Fenoftalina ACS, 250 g

Fenoftaleina IND ACS
C20H14O4
M.W: 318,32 CAS: 77-09-8 EC: 201-004-7 TARIC: 29322010
EC INDEX: 604-076-00-1

Appearance A white / almost white powder
Assay 98.0 – 101.0%
Identification Conforms
Loss on drying ≤ 0.5%
Residue on roasting (SO4) ≤ 0.1%
Acidity or alkalinity Conforms
Chloride (Cl–) ≤ 0.01%
Appearance of solution Conforms
Sulfates (SO4) ≤ 0.02%
Transition range pH 8.2 – 10
colourless to red-violet
Practically insoluble in water