5,6-Diamino-2-sulfanylpyrimidin-4-ol

Modify Date: 2025-08-20 18:33:35

5,6-Diamino-2-sulfanylpyrimidin-4-ol Structure
5,6-Diamino-2-sulfanylpyrimidin-4-ol structure
Common Name 5,6-Diamino-2-sulfanylpyrimidin-4-ol
CAS Number 1004-76-8 Molecular Weight 158.182
Density 1.7±0.1 g/cm3 Boiling Point 473ºC at 760 mmHg
Molecular Formula C4H6N4OS Melting Point >300 °C(lit.)
MSDS Chinese USA Flash Point 239.9ºC

 Names

Name 5,6-Diamino-2-thiouracil
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.7±0.1 g/cm3
Boiling Point 473ºC at 760 mmHg
Melting Point >300 °C(lit.)
Molecular Formula C4H6N4OS
Molecular Weight 158.182
Flash Point 239.9ºC
Exact Mass 158.026230
PSA 132.78000
LogP -2.37
Vapour Pressure 1.43E-09mmHg at 25°C
Index of Refraction 1.776
Storage condition 2-8°C

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi: Irritant;
Risk Phrases R36/38
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2933599090

 Synthetic Route

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5,6-Diamino-2-sulfanylpyrimidin-4-ol Structure

5,6-Diamino-2-s...

CAS#:1004-76-8

Literature: Journal of the American Chemical Society, , vol. 36, p. 355

~%

5,6-Diamino-2-sulfanylpyrimidin-4-ol Structure

5,6-Diamino-2-s...

CAS#:1004-76-8

Literature: Journal of the Chemical Society, , p. 467,469

 Customs

HS Code 2933599090
Summary 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

5,6-Diamino-2-sulfanylpyrimidin-4-ol
EINECS 213-727-5
4-pyrimidinol, 5,6-diamino-2-mercapto-
MFCD00012187
4,5-Diamino-6-hydroxy-2-mercaptopyrimidine
2-Mercapto-4-hydroxy-5,6-diamino-pyrimidine
2-Mercapto-4-hydroxy-5,6-diaminopyrimidine
5,6-diamino-2-sulfanylidene-1H-pyrimidin-4-one
5,6-Diamino-2-sulfanylpyrimidin-4(3H)-one
5,6-Diamino-2-thioxo-2,3-dihydropyrimidin-4(1H)-on
4(1H)-Pyrimidinone, 5,6-diamino-2,3-dihydro-2-thioxo-
5,6-Diamino-2-thioxo-2,3-dihydro-4(1H)-pyrimidinone
5,6-diamino-2-thioxo-2,3-dihydropyrimidin-4(1H)-one
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