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4-Hydroxy-D-phenylglycine CAS 22818-40-2 is white or almost white crystalline powder. Slightly soluble in ethanol and water, soluble in acid or alkali solution to form a salt.
Physical properties
Appearance White or similar to white crystalline powder
Density,g/cm3 1.178
Boiling point,℃ 337
Melting point,℃ 233-288
Flash point,℃ 149
Water solubility 5g/L (20℃)
Vapour Pressure 0.000272mmHg at 25℃
Solubility Slightly soluble in ethanol and water, soluble in acid or alkali solution to form a salt.
Specification
Appearance White or almost white crystalline powder
Assay ≥99.00%
Specific Rotation -156.0° ~ -161.0°
Moisture ≤0.20%
Iron ≤5mg/kg
Absorbance ≤0.05
Application
D(-)-4-Hydroxyphenylglycine used as pharmaceutical intermediates, mainly used for semisynthetic penicillins, amoxicillin, cephalosporin drug synthesis, etc
Package
25kg kraft paper bag with double-layer plastic bag or as per customer’s requirements
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