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4-Acetamidophenol

Name:4-Acetamidophenol
Other Name:Paracetamol
CAS No:103-90-2
MF:C8H9NO2
Characters : White crystalline powder

The detailed specifications are as below:

Character

White crystalline powder , sparingly soluble in water freely soluble in alcohol, very slightly soluble in ether and methylene chloride

Identification

A: Melting range 168-172°C

B.C.D.E Positive

Related substance

Impurity J(chloroacetanilide)≤10ppm

Impurity K(4-aminophenol)≤50ppm

Impurity F(4-nitrophenol)≤0.05%

Any other impurity ≤ 0.05%

Total of other impurity≤0.1%

Chloride

≤0.014%

Sulfate

≤0.02%

Sulfide

Complies

Heavy metals

≤0.001%

Free P-Aminophenol

≤0.005%

Chloroacetanilide

≤0.001%

Readily carbonizable substance

Complies

Residual solvent

Residual content of acetic acid ≤0.5%

Organic volatile impurities

Complies

Water

≤0.5%

Residue on ignition

≤0.1%

Assay

99.0-101.0%(Dried substance)