Product   Name:

Chloramphenicol

DL-Chloramphenicol

Synonyms:

Chloromycetin,

Chloramfenicol,  

Chloramphenicolum

DL-Chloromycetin,

DL-Chloramfenicol,

DL-Chloramphenicolum

Characteristics:

White   to grayish white or yellow white needle-like crystalline powder

White   or white with greenish-yellowish crystalline powder

CAS   Number:

56-75-7

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Assay:

98.5%   ~ 102.0%

98%   Min

Formula:

C11H12Cl2N2O5

The same: C11H12Cl2N2O5

Structure:  

Specification:  

BP   / EP / USP

In-House,   Enterprise Standard

Package:

25Kg/ Fiber Drum ,  Cardboard Drum ,  Paper Drum

25Kg/   Drum

Name   of Product

Chloramphenicol

Testing Item

Standard

Result

Conclusion

Characteristic

White   to grayish white or yellow white needle-like crystalline powder or clongated   plate

Complies

Complies

Identification

(Chloramphenicol)

Positive  

Positive

Complies

Melting   Point

149 °C ~   153 °C

151 °C

Complies

Loss   on Drying

≤   0.5%

0.12%

Complies

Residue   on Ignition

≤   0.1%

0.06%

Complies

PH

5.0~   7.5

5.68

Complies

Specific   Rotation

+18.5° ~+21°

+19.5°

Complies

Ralated   Substance

≤   0.5%

<   0.5%

Complies

Chloride

≤   0.01%

0.005%

Complies

Sulphated   Ash

≤   0.1%

0.07%

Complies

Assay:

98.5%~   102.0% Chloramphenicol

99.2%

Complies

CONCLUSION

Comply with BP2010 Standard.

ITEM

SPECIFICATION

RESULT

Characteristics

White or white with greenish-yellowish   crystalline powder

Conforms

Solubility

Moderately soluble in 95% alcohol,very   little soluble in ether and water,practically insoluble chlorophorm

Qualified

Melting range

149~153°C

152.2°C

Acidity or alkalinity

4.5~7.5

6.6

Chloride

≤100ppm

<100ppm

Sulphated

≤0.1%

0.06%

Heavy metals

≤10ppm

<10ppm

Loss on drying

≤0.5%

0.19%

Assay(dried substance)

98.0~102.0% DL-Chloramphenicol

99.28%