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Phenolphthalein CAS 77-09-8 33-BIS P-HYDROXYPHENYL PHTHALIDE 

Payment Terms: T/T,WU 
Place of Origin: Shandong, China (Mainland) 
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Product Detail

Means of Transport: Ocean,Land,Air
Packing: According to the customer r...
Brand Name: MOSINTER
Molecular formula: C20H14O4
flash ( ing ) point: 299.7℃
Boiling point: 548.7°C at 760 mmHg
Flashing point: 299.7°C
Storage condition: Stable. Incompatible with s...
Production Capacity: 500 Ton/Year
Delivery Date: within 7 days
CAS No.: 77-09-8
Molecular weight: 318.32 g/mol
Vapour pressure: 7.12E-13mmHg at 25℃
Melting Point: 258-263℃
Water solubility: <0.1 g/100 mL

Phenolphthalein is a kind of weak organic acid.

Phenolphthalein (CAS: 77-09-8)

 

Item

Index

Appearance

White   crystals

Melting point ℃

258-263

Boiling point

Past   test

Flash point

Past   test

Water solubility (g/100 ml) <

0.1


Physical property


phenolphthalein is a white small triclinic crystal and Stability in the air.Insoluble in water and Insoluble in benzene or hexane, very soluble in ethanol and ether, slightly soluble in DMSO.

Chemical property

Phenolphthalein in acidic solution is colorless and in alkaline solution is amaranth.

Below is showed in alkaline and acidic solutions

Functions

Phenolphthalein is a kind of weak organic acid.When the solution pH less than 8.2,it is a colorless lactone type structure.When the pH > 8.2 for red quinoid structure.Phenolphthalein color range from 8.2 to 10.0, so the phenolphthalein can only inspection alkaline not acid test.

Main application

1.The pharmaceutical industry pharmaceutical raw materials:Drug aperient,can stimulate the intestinal wall, and causing intestinal peristalsis promoting defecation.

2.Used in organic synthesis:Mainly used for synthesis of plastic,especially the synthesis of dinitrogen miscellaneous naphthalene poly (aryl ether ketone ketone polymer poly)aryl ether ketone.The polymers have excellent heat resistance,waterproof,corrosion resistance,ageing resistance and good formability.Made of fiber, coating and its composite materials is widely applied in many areas, such as electronic appliances, mechanical equipment, transportation, aerospace, nuclear engineering and military and other fields.

3.Used for alkali indicator:Nonaqueous solution titration indicator, chromatographic analysis reagent.

Storage transport

Sealed storage

Package:According to the customer request



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Company Info

MOSINTER GROUP LIMITED [China (Mainland)]

Offline Showroom in USA

Business Type:Manufacturer, Trading Company
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

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