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Phenolphthalein Indicator Powder Car Shampoo Phenolphthalein CAS 77-09-8
| Price | $13.50 |
|---|---|
| Min Order | 25 kg |
| Availability | In Stock |
| Shipping From | Hebei, China |
| Popularity | 420 people viewed |
Model NO.:
phenolphthalein
CAS No.:
77-09-8
Formula:
C20h14o4
EINECS:
201-004-7
Aldehyde:
Ester Ring Aldehyde
Aether:
Aliphatic Ethers
Hydroxybenzene:
Polyphenol
Ketone:
Saturated Ketone
Molecular Weight:
318.32300
Habit Appellation:
Fine Chemical
Specific Usage:
Chemical Medicine
Usage:
Laboratory Reagents
Application:
Laboratory
Classification:
Organic Analytical Reagents
Trademark:
SHANYU
Transport Package:
Fiber Can
Specification:
10kg, 25kg
Origin:
China
HS Code:
293229100
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.
| TEST ITEM: | SPECIFICATION: | RESULTS: |
| Characteristics: | A white or almost white powder, practically insoluble in water, soluble in alcohol. | A white powder, practically insoluble in water, soluble in alcohol. |
| Melting Point | It melts at about 260°C-262°C | 261°C ~262°C |
| Identification | A:Positive B:Positive | A:Positive B:Positive |
| Appearance of solution | The solution is clear and not more intensely coloured than reference solution Y7 | Complies |
| Related substances | Less than 0.01% | <0.01% |
| Heavy metals | Not more than0.001% | <0.0009% |
| Acidity or alkalinity | Complies | Complies |
| Chlorides | Not more than 0.01% | <0.01% |
| Sulphates | Not more than 0.02% | <0.02% |
| Loss on drying | Not more than 0.5% | 0.12% |
| Sulphated ash | Not more than 0.1% | 0.01% |
| Assay | 98.0%-101.0%(C20H14O4) | 99.6% |
| Storage condition: | Store in well closed drums, in cool and dry storage area. | |
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