Methyl 4-hydroxybenzoate, Pharmpur®, Ph Eur, BP, NF
- Synonyms: Methylparaben, 4-Hydroxybenzoic acid methyl ester, PHB-Ester
- C8H8O3
- M = 152,15 g/mol
- CAS [99-76-3]
- EINECS-No.: 202-785-7
- Solub. in water: (20 ºC): 2,5 g/l
- Melting point: 125 - 128 ºC
- Boiling point: 270 - 280 ºC
- Tariff number: 2918 29 30 00
- Applications: preservative agent (in food industry), cosmetics, in pharma industry.
SPECIFICATIONS
assay (HPLC): 98,0 - 102,0 %
Identification IR: passes test
Identification TLC: passes test
acidity: passes test
color of solution: passes test
melting range: 125º - 128ºC
4-Hydroxybenzoic acid: max. 0,5 %
unspecified impurities: max. 0,5 %
total impurities: max. 1,0 %
residue on ignition: max. 0,1 %
| Reference | Volume | ||
|---|---|---|---|
|
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ME04780100 | x 100 g |
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ME04780500 | x 500 g |
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