carbendazim

Base Information

• Chemical Name: carbendazim
• CAS No.: 102040-01-7
• Molecular Formula: C₉H₉N₃O₂
• Molecular Weight: 191.189

Synonyms:

Chemical Property of carbendazim

Chemical Property:

• Water Solubility.: <0.1 g/100 mL at 21℃

Purity/Quality:

Safty Information:

• Hazard Codes: T:Toxic;;
• Statements: R46:; R60:; R61:; R50/53:
• Safety Statements: S53:; S45:; S60:; S61:

MSDS Files:

Useful:

Technology Process of carbendazim

There total 12 articles about carbendazim which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 92.0%

1H-benzimidazol-2-amine (934-32-7) + dimethyl dicarbonate (4525-33-1) → 1H-benzimidazol-2-ylcarbamic acid methyl ester (162976-69-4,102040-01-7,110342-67-1,212384-28-6,276680-08-1,63090-40-4,63278-70-6,59758-95-1)

Guidance literature:

With iodine; In methanol; at 20 ℃; for 1h;

Reference yield: 85.0%

S-Methylisothiourea sulfate (867-44-7,147895-43-0) + methyl chloroformate (79-22-1) + 1,2-diamino-benzene (95-54-5) → 1H-benzimidazol-2-ylcarbamic acid methyl ester (162976-69-4,102040-01-7,110342-67-1,212384-28-6,276680-08-1,63090-40-4,63278-70-6,59758-95-1)

Guidance literature:

S-Methylisothiourea sulfate; methyl chloroformate; With sodium hydroxide; at 10 - 15 ℃; pH=8.0;

1,2-diamino-benzene; With acetic acid; at 95 ℃; for 2h; pH=5.0;

DOI:10.1016/S0960-894X(02)00346-3

Reference yield: 79.4%

CYANAMID (420-04-2) + methyl chloroformate (79-22-1) + 1,2-diamino-benzene (95-54-5) → 1H-benzimidazol-2-ylcarbamic acid methyl ester (162976-69-4,102040-01-7,110342-67-1,212384-28-6,276680-08-1,63090-40-4,63278-70-6,59758-95-1)

Guidance literature:

With sodium hydroxide; In methanol; hydrogen bromide;

upstream raw materials:

1H-benzimidazol-2-amine

methyl chloroformate

benlate

2-amino-1-methoxycarbonylbenzimidazole

Downstream raw materials:

N,N'-[1H,1'H-1,1'-(4-methyl-m-phenylenedicarbamoyl)-bis-benzoimidazol-2-yl]-bis-carbamic acid dimethyl ester

C₁₇H₁₈N₄O₄S

C₁₇H₁₅F₃N₄O₄S

C₁₆H₁₄F₂N₄O₄S

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