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Merck
CN

技术规格说明书

产品名称
1-(2-噻唑偶氮)-2-萘酚 for spectrophotometric det. of Cd, Co, Cu, Mn, Ni, Tl, ≥99.0%

产品编号
88413

产品品牌
sial

化学文摘社编号
1147-56-4

分子量
255.30

Test皿

规格

APPEARANCE (COLOR)Light Red to Very Dark Red
APPEARANCE (FORM)Powder or Fibers
TITRATION (T) NAOH 0.1M≥ 99.0 %
PURITY (TLC AREA %)≥ 99.0 %
ASSAY (ELEMENTAL ANALYSIS)≥ 99.0 %
MELTING POINT138 - 140 C
SOLUBILITY (COLOR)Red to Very Dark Red
SOLUBILITY (TURBIDITY)Clear
SOLUBILITY (METHOD)0.1G IN 10ML METHANOL, HOT
CARBON CONTENT61.16 % (Theory)
HYDROGEN CONTENT3.55 % (Theory)
NITROGEN CONTENT16.46 % (Theory)
PROTON NMR SPECTRUMCONFORMS TO STRUCTURE
REMARKSfor spectrophotometric det. of Cd, Co, Cu, Mn, Ni, Tl
RECOMMENDED RETEST PERIOD42 MONTHS