7403-34-1

Basic information

• Product Name: 7-methyl-3,4-dihydropyrimido[4,5-d]pyrimidine-2(1H)-thione
• CAS NO: 7403-34-1
• Molecular Formula: C₇H₈N₄S
• Molecular Weight: 180.2302
• Mol File: 7403-34-1.mol
• Article Data: 0

Chemical Properties

• Boiling Point: 305.7°C at 760 mmHg
• Flash Point: 138.7°C
• Density: 1.42g/cm³
• Vapor Pressure: 0.000809mmHg at 25°C
• Refractive Index: 1.696
• CAS DataBase Reference: 7-methyl-3,4-dihydropyrimido[4,5-d]pyrimidine-2(1H)-thione(CAS DataBase Reference)
• NIST Chemistry Reference: 7-methyl-3,4-dihydropyrimido[4,5-d]pyrimidine-2(1H)-thione(7403-34-1)
• EPA Substance Registry System: 7-methyl-3,4-dihydropyrimido[4,5-d]pyrimidine-2(1H)-thione(7403-34-1)

Safety Data

• Hazardous Substances Data: 7403-34-1(Hazardous Substances Data)

Usage

General Description

7-methyl-3,4-dihydropyrimido[4,5-d]pyrimidine-2(1H)-thione, also known as thiamine, is a chemically synthesized compound used in various industrial and pharmaceutical applications. It is a heterocyclic organic compound with a molecular formula of C7H8N4S. Thiamine is a yellow crystalline powder that is insoluble in water but soluble in organic solvents. It is commonly used in the production of pharmaceutical drugs, dyes, and pesticides due to its versatile chemical properties. Thiamine has also been studied for its potential therapeutic applications, including as an antimicrobial and antiviral agent. Additionally, it has shown potential as a corrosion inhibitor in industrial processes. Thiamine is an important chemical in various industries due to its diverse range of applications.

Upstream product

• 874-43-1 5-(aminomethyl)-2-methylpyrimidin-4-amine dihydrochloride 
• 17356-08-0 thiourea 
• 95-02-3 5-(aminomethyl)-2-methylpyrimidin-4-amine 
• 2882-49-7 (4-amino-2-methyl-pyrimidin-5-ylmethyl)-dithiocarbamic acid 
• 333-20-0 potassium thioacyanate 
• 171090-99-6 3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-chloro-ethyl)-4-hydroxy-4-methyl-thiazolidine-2-thione 
• 23132-62-9 (4-amino-2-methyl-pyrimidin-5-ylmethyl)-dicarbothioamidoic acid ethyl ester 

Downstream Products

• 92-35-3 thiochrome 
• 66840-33-3 7-methyl-3,4-dihydro-1H-pyrimido[4,5-d]pyrimidin-2-one