3,4-DiaMino-2-Methylpyrazole sulfate, 95%

Base Information

• Chemical Name: 3,4-DiaMino-2-Methylpyrazole sulfate, 95%
• CAS No.: 20055-01-0
• Molecular Formula: C4H8N4.H2O4S
• Molecular Weight: 210.214
• Hs Code.: 2933199090
• Mol file: 20055-01-0.mol

Synonyms:1-methyl-1H-pyrazole-4,5diamine sulfate;3,4-Diamino-2-methylpyrazole sulfate;4,5-diamino-1-methylpyrazole sulfuric acid salt;

Chemical Property of 3,4-DiaMino-2-Methylpyrazole sulfate, 95%

Chemical Property:

• Melting Point: >198.5°C (dec.)
• PSA: 152.84000
• LogP: 1.17490
• Storage Temp.: Sealed in dry,Room Temperature
• Solubility.: DMSO (Slightly), Methanol (Slightly, Heated)

Purity/Quality:

97% ^*data from raw suppliers

1-Methyl-1H-pyrazole-4,5-diamine Sulfate ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 1-Methyl-1H-pyrazole-4,5-diamine sulfate is used as a coupling reagent in synthetic hair dye products.

Technology Process of 3,4-DiaMino-2-Methylpyrazole sulfate, 95%

There total 1 articles about 3,4-DiaMino-2-Methylpyrazole sulfate, 95% 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:

1-methyl-4-nitroso-1H-pyrazol-5-amine (21616-58-0) → 4,5-diamino-1-methylpyrazole sulfate (20055-01-0)

Guidance literature:

With sulfuric acid; hydrogen; palladium on activated charcoal; In water; at 20 ℃; for 10h;

DOI:10.1016/j.bmc.2007.11.074

Reference yield:

4,5-diamino-1-methylpyrazole sulfate (20055-01-0) + phenyl chloroformate (1885-14-9) → 5-amino-1-methyl-4-phenoxycarbonylaminopyrazole (689294-25-5)

Guidance literature:

With sodium hydroxide; ammonium hydroxide; In 1,4-dioxane; water; at 10 ℃; for 1h; pH=6.9;

Reference yield:

4,5-diamino-1-methylpyrazole sulfate (20055-01-0) + N-[(benzyloxy)carbonyl]-3-[(tert-butoxycarbonyl)amino]-L-alanine (16947-84-5,62234-36-0) → 2-benzyl 1-tert-butyl {(2S)-3-[(5-amino-1-methyl-1H-pyrazol-4-yl)amino]-3-oxo-1,2-propanediyl}biscarbamate (848770-48-9)

Guidance literature:

With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; In water; at 20 ℃; for 2h;

upstream raw materials:

1-methyl-4-nitroso-1H-pyrazol-5-amine

Downstream raw materials:

5-amino-1-methyl-4-phenoxycarbonylaminopyrazole

2-benzyl 1-tert-butyl {(2S)-3-[(5-amino-1-methyl-1H-pyrazol-4-yl)amino]-3-oxo-1,2-propanediyl}biscarbamate

N-(5-amino-1-methyl-1H-pyrazol-4-yl) formamide

4-[2-(tert-butoxycarbonylamino)ethoxycarbonyl]amino-5-(tritylamino)-1-methylpyrazole