Packs sizes (1)
Technical data
- Melting Point:
- 131 °C
- Boiling Point:
- 270 °C
- Solubility:
- in water at 20°C
- Physical Description:
- solid
- Product Code:
- 143332
- Product Name:
- Methyl 4-Hydroxybenzoate (USP-NF, BP, Ph. Eur., JP) pure, pharma grade
- Quality Name:
- pure, pharma grade
- Specifications:
- Assay: 99.0-100.5%
Identity according to Pharmacopoeias:: passes test
A 1% , 1 cm, λ 258 nm: 1040-1120
Melting range: 125-128°C
T.L.C.: passes test
Maximum limit of impurities
Appearance and colour of solution: passes test
Acidity: passes test
Insoluble matter in C2H5OH 96%: passes test
Residue on ignition (as SO4): 0.1 %
Residual solvents (Ph.Eur/USP): passes test
Unspecified impurities: 0.5 %
Total impurities: 1.0 %
Impurity A (4-Hidroxibenzoic Acid): 0.5 %
Related substances:
Heavy metals (as Pb): 0.0020 %
- WGK:
- 1
- Storage:
- Room Temperature.
- Master Name:
- Methyl 4-Hydroxybenzoate
- Synonyms Long Text:
- 4-Hydroxybenzoic Acid Methyl Ester, Methyl Paraben, Methyl p-Hydroxybenzoate
- EINECS:
- 202-785-7
- CS:
- 2918 29 00 90
