Chemicals

1,3-dimethylbarbituric acid

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Product Name: 1,3-dimethylbarbituric acid

CAS No: 769-42-6

Synonym:

1,3-dimethyl-1,3-diazinane-2,4,6-trione

1,3-dimethylpyrimidine-2,4,6(1H,3H,5H)-trione

Density 1.3±0.1 g/cm3

Boiling Point 228.1±23.0 °C at 760 mmHg

Melting Point 121-123 °C(lit.)

Molecular Formula C6H8N2O3

Molecular Weight 156.139

Flash Point 95.3±15.0 °C

Exact Mass 156.053497

PSA 57.69000

LogP -2.21

Vapour Pressure 0.1±0.5 mmHg at 25°C

Index of Refraction 1.511

Specification

Appearance: White to cream crystalline powder

Assay（HPLC） ≥99.0%

Assay by titration ≥98.0%

Water ≤0.5%

Melting point 119-126oC

Loss on drying ≤0.50%

Sulphated ash ≤0.20%

Solubility Solution in methanol should be clear

Application:

1,3-dimethylbarbituric acid is mainly used as oseltamivir intermediates for the prevention of plague bird flu drug

Package: 25kgs/drum

Storage: Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

1,3-dimethylbarbituric acid

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