636-26-0

Name 4-Hydroxy-5-methyl-2-mercaptopyrimidine
CAS 636-26-0
Molecular Formula C5H6N2OS
MDL Number MFCD00009777
Molecular Weight 142.18
MOL File 636-26-0.mol
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Chemical Properties

Appearance white crystalline powder
Melting point  283-286°C
density  1.36
refractive index  1.6430 (estimate)
storage temp.  Sealed in dry,Room Temperature
form  powder to crystal
pka pKa 7.71 (Uncertain)
color  White to Almost white
Stability: Stable but may be heat or light sensitive. Incompatible with strong oxidizing agents.
Water Solubility  509mg/L(25 ºC)
BRN  120488
InChI InChI=1S/C5H6N2OS/c1-3-2-6-5(9)7-4(3)8/h2H,1H3,(H2,6,7,8,9)
InChIKey ZLAQATDNGLKIEV-UHFFFAOYSA-N
SMILES C1(=S)NC=C(C)C(=O)N1
CAS DataBase Reference 636-26-0(CAS DataBase Reference)
NIST Chemistry Reference 4(1H)-pyrimidinone, 2,3-dihydro-5-methyl-2-thioxo-(636-26-0)
EPA Substance Registry System 636-26-0(EPA Substance)

Safety Data

Hazard Codes  Xi
Risk Statements 
R22:Harmful if swallowed.
R40:Limited evidence of a carcinogenic effect.
Safety Statements 
S22:Do not breathe dust .
S36/37:Wear suitable protective clothing and gloves .
RTECS  XP2108500
TSCA  TSCA listed
HS Code  2933599590

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