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25 Kilograms

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Product Specifications

Solubility	Soluble in ethanol and slightly soluble in water
HS Code	29339900
Usage	Used as a pH indicator in analytical chemistry for titrations
Product Type	Indicator
Taste	Odorless
Ingredients	A-Naphtholphthalein
Storage	Other, Store in tightly closed container, in a cool, dry, well-ventilated area away from light
Structural Formula	See C28H18O4; Structure features two naphthol groups connected by a central spiro carbon and phthalide core
Shelf Life	5 Years
Purity	98%
Shape	other, Crystalline powder
Density	1.295 Gram per cubic centimeter(g/cm3)
Appearance	Dark green to blue-violet powder
CAS No	358-45-4
Poisonous	YES
Grade	Analytical Reagent Grade
Smell	Other, Odorless
Molecular Formula	C28H18O4
Molecular Weight	418.44 g/mol
Application	Other, pH indicator, laboratory reagent
Ph Level	pH transition range: 7.3aEUR"8.7
Physical Form	Powder
Properties	Soluble in alcohol, indicator for acid-base titration, displays green/blue/violet color changes depending on pH
Melting Point	>280AdegC (decomposes)
EINECS No	206-626-9
Supply Ability	100 Per Week
Delivery Time	1 Week