NILE CHEMICALS

 

PHENOLPHTHALEIN YELLOWISH WHITE
Formula : C20H14O4
CAS Number : 77-09-8
M. Weight : 318.33
Description : Yellowish White, Crystalline powder/amorphous powder.
Odour : Odourless 
Solubility : Soluble in ethanol & insoluble in water.
Melting Point : Melting Point : 258°C - 263°C
Heavy Metals : NMT 20ppm
Sulphated Ash : NMT 0.1%
Loss on Drying : NMT 1.0%
Assay : Limit 98% - 102%
Melting Point : 258°C to 263°C
Lead : Limit 0.001%
Sulphated Ash : 0.1% max
Loss on Drying :  not more than 1.0% of its weight.
Assay : 98.0% to 102% of C20H14O4 calculated on dried basis
Use : Laxative, Cathartic

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PHENOLPHTHALEIN WHITE
Mol. Formula : C20H14O4
Mol. Wt : 313.31
Chemical Name : 3,3-BIS (4-Hydroxyphenol) Phthalide
Descriptions : White or yellowish white crystalline powder, 
Odour : Odourless
Solubility : Insoluble in water, soluble in ethanol & ether
Melting Point : 258°C to 263°C
Lead : Limit 0.001%
Sulphated Ash : 0.1 Max
Loss on Drying : not more than 1.0% of its weight
Assay : 98.0% to 102% of C20H14O4 calculated on dried basis
Use : Laxative, Cathartic

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YELLOW PHENOLPHTHALEIN 
Formula : C20H14O4
CAS Number : 77-09-8
Mol. Wt. : 318.33
Description : Pale yellow coloured powder
Solubility : Passes
Colour of Solution : Passes
Melting Temperature : NLT 255°C
Chromatographic Purity : NMT 6.0%
Loss on Drying : NMT 1.0%
Residue on ignition : NMT 0.1%
Heavy Metals : NMT 0.0015%
Arsenic : Passes
Assay : Limit : 93% - 100% on D.B.
Application : Laxative

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