CAS No.: | 77-09-8 |
---|---|
Formula: | C20h14o4 |
EINECS: | 201-004-7 |
Type: | Pharmaceutical Intermediates |
Appearance: | Powder |
Quality: | Industrial |
Samples: |
---|
Customization: |
---|
Suppliers with verified business licenses
Basic Info.
Determination | 99.3% |
Habit Appellation | Chemical Medicine |
Application | Scientific Research, Environmental Protection |
Usage | Analytical Reagents, Diagnostic Reagents |
Property | Organic Reagent |
Origin | China |
Phennolphthalein
CAS NO. 77-09-8
Alias :2,2-bis(p-hydroxyphenyl)phthalide
3,3-bis(p-hydroxyphenyl)phthalide
alpha-di(p-hydroxyphenyl)phthalide
alpha-di-(p-hydroxyphenyl)phthalide
2-[bis(4-hydroxyphenyl)methyl]benzoic acid
Purity :98.0%-101.0%
Product Standard :Chinese Pharmacopoeia 2020 edition second; BP, USP
General specification:
[CAS No.] 77-09-8
[molecular formula] C20H14O4
[molecular weight] 318.323
[EINECS No.] 201-004-7
[Package] 25kg/drum
[Storage] Store in a cool, dry, ventilated place with sealed drum
Technical Specification:
Item |
Standard |
Characteristics |
A white to light yellow crystal or powder; odourless |
Solubility |
Soluble in ethanol, slightly soluble in ether, almost insoluble in water |
Melting Point |
Should be 260-263ºC |
Identification
|
(1)should be positive reaction |
(2)should be maximum absorption at 275nm and minimum absorption at 259nm. |
|
(3)Should be consistent with the IR control map |
|
he color of the ethanol solution |
The solution should be colorless or almost colorless |
Chloride |
It should comply with the provisions of the Chinese Pharmacopoeia 2020 edition |
sulphate |
It should comply with the provisions of the Chinese Pharmacopoeia 2020 edition |
foreign matter fluorane |
It should comply with the provisions of the Chinese Pharmacopoeia 2020 edition |
sensitivity |
It should comply with the provisions of the Chinese Pharmacopoeia 2020 edition |
Loss on drying |
≤1.0% |
Residue on ignition |
≤0.1% |
Heavy Metal |
No more than 10 of per million |
Content |
Should be 98.0%-101.0% |
Product Usage:
1. Pharmaceutical raw materials: pharmaceutical laxative, can stimulate the intestinal wall, cause intestinal peristalsis to promote defecation;
2. Used in organic synthesis: mainly used in the synthesis of plastics, especially the synthesis of diazanazone poly aryl ether ketone poly aryl ether ketone polymerization;
3. For alkali indicator: non-aqueous titration indicator, color layer analysis reagent.
Package & Storage:
25kg/drum
[Storage ] Store in a cool, dry, ventilated place with sealed drum
Contact us to get MOQ and free samples.
Name: | Carine |
Whatsapp: | 008618504053675 |
Email: | [email protected] |
Website: |
Suppliers with verified business licenses