Product Name:

4-Hydroxy Benzoic Acid

WCode:

08-010

Molecular Formula:

C14H11N3O5

 

Sales Specification

Technical Grade

Appearance:

White crystalline powder

Purity %:

99.0% Min

Melting point:

213-216° C

Odor:

Odorless

Solubility:

Clear and transparent

Loss on Drying:

0.50 Max

Color (Pt-Co)

40 max

Ash:

0.15% max

Sulfate:

0.05% Max

Chloride:

0.02% Max

Phenol:

0.10% Max

Salicylic Acid:

0.10% Max

 

 

 

  

Polymer Grade

 

Appearance:

White crystalline powder

Purity:

99.5% min

Melting Point:

214-217 °C

Odor:

Odorless

Solubility:

Clear and transparent

Loss on Drying:

0.20 Max

Color (Pt-Co):

15 max

Ash:

0.02% max

Sulfate:

0.01% max

Chloride:

0.005% max

Phenol:

0.01% max

Salicylic Acid:

0.02% max

4 Hydroxyisophthalic Acid:

500 ppm Max

Insolubles in Methanol:

50 ppm Max

Potassium (K):

10 ppm Max

Sodium (Na):

10 ppm Max

Iron (Fe):

10 ppm Max

Calcium + Magnesium:

10 ppm Max

 

 

Packing

 

In 25 KG plastic woven bag