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Merck
CN

Specification Sheet

Product Name
Metanil Yellow analytical standard

Product Number
44426

Product Brand
sial

CAS Number
587-98-4

Molecular Weight
375.38

Test

Specification

APPEARANCE (COLOR)Yellow to Very Dark Yellow and Light Beige to Dark Beige and Light Brown to Brown
APPEARANCE (FORM)Powder to Crystals
PURITY (HPLC AREA %)≥ 98.0 %
IDENTIFICATION (LC-MS)Identity Confirmed
PROTON NMR SPECTRUMCONFORMS TO STRUCTURE
RECOMMENDED RETEST PERIOD36 MONTHS