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Speciality chemicals
Sodium Benzoate
A white or almost white, crystalline or granular powder or flakes , odorless or with a faint odour ;hygroscopic
PRODUCT OVERVIEW
Quick Facts
CAS No.
532-32-1
Molecular Formula
C7H5NaO2
Molecular Weight
144.10 g/mol
Product Description
| SPECIFICATION | IP | BP | USP |
|---|---|---|---|
| Description | A white or almost white, crystalline or granular powder or flakes , odorless or with a faint odour ;hygroscopic | A white or almost white, crystalline or granular powder or flakes , slightly hygroscopic | A white or almost white, crystalline or granular powder or flakes , slightly hygroscopic |
| Solubility | - | Freely soluble in water, sparingly soluble in ethanol (90 % ) | - |
| Identification (A)Reaction (B)Reaction (C)Reaction | A : It gives reaction of Benzoate B: It gives reaction of Sodium salts. C: A white Crystalline precipitate is produced. | A : It gives reaction of Benzoate B : It gives reaction of Sodium | A : It gives reaction of Benzoate B : It gives reaction of Sodium |
| Appearance of Solution | 10 % w/v solution is not more intensely Colored than reference solution YS6. | 10 % w/v solution is not more intensely Colored than reference solution Y6. | - |
| Acidity & Alkalinity( USP) | NMT. 0.2 ml of 0.1M sodium hydroxide or 0.1M HCL is required to change the colour of the solution | NMT. 0.2 ml of 0.1M sodium hydroxide or 0.1M HCL is required to change the color of indicator | The pink color is produced |
| Arsenic | NMT 2 ppm | - | - |
| Chlorinated Compounds | The filtrate complies with limit test for chlorides | - | - |
| Water | - | - | NMT. 1.5% |
| Halogenated compounds | - | NMT. 200 ppm for Ionized chlorine and NMT. 300 ppm for total chlorine | - |
| Heavy Metals | NMT 20 ppm | - | NMT.10 ppm. |
| Organic Volatile Impurities | - | - | Meets the requirement |
| Residual Solvents | - | - | Meets the requirement |
| Loss on drying ( 105oC) | NMT 2.0% | NMT 2.0% | - |
| Assay (on dry basis ) | 99.0 % - 100.5 % | 99.0% - 100.5% | 99.0 % - 100.5 % |
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