Salicylic Acid CAS 69-72-7

Salicylic Acid CAS 69-72-7

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Product Details


 

Product name:
Salicylic Acid
Molecular Formula:
C7H6O3
Molecular Structure:
mtxx56
Molecular Weight:
138.1
CAS No.:
69-72-7


Description

Salicylic acid is a white or almost white, crystalline powder or white or colourless, acicular crystals. It is slightly soluble in water, freely soluble in ethanol (96 per cent), sparingly soluble in methylene chloride.

 

Application

Salicylic acid is an important raw material for fine chemicals such as medicines, perfumes, dyes and rubber additives. In the pharmaceutical industry, salicylic acid itself is used as a disinfectant antiseptic for local keratin hyperplasia and skin mold infections. As a pharmaceutical intermediate, it is used in the production of acetylsalicylic acid, sodium salicylate, salicylamide, niclosamide, phenyl salicylate, ethyl p-hydroxybenzoate, hydrazine salicylate, sulfasalazine, etc. In the dye industry, it is used to produce direct yellow GR, direct fast ash BL, direct fast brown RT, acidic medium brown G, acid medium yellow GG and other dyes. Various esters of salicylic acid can be used as a spice.

 

Specification

Appearance
White or almost white, crystalline powder or white or colourless, acicular crystals.
Melting range
158°C to 161°C
Appearance of solution
Meets the requirements.
Chlorides
≤ 100 ppm
Sulfates 
≤ 200 ppm
Heavy metals
≤ 20ppm
Loss on drying
≤0.5%
Sulfated ash
≤0.1%
Related substances:

4-hydroxybenzoic acid
≤0.1%
4-hydroxyisophthalic acid
≤0.05%
Phenol  
≤0.02%
Any other impurity 
≤0.05%
Total impurities
≤0.2%
Assay
99.0%-100.5%


Packing and Storage

Preserve in well-closed container.

 

Minimum Order

One package

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