Specification Sheet

Product Name
1,4-Dihydroxyanthraquinone purum, ≥98.0% (HPLC), powder, red-brown

Product Number
37480

Product Brand
SIAL

CAS Number
81-64-1

Molecular Weight
240.21

Test

Specification

APPEARANCE (COLOR)Red to Very Dark Red and Red-Brown and Brown-Red
APPEARANCE (FORM)Powder
PURITY (HPLC AREA %)≥ 98.0 %
MELTING POINT195 - 198 C
SOLUBILITY (COLOR)Faint Orange to Orange
SOLUBILITY (TURBIDITY)Clear
SOLUBILITY (METHOD)1 MG/ML IN CHLOROFORM
RESIDUE ON IGNITION≤ 1.0 %
INFRARED SPECTRUMCONFORMS TO STRUCTURE
WAVELENGTH (1) (UV)247.0 - 251.0 nm
MOLAR ABSORBANCY INDEX (1)≥ 29000
SOLVENT (UV)ETHANOL

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