Product Description
Phenolphthalein appears as white or yellowish-white to pale orange fine crystalline powder. Odorless. Aqueous solution is acidic. Colorless to pH 8.5; pink to deep-red above pH 9. Colorless in presence of large amounts of alkali. Tasteless.Phenolphthalein is an organic compound used as a laboratory reagent and pH indicator. Phenolphthalein exerts laxative effects by stimulating the intestinal mucosa and constricting smooth muscles. However, phenolphthalein is no longer used as a laxative due to the suspected carcinogenicity of this compound.
Items Standard
Appearance White to slightly creamy white
hygroscopic powder or flakes
Identification A An orange yellow precipitate is formed
BA pale blue precipitate is formed
CA deep red colour is produced
PH1 in 20 3070
Water 50
Residue on ignition 01
Lead 10ppm
Aldehydes 005
Hydrazine 1ppm
Vinylpyrrolidone 02
2Pyrrolidone 30
Peroxidesas H2O2 400ppm
Kvalue 270324
AssayNitrogen 115128
TAMC 1000 cfug
TYMC 100 cfug
Staphylococcus Aureus Negative in 10g
Salmonella Negative in 10g
Pseudomonas Aeruginosa Negative in 10g
EColi Negative in 10g
Items Standard
Appearance "White to slightly creamy white,
hygroscopic powder or flakes"
Identification A. An orange -yellow precipitate is formed
B.A pale blue precipitate is formed
C.A deep red colour is produced
PH(1 in 20) 3.0~7.0
Water â?¤5.0%
Residue on ignition â?¤0.1%
Lead â?¤ 10ppm
Aldehydes â?¤0.05%
Hydrazine â?¤ 1ppm
Vinylpyrrolidone â?¤0.2%
2-Pyrrolidone â?¤3.0%
Peroxides(as H2O2) â?¤400ppm
K-value 27.0~32.4
Assay(Nitrogen) 11.5~12.8%
TAMC â?¤ 1000 cfu/g
TYMC â?¤ 100 cfu/g
Staphylococcus Aureus Negative in 10g
Salmonella Negative in 10g
Pseudomonas Aeruginosa Negative in 10g
E.Coli Negative in 10g
Items Standard
Appearance "White to slightly creamy white,
hygroscopic powder or flakes"
Identification A. An orange -yellow precipitate is formed
B.A pale blue precipitate is formed
C.A deep red colour is produced
PH(1 in 20) 3.0~7.0
Water â?¤5.0%
Residue on ignition â?¤0.1%
Lead â?¤ 10ppm
Aldehydes â?¤0.05%
Hydrazine â?¤ 1ppm
Vinylpyrrolidone â?¤0.2%
2-Pyrrolidone â?¤3.0%
Peroxides(as H2O2) â?¤400ppm
K-value 27.0~32.4
Assay(Nitrogen) 11.5~12.8%
TAMC â?¤ 1000 cfu/g
TYMC â?¤ 100 cfu/g
Staphylococcus Aureus Negative in 10g
Salmonella Negative in 10g
Pseudomonas Aeruginosa Negative in 10g
E.Coli Negative in 10g
Items Standard
Appearance "White to slightly creamy white,
hygroscopic powder or flakes"
Identification A. An orange -yellow precipitate is formed
B.A pale blue precipitate is formed
C.A deep red colour is produced
PH(1 in 20) 3.0~7.0
Water â?¤5.0%
Residue on ignition â?¤0.1%
Lead â?¤ 10ppm
Aldehydes â?¤0.05%
Hydrazine â?¤ 1ppm
Vinylpyrrolidone â?¤0.2%
2-Pyrrolidone â?¤3.0%
Peroxides(as H2O2) â?¤400ppm
K-value 27.0~32.4
Assay(Nitrogen) 11.5~12.8%
TAMC â?¤ 1000 cfu/g
TYMC â?¤ 100 cfu/g
Staphylococcus Aureus Negative in 10g
Salmonella Negative in 10g
Pseudomonas Aeruginosa Negative in 10g
E.Coli Negative in 10g
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