is also employed as an intermediate in the preparation of rabeprazole. Further, it finds application in anti-leprosy drugs in medicine⁶.

Reference

Manohar, D. M., K. A. Krishnan, and T. S. Anirudhan. "Removal of mercury (II) from aqueous solutions and chlor-alkali industry wastewater using 2-mercaptobenzimidazole-clay." Water Research 36.6(2002):1609.
Chadwick, D., and T. Hashemi. "Electron spectroscopy of corrosion inhibitors: Surface films formed by 2-mercaptobenzothiazole and 2-mercaptobenzimidazole on copper." Surface Science 89.1(1979):649-659.
Trachli, B., et al. "Protective effect of electropolymerized 2-mercaptobenzimidazole upon copper corrosion." Progress in Organic Coatings 44.1(2002):17-23.
Wang, Lin. "Evaluation of 2-mercaptobenzimidazole as corrosion inhibitor for mild steel in phosphoric acid." Corrosion Science 43.12(2001):2281-2289.
Mazloum, M, M. K. Amini, and I. Mohammadpoor-Baltork. "Mercury selective membrane electrodes using 2-mercaptobenzimidazole, 2-mercaptobenzothiazole, and hexathiacyclooctadecane carriers." Sensors & Actuators B Chemical 63.1(2000):80-85.
https://www.alfa.com/en/catalog/A18350/

Chemical Properties

yellow or white crystals

Uses

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

Uses

2-Mercaptobenzimidazole is used as an antidegradant. It is utilized for protecting rubber from oxidation. It is also employed as an intermediate in the preparation of rabeprazole. Further, it finds application in anti-leprosy drugs in medicine. In addition to this, it is used as a copper plating brightener.

Synthesis Reference(s)

Organic Syntheses, Coll. Vol. 4, p. 569, 1963
The Journal of Organic Chemistry, 29, p. 3209, 1964 DOI: 10.1021/jo01034a020

General Description

White to yellow crystals or cream colored powder. Slight odor.

Air & Water Reactions

Dust explosion: 0.140 oz/ft3. Insoluble in water. 2-Mercaptobenzimidazole is moisture sensitive. .

Reactivity Profile

An organosulfide and an amine. Organosulfides are incompatible with acids, diazo and azo compounds, halocarbons, isocyanates, aldehydes, alkali metals, nitrides, hydrides, and other strong reducing agents. Reactions with these materials generate heat and in many cases hydrogen gas. Many of these compounds may liberate hydrogen sulfide upon decomposition or reaction with an acid. Amines are chemical bases. They neutralize acids to form salts plus water. These acid-base reactions are exothermic. The amount of heat that is evolved per mole of amine in a neutralization is largely independent of the strength of the amine as a base. Amines may be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen is generated by amines in combination with strong reducing agents, such as hydrides.

Fire Hazard

Flash point data for 2-Mercaptobenzimidazole are not available; however, 2-Mercaptobenzimidazole is probably combustible.

Flammability and Explosibility

Non flammable

Safety Profile

Poison by intraperitoneal and intravenous routes. Moderately toxic by ingestion. Skin and eye irritant. When heated to decomposition it emits toxic fumes of SO, and NO,. See also MERCAPTANS.

Purification Methods

Crystallise it from aqueous EtOH, AcOH or aqueous ammonia. It complexes with many metals. [Brown J Chem Soc 1976 1958, Beilstein 24 II 65, 24 III/IV 287.]

2-Mercaptobenzimidazole Preparation Products And Raw materials

Raw materials

Ethanol Potassium hydroxide Sodium sulfide 2-Nitrochlorobenzene Carbon disulfide 2-Nitroaniline o-Phenylenediamine

Preparation Products

1H-BENZIMIDAZOLE-2-SULFONIC ACID Lansoprazole

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View Lastest Price from 2-Mercaptobenzimidazole manufacturers

Hebei Longbang Technology Co., Ltd

Product: 2-Mercaptobenzimidazole 583-39-1
Price: US $6.00/kg
Min. Order: 1kg
Purity: More than 99%
Supply Ability: 2000KG/Month
Release date: 2024-04-28

Hebei Saisier Technology Co., LTD

Product: 2-Mercaptobenzimidazole 583-39-1
Price: US $6.00/KG
Min. Order: 1KG
Purity: More than 99%
Supply Ability: 2000KG/Month
Release date: 2024-04-17

Hebei Duling International Trade Co. LTD

Product: 2-Mercaptobenzimidazole 583-39-1
Price: US $1.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 5000 Ton
Release date: 2022-10-10

583-39-1, 2-MercaptobenzimidazoleRelated Search:

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2-Mercaptobenzoimidazole

usafek-6540

usafxf-21

Vulkanox MB

Vulkanox MBI

2-Mercaptobenzimidazole≥ 99.5%

2-Benzimidazolethiol 1H-Benzo[d]imidazole-2-thiol 1,3-dihydro-2H-Benzimidazole-2-thione Antioxidant MB 2-benzimidazolinthion

2-Mercaptobenzimidaz

2-Mercapto benzanidazole

2-MercaptobenziMidazole, 98% 100GR

2-MercaptobenziMidazole, 98% 250GR

2-MercaptobenziMidazole, 98% 5GR

2-Mercapto-1H-benziMidazole

o-Phenyleneth

Sandant MB

SuMilizer MB

Vulkanox

Lansoprazole related substance E

2-Mercapto beziMidazole

Antiager MB

Rabeprazole Mercapto Impurity

Rabeprazole USP RC C

2-Mercaptobenzimidazole583-39-1

Lansoprazole Impurity 5(Lansoprazole EP Impurity E)

2-Mercaptobenzimidazole(2MBI)

1H-BenziMidazol-2-thiol

Lansoprazole EP IMpurity E

1H-benzo[d]iMidazole-2(3H)-thione

2-Mercapto-1H-benzimidazole, 2-Sulphanyl-1H-benzimidazole

Rabeprazole Related CoMpound C

2-MercaptobenziMidazole, 98.0%(T)

2 - Mercapto benzene and iMidazole

2-Mercaptobenzimidazole, MBI

2-merkaptobenzimidazol

2-Thiobenzimidazole

2-Thiol benzimidazole

Anitiegene MB

Antiegene MB

antiegenemb

Antigen MB

Antigene MB

Antioxidant mb