4-Hydroksybenzoesan metylu Pharmpur® Ph Eur,BP,NF – SCHARLAU
Additional information
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POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
Methyl 4-hydroxybenzoate, extra pure,
– 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 %
