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Postion:Product Catalog >API>Digestive system drugs>Laxatives and Antidiarrheal Medicines>Phenolphthalein
Phenolphthalein
  • Phenolphthalein
  • Phenolphthalein
  • Phenolphthalein
  • Phenolphthalein
  • Phenolphthalein

Phenolphthalein

Price Get Latest Price
Package 1Kg/Bag 25Kg/Bag 100Kg/Bag
Min. Order: 2Kg/Bag
Supply Ability: 20 tons
Update Time: 2024-11-27

Product Details

Product Name: Phenolphthalein CAS No.: 77-09-8
EC-No.: 201-004-7 Min. Order: 2Kg/Bag
Purity: 0.99 Supply Ability: 20 tons
Release date: 2024/11/27

 Product Information 

Article illustrationArticle illustration

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 Name:PhenolphthaleinSynonyms:.alpha, alpha.-Di(p-hydroxyphenyl)phthalide;1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxyphenyl)-;1(3H)-Isobenzofuranone,3,3-bis(4-hydroxyphenyl)-;2,2-bis(p-hydroxyphenyl)phthalide;3,3-bis(4-hydroxyphenyl)-1(3h)-isobenzofuranon;alpha-(p-hydroxyphenyl)-alpha-(4-oxo-2,5-cyclohexadien-1-ylidine)-o-toluicacid;alpha-di-(p-hydroxyphenyl)phthalide;alpha-di(p-hydroxyphenyl)phthalideCAS:77-09-8MF:C20H14O4MW:318.32EINECS:201-004-7Product Categories:API;Chemistry;Furan&Benzofuran;Analytical Chemistry;Indicator (pH);pH Indicators;Indicator Solutions;Indicators;Titration;Indicator SolutionsStains and Dyes;P;Stains&Dyes, A to;Phthalein;77-09-8Mol File:77-09-8.molArticle illustration


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 PointIt melts at about 260°C-262°C261°C ~262°C
IdentificationA:Positive
B:Positive
A:Positive
B:Positive
Appearance of solutionThe solution is clear and not more intensely coloured than reference solution Y7Complies
Related substancesLess than 0.01%<0.01%
Heavy metalsNot more than0.001%<0.0009%
Acidity or alkalinityCompliesComplies
ChloridesNot more than 0.01%<0.01%
SulphatesNot more than 0.02%<0.02%
Loss on dryingNot more than 0.5%0.12%
Sulphated ashNot more than 0.1%0.01%
Assay98.0%-101.0%(C20H14O4)99.6%
Storage condition:Store in well closed drums, in cool and dry storage area.


Packing & Shipping 

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Company profile 

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Company Profile Introduction

Sinoway Industrial co., ltd. was established in 1987 in Xiamen, China, and now has been a leading group specialized in research, development, custom manufacturing and trading of pharmaceutical intermediates, APIs, health and food supplements, cosmetic raw materials, herbal extracts, polypeptides and prostaglandin derivatives, etc.. We have passed ISO9001:2015. With qualified products, competitive price and excellent service, we have received great reputation of our customers from all over the world, including Southeast Asia, Europe, North America, South America, Middle East and other countries. We have over 20 years good partners in Japan、Korea and Switzerland. Sinoway has a professional R&D team. We have built close cooperative relationships with many research institutes and universities in China. Moreover, Sinoway combines market analysis with technology, providing new business trends to our clients. In addition, we have very close cooperation relationships with many Chinese pharmaceutical factories. These pharmaceutical manufacturers have GMP regulated workshops, advanced production and testing equipments, first-class QC labs and a production team with rich experience. We can supply various Active Pharmaceutical Ingredients and finished products which meet EP/USP/BP standards. Chinese GMP, EU-GMP, COS/CEP certificates with DMF documents are available, and many products have been approved by FDA. We believe that quality and innovation are vital for an enterprise. Adhering to the business philosophy of integrity and win-win cooperation, Sinoway is looking forward to have a bright future with you together.

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