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High Quality Phenolphthalein CAS No. 77-09-8
| Price | $12.00 |
|---|---|
| Min Order | 500 kg |
| Availability | In Stock |
| Shipping From | Hebei, China |
| Popularity | 367 people viewed |
Model NO.:
Phenolphthalein
CAS No.:
77-09-8
Formula:
C20h14o4
EINECS:
201-004-7
Classification:
Organic Analytical Reagents
Grade:
Cp2005, Bp2007, USP23, Ep6
Specific Usage:
For Biological Purpose, For Tissue Medium Purpose, For Microbiological, For Microscopic Purpose, For Electron Microscopy, For Lens Blooming, Technical Grade, Pratical Use, Pro Analysis, Super Special Grade, For Synthesis, For Electrophoresis Use, For Refractive Index
Content:
99.8%-101%
Usage:
Laboratory Reagents, Analytical Reagents, Diagnostic Reagents, Teaching Reagents, Lose Weight
Source:
Chemosynthesis
Habit Appellation:
Chemical Medicine
Application:
Industry, Scientific Research, Health, Environmental Protection, Agriculture, Food Additive
Property:
Organic Reagent
Color Range of Indicator:
8.2-10.0
Trademark:
SHANYU
Transport Package:
Fiber Can
Specification:
10kg, 25kg
Origin:
China
HS Code:
293229100
Product Description
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.
Product Spesfication
Product Spesfication
| 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. | |
Company profile
ShanYu is committed to the production and supply of high-quality raw materials used in Plant Nutrition,Cosmetics and personal care Pharmaceutical,Food and other industries,changing the word and our life.
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