Sodium methylparaben (sodium methyl para-hydroxybenzoate) is a compound with formula Na(CH3(C6H4COO)O). It is the sodium salt of methylparaben.
+91 79 26608012/13/14
+91 79 26608012/13/14
Sodium methylparaben (sodium methyl para-hydroxybenzoate) is a compound with formula Na(CH3(C6H4COO)O). It is the sodium salt of methylparaben.
| Product Name : | SODIUM METHYL PARABEN IP |
| Chemical Formula : | C8H7NaO3 |
| Molecular Weight : | 174.13 |
| CAS No. : | 5026-62-0 |
| Storage : | Store in a tightly closed containers. |
| Retest Period : | 3 years from manufacture. |
| Applications / Uses : | Antimicrobial Preservative |
| Sr No | Test | Specifications |
| 1 | Description | A white, crystalline powder; odourless or almost odourless; hygroscopic |
| 2 | Solubility | Freely soluble in water; sparingly soluble in ethanol (95 per cent); practically insoluble in fixed oils. |
| 3 | Identification | A. Infrared absorption spectrophotometry B. Residue on ignition gives reaction of sodium salt |
| 4 | Appearance of solution | A 10.0 per cent w/v solution in water is clear |
| 5 | pH | 9.5 to 10.5 determined in a 0.1 per cent w/v solution. |
| 6 | Chlorides | Not more than 330 ppm. |
| 7 | Sulphates | Not more than 0.12 %. |
| 8 | Water | Not more than 5.0 per cent, determined on 1.0 g |
| 9 | Assay | Not less than 99.0 per cent and not more than 102.0 per cent of C8H7NaO3, calculated on the anhydrous basis |
| Product Name : | SODIUM METHYL PARABEN BP |
| Chemical Formula : | C8H7NaO3 |
| Molecular Weight : | 174.13 |
| CAS No. : | 5026-62-0 |
| Storage : | Store in a well-closed containers. |
| Retest Period : | 3 years from manufacture. |
| Applications / Uses : | Antimicrobial Preservative |
| Sr No | Test | Specifications |
| 1 | Characters | A white, crystalline powder, freely soluble in water. |
| 2 | Solubility | Sparingly soluble in alcohol, practically insoluble in methylene chloride. |
| 3 | Identification First identification A, B, E. Second identification A, C, D, E. | A) The precipitate melts at 125°C to 128°C. B) By infrared absorption spectrophotometry C) By Chromatography D) An orange to red colour develops. E) Reaction (a) of sodium. |
| 4 | Appearance of solution | Solution is clear and not more intensely coloured than reference solution BY6. |
| 5 | pH | 9.5 to 10.5 |
| 6 | Related substances | To comply the test ( By thin layer chromatography ) |
| 7 | Chlorides | Not more than 350 ppm. |
| 8 | Sulphates | Not more than 300 ppm. |
| 9 | Heavy metals | Not more than 10 ppm. |
| 10 | Water | Not more than 5.0 % w/w |
| 11 | Assay | Not less than 99.0 % and not more than the equivalent of 102.0 % of sodium 4-(methoxycarbonyl)phenolate, calculated with reference to the anhydrous substance. |
| Product Name : | SODIUM METHYL PARABEN USP |
| Chemical Formula : | C8H7NaO3 |
| Molecular Weight : | 174.13 |
| CAS No. : | 5026-62-0 |
| Storage : | Store in a well-closed containers. |
| Retest Period : | 3 years from manufacture. |
| Applications / Uses : | Antimicrobial Preservative |
| Sr No | Test | Specifications |
| 1 | Description | White crystalline powder or colorless crystals. |
| 2 | Solubility | Slightly soluble in water; freely soluble in alcohol and in methanol. |
| 3 | Identification | A) By infrared absorption spectrophotometry B) A platinum wire dipped in solution imparts an intense, persistent yellow color to a nonluminous flame. |
| 4 | pH (0.1 % soln.) | 9.5 to 10.5 |
| 5 | Water | Not more than 5.0 % w/w |
| 6 | hlorides | Not more than 0.035 % w/w |
| 7 | Sulphates | Not more than 0.12 % w/w |
| 8 | Residual solvent | Meets the requirements. |
| 9 | Assay | Not less than 98.5 % and not more than 101.5 % of C8H7NaO3, calculated on anhydrous basis. |
| Product Name : | SODIUM METHYL PARABEN EP |
| Chemical Formula : | |
| Molecular Weight : | |
| CAS No. : | |
| Storage : | |
| Retest Period : | |
| Applications / Uses : |
| Product Name : | SODIUM METHYL PARABEN FCC |
| Chemical Formula : | |
| Molecular Weight : | |
| CAS No. : | |
| Storage : | |
| Retest Period : | |
| Applications / Uses : |
| Product Name : | SODIUM METHYL PARABEN E219 |
| Chemical Formula : | |
| Molecular Weight : | |
| CAS No. : | |
| Storage : | |
| Retest Period : | |
| Applications / Uses : |