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77-09-8 Phenolphthalein

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US $1 - 20 / Kilogram | 1 Kilogram/Kilograms (Min. Order)
Supply Ability:
500 Metric Ton/Metric Tons per Year
Port:
Shanghai, Tianjin, Qingdao
Seller Support:
Payment protection
On-time shipment
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Quick Details

CAS No.:
77-09-8, 77-09-8
Other Names:
Phenolphthalein
MF:
C20H14O4
EINECS No.:
201-004-7
Place of Origin:
China (Mainland)
Purity:
CP/BP/USP, Indicator grade
Classification:
General Reagents
Brand Name:
sunwisechem
Model Number:
CP/BP/USP, Indicator grade
Product name:
Phenolphthalein
Synonyms:
3,3-Bis(4-hydroxyphenyl)phthalide
Molecular Weight:
318.33
Appearance:
White powder
Melting point:
about 260℃
Related Substances:
0.5% max
Heavy Metals:
10ppm max
Loss on Drying:
0.5% max
Assay:
98.0-101.0%(C20H14O4)

Packaging & Delivery

Packaging Details: Packing in 25kgs ent cardboard drum for 77-09-8 Phenolphthalein
Delivery Detail: prompt for 77-09-8 Phenolphthalein

Phenolphthalein

Density 1.299

Melting point 258-263 ºC

Water solubility <0.1 g/100 mL

 

Product Name       Phenolphthalein

 

Identification

Synonyms             2-[Bis(4-hydroxyphenyl)methyl]benzoic acid; 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone; 3,3-Bis(4-hydroxyphenyl)phthalide

Molecular Formula   C20H14O4

Molecular Weight   318.33

CAS Number           77-09-8

EINECS/ELINCS       201-004-7

 

Properties

Appearance  white powder

Melting Point258-263ºC

Density       1.299 g/cm3

Solubility     <0.1 g/100ml

Stability       stable under ordinary conditions

 

 

Specification

 

Items

Specifications

Characteristics

White powder

Identification

A: Positive

B: Positive

Appearance of Solution

The Solution Is Clear And Not More Intensely Coloured Than Reference Solution Y7

Melting Point

It melts at about 260℃

Related Substances

0.5% max

Heavy Metals

10ppm max

Acidity or Alkalinity

Complies

Chlorides

100ppm max

Sulphates

200ppm max

Loss on Drying

0.5% max

Sulphated ash

0.1% max

Assay

98.0-101.0%(C20H14O4)

 

 

 

 

 

Application

 

Phenolphthalein is one of the most widely used indicators. It is also used as pharmaceutical raw material.

 

 

 

Packing and Storage

 

Packing In 25kgs cardboard drum.

 

Storage Keep container tightly closed in a dry and well-ventilated place.

 

 

 

Safety Information

Non-hazardous for air, sea and road freight.

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Trade Assurance
China (Mainland) | Trading Company
Transaction Level:
Supplier Assessments:
2 Transactions 10,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
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