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Benzocaine

94-09-7

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Description

Characters
White crystals or crystalline powder
White crystalline powder
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 wit the reference standard spectrum.
UV complies with the reference standard spectrum.
An orange-red precipitate is performed.
Melting point
88°C~92°C
89.0°C~89.5°C
Loss on drying
NMT 0.5%
0.24%
Readily carbonizable substances
The resolution has no more color than matching fluid A.
Conforms
Residue on ignition
NMT 0.1%
0.05%
Heavy metals
NMT 0.001%
Conforms
Chloride
Conform
Conforms
Assay(HPLC)
98.0%~102.0%
100.22%
Ordinary impurities
NMT 1%
Conforms
Reaction
Conform
Conforms
Conclusion: it meets with the standard of USP35.

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