Sodium Methyl Hydroxybenzoate BP
Abstract:
Sodium methylparaben (sodium methyl para-hydroxybenzoate) is a compound with formula Na(CH3(C6H4COO)O). It is the sodium salt of methylparaben.
Uses/Applications:
It is a food additive with the E number E219 which is used as a preservative.
Identity:
Product Name: Sodium Methyl Hydroxybenzoate
Molecular formula: C8H7NaO3
Molecular weight: 174.1g/mol
CAS No.: 5026-62-0
Specifications:
| Test | Specification |
| Character | It occurs as a white or almost white, hygroscopic crystalline powder. |
| Identification
Test A Test B Test C Test D |
|
| Solubility | Freely soluble in water, sparingly soluble in ethanol (96%), practically insoluble in methylene chloride. |
| Appearance of solution | Solution, examined immediately after preparation, is clear and not more intensely colored than reference solution BY6 |
| pH | 9.5 to 10.5 |
| Related substances-
a. Correction factor
b. Impurity A c. Unspecified impurities d. Sum of impurities other than A |
|
| Chlorides | Not more than 350 ppm |
| Sulfates | Not more than 300 ppm |
| Heavy metals | Not more than 10 ppm |
| Water | Not more than 5.0 % |
| Assay | Not less than 95.0% and not more than 102.0% (anhydrous substance). |
Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.
Other
GLP, cGMP (FDA) Approved, ISO 9001, ISO 14001, ISO 45001, ISO 17025, ISO 22000, FSSC 22000, FSSAI, Halal and Kosher certified.
We observe WHO Good manufacturing practice and Good laboratory practice.
