ALIZARIN AR (PH INDICATOR)(C.I.NO.58000)

Article No A-00412
CAS No 72-48-0
HSN Code 32129090
Purity 97%
Grade AR
Molecular Formula C14H8O4
Molecular Weight 240.22
Shelf Life 5 years

PACKAGINGS

SPECIFICATIONS

Appearance Orange colored powder
Melting point 287 – 291°C
Loss on drying Max. 3.0%
Boiling Point 430 °C
Solubility In Water (% weight) Slightly soluble in water
Dye Content 88-92%
pH 5.5- 6.8 Yellowish to reddish violet
Absorption max1 in NaOH 0.1 mol/l 564-568nm
Absorption max2 in NaOH 0.1 mol/l 605 – 609 nm
Sulphated ash Max 1%