一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

Welcome to chemicalbook!
+1 (818) 612-2111
RFQ
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

RFQ
skype
MY Account
Top
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: 2026-06-03

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: 2026/06/03

 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 

Article illustration

Article illustration

Company profile 

Article illustration

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.

You may like

Recommended supplier

Product name Price   Suppliers Update time
VIP6Y
WUHAN FORTUNA CHEMICAL CO., LTD
2026-06-05
$29.00
VIP6Y
TargetMol Chemicals Inc.
2026-06-02
$29.00
VIP2Y
TargetMol Chemicals Inc.
2026-06-02
$29.00
VIP4Y
TargetMol Chemicals Inc.
2026-06-02
$5.00
VIP5Y
Hebei Chuanghai Biotechnology Co,.LTD
2026-05-28
$18.00
VIP6Y
Baoji Guokang Healthchem Co., Ltd.
2026-05-15
$10.00
Hebei Chuanghai Biotechnology Co., Ltd
2026-03-20
$5.00
VIP4Y
Hebei Dangtong Import and export Co LTD
2026-02-25
$1.00
VIP7Y
Shaanxi Dideu Medichem Co. Ltd
2026-02-02
VIP7Y
Shaanxi Dideu Medichem Co. Ltd
2025-12-12
  • Since: 1996-07-16
  • Address: 16F,HUICHENG COMM,839 XIAHE ROAD,XIAMEN CHINA
INQUIRY
保德县| 永嘉县| 长寿区| 广安市| 台江县| 大安市| 高阳县| 独山县| 东安县| 阳高县| 台南市| 中方县| 内乡县| 普洱| 云安县| 海林市| 邛崃市| 阿拉善右旗| 八宿县| 分宜县| 德昌县| 德令哈市| 句容市| 济宁市| 桂东县| 洛浦县| 墨竹工卡县| 河间市| 长子县| 保康县| 龙州县| 山东省| 乌兰浩特市| 平谷区| 留坝县| 清远市| 慈溪市| 石嘴山市| 红河县| 临安市| 郯城县|