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HomeProduct name list6-Methyluracil

6-Methyluracil

Synonym(s):2,4-Dihydroxy-6-methylpyrimidine

  • CAS NO.:626-48-2
  • Empirical Formula: C5H6N2O2
  • Molecular Weight: 126.11
  • MDL number: MFCD00006028
  • EINECS: 210-949-4
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-09-09 19:09:56
6-Methyluracil Structural

What is 6-Methyluracil?

Chemical properties

White to Off-White Crystalline Solid

The Uses of 6-Methyluracil

6-Methyluracil (cas# 626-48-2) is a compound useful in organic synthesis.

Definition

ChEBI: A pyrimidone that is uracil with a methyl group at position 6.

Preparation

6-Methyluracil [626-48-2]. is produced by condensation of diketene with urea. It is used in the production of the analgesic mepirizole, the feed additive orotic acid, and 5-aminoorotic acid.

Safety Profile

Moderately toxic by ingestion. Questionable carcinogen with experimental neoplastigenic and teratogenic data. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of NOx.

Purification Methods

Crystallise 6-methyluracil from EtOH or acetic acid. [Beilstein 24 III/IV 1281.]

Properties of 6-Methyluracil

Melting point: 318 °C (dec.)(lit.)
Density  1.226±0.06 g/cm3(Predicted)
storage temp.  Inert atmosphere,Room Temperature
solubility  DMSO (Slightly), Methanol (Slightly, Heated, Sonicated)
form  Fine Crystalline Powder
pka pK1:9.52 (25°C)
color  White to almost white
Water Solubility  7 g/L (22 ºC)
Merck  14,6133
BRN  115647
CAS DataBase Reference 626-48-2(CAS DataBase Reference)
NIST Chemistry Reference 6-Methyluracil(626-48-2)
EPA Substance Registry System 2,4(1H,3H)-Pyrimidinedione, 6-methyl- (626-48-2)

Safety information for 6-Methyluracil

Signal word Warning
Pictogram(s)
ghs
Health Hazard
GHS08
GHS Hazard Statements H361:Reproductive toxicity
Precautionary Statement Codes P281:Use personal protective equipment as required.

Computed Descriptors for 6-Methyluracil

InChIKey SHVCSCWHWMSGTE-UHFFFAOYSA-N

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