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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.


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


D(-)-4-Hydroxyphenylglycine used as pharmaceutical intermediates, mainly used for semisynthetic penicillins, amoxicillin, cephalosporin drug synthesis, etc


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