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CAS 94-09-7 Benzocaine Powder
 

Benzocaine (Benzocaina) is a white needle crystal (CAS No.: 94-09-7, molecular formula: C9H11NO2, molecular weight: 165), melting point of 90-92  C, slightly soluble in water, soluble Organic solvent.

Items Tested Specification Result
Characters A white, crystalline powder or colorless crystals. A white crystal.
Identification IR should comply with the Reference Standard spectrum.
UV should comply with the Reference Standard spectrum.
An orange-red precipitate is performed.
IR complies with the Reference standard spectrum.
UV complies with the Reference standard spectrum.
An orange-red precipitate is performed.
Melting range 88 ~92 degree 89.8-90.2degree
Loss on Drying Not more than 1.0% 0.22%
Readily carbonizable Substances The resolution has no more color than Matching Fluid A. Conform
Residue on ignition Not more than 0.1% 0.02%
Heavy metals Not more than 0.001% Conform
Chloride Conform Conform
Assay (HPLC) 98.0%-102.0% 99.96%
Ordinary Impurities 1% Conform
Reaction Conform Conform
Conclusion Complies to USP31
 
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