Chlorpheniramine maleate belongs to the class of antihistamines. Chlorpheniramine maleate is used for urticaria, vasodilatory rhinitis, colds, asthma, rhinitis, contact dermatitis.
Chlorpheniramine maleate has an antihistamine effect and is able to relieve cold symptoms. Chlorpheniramine maleate is used for colds and allergic diseases of the skin and mucous membranes, and its functions are mainly used for the treatment of urticaria, eczema, dermatitis, drug eruption, pruritus, neurodermatitis, insect bites, solar dermatitis, allergic dermatitis, vasomotor rhinitis, drug and food allergies, etc. In addition to strong competitive blocking of histamine H1 receptors on allergic target cells, it also has anti-M choline receptor effects by antagonizing H1 receptors.
|Appearance||White or almost white crystalline powder||Conform|
|Melting point||130.0 – 135.0℃||131.5℃|
|PH||4.0 – 5.0||4.83%|
|Loss on drying||≤0.5%||0.14%|
|Assay||98.0% - 101.0%||99.51%|
|Appearance:||White or almost white crystalline powder|
|Purity:||98.0% - 101.0%|
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