Phenolphthalein CAS No. 77-09-8

• CAS No.: 77-09-8
• Formula: C20h14o4
• EINECS: 201-004-7
• Classification: Organic Analytical Reagents
• Grade: AR
• Specific Usage: For Biological Purpose
• Model NO.: phenolphthalein
• Content: Standard
• Usage: Laboratory Reagents
• Source: Imported Reagents
• Habit Appellation: Chemical Medicine
• Application: Environmental Protection
• Property: Inorganic Reagent
• Name: Phenolphthalein
• CAS: 77-09-8
• Mf: C20h14o4
• MW: 318.32
• Density: 1.299
• Transport Package: as Customers Request
• Trademark: SWC
• Origin: China
• Production Capacity: 20mts/Month

Product Description

Product Description

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

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 260ºC
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.

Frequently Asked Questions

Q1: May I get one sample before placing order?
Re: Yes, Sample are available. For normal products, samples are for free and you just need to bear the freight; 

For those high value products, you just need to freight and certain product cost. When we both cooperate for 

some times or when you are our VIP customer, free sample will be offered when you need.

Q2: Which payment is available for your company?
Re: T/T, L/C. You can choose the one which is convenient for you. 

Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.) or by air. Usually it will cost 3-5days that you can get the goods after delivery.For large quantity products,

shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on where the port is.

Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we'd like to use label or package according to your requirement. 

Q5: How can you guarantee the goods you offer is qualified? 
Re: We always believe honesty and responsibility are basis of one company, so whatever products we provide for you all are qualified. We will have goods tested and provide COA before delivery for sure.