4(1H)-Pyrimidinethione, 5,6-diamino- (9CI)

4(1H)-Pyrimidinethione, 5,6-diamino- (9CI) - Names and Identifiers

Name	5,6-diaminopyrimidine-4-thiol
Synonyms	AI3-52206 4,5-DIAMINO-6-THIOPYRIMIDINE 5,6-diaminopyrimidine-4-thiol 4,5-DIAMINO-6-MERCAPTOPYRIMIDINE 4,5-diamino-6-mercaptopyrimidine 5,6-Diaminopyrimidine-4(3H)-thione 5,6-diaminopyrimidine-4(1H)-thione 5,6-Diaminopyrimidine-4(1H)-thione 5,6-diamino-1H-pyrimidine-4-thione 4(1H)-Pyrimidinethione, 5,6-diamino- 4(1H)-Pyrimidinethione, 5,6-diamino- (9CI)
CAS	2846-89-1
EINECS	220-644-8
InChI	InChI=1/C4H6N4S/c5-2-3(6)7-1-8-4(2)9/h1H,5H2,(H3,6,7,8,9)

4(1H)-Pyrimidinethione, 5,6-diamino- (9CI) - Physico-chemical Properties

Molecular Formula	C4H6N4S
Molar Mass	142.18
Density	1.78±0.1 g/cm3(Predicted)
Melting Point	257 °C (decomp)
Boling Point	229.3±50.0 °C(Predicted)
Flash Point	92.5°C
Vapor Presure	0.07mmHg at 25°C
pKa	5.87±0.20(Predicted)
Storage Condition	Room Temprature
Refractive Index	1.85

4(1H)-Pyrimidinethione, 5,6-diamino- (9CI) - Risk and Safety

Safety Description	24/25 - Avoid contact with skin and eyes.
HS Code	29335990

4(1H)-Pyrimidinethione, 5,6-diamino- (9CI) - Introduction

5, is an organic compound with the chemical formula C4H6N4S. The following is a description of its nature, use, preparation and safety information:

Nature:
-Appearance: White or off-white crystalline solid.
-Solubility: Slightly soluble in water, soluble in organic solvents such as ethanol, dimethyl sulfoxide, etc.
-Melting point: About 270-273 ℃.

Use:
-Materials science: 5. It can be used as an organic ligand for synthetic metal-organic framework (MOF), adsorption, catalysis, separation and other aspects have application potential.
-Biochemistry: It can also be used to synthesize biologically active compounds or complexes, such as precursors of anticancer drugs and bacteriostatic agents.

Method:
5. The preparation method of pyridine is relatively simple. One commonly used method is to replace the chlorine or bromine on the amino group of pyrimidine.
Preparation steps:
1. Dissolve 4,5-diaminopyrimidine in absolute ethanol.
2. Replace one of the amino groups with chlorine or bromine to generate the corresponding chlorine (or bromine) generation products.
3. Add mercaptan (mercapto compound) and react to generate 5.

Safety Information:
5. Toxicity information is limited, but it is still necessary to follow general laboratory safety practices when used. Direct contact with skin and eyes should be avoided, and appropriate protective measures such as gloves and safety glasses should be taken. At the same time, it should be operated in a well-ventilated place to avoid inhaling its dust or gas. If ingestion or contact occurs, seek medical attention immediately.

Last Update：2024-04-09 21:11:58