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Diphenylphosphinic acid

BGC Id:250588260912
CAS No:1707-03-5
Synonyms:aurora ka-1519 ; bis(phenyl)phosphinic acid ; diphenylphosphonic acid ; phosphinic acid, diphenyl- ; diphenylphosphinicacid ; diphenylphosphine acid ; diphenylphosphinic acid ; diphenyl-phosphinicaci ; diphenylphosphinic acid,99% ; diphenylphospinic acid
Molecular Formula:C12H11O2P
Molecular Weight:218.19
EINECS:216-948-5
Structural Formula

Verified providers in 2025

The following 23 notable providers have been checked and can be recommended.
Chemical-Suppliers
Shandong Chuangying Chemical
Appearance   White crystalline powder
Solubility   A clear colorless transparent
Melting point (℃ )   191~194
Purity %   ≥ 99.50
Water content %
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Chemical-Suppliers
Xiamen Hisunny Chemical
  • Molecular Formula : C12H11O2P
  • Chemical-Suppliers
    Zehao Industry
    Purity 98% min
    MP 192-194℃
    Appearance White crystalline powder

    Chemical-Suppliers
    BLD Pharmatech
    Smile code: O=P(C1=CC=CC=C1)(C2=CC=CC=C2)O MDL Number: MFCD00002132 Purity : 98% Available in stock: 17460 g
    Chemical-Suppliers
    Leap Chem
    Molecular Formula: C12H11O2P Molecular Weight: 218.19 WGKGermany: 3 HS Code: 29310095

    The last intensive check and update was carried out on 2025/09/17.

    Identify

    Synonyms:
    aurora ka-1519 ; bis(phenyl)phosphinic acid ; diphenylphosphonic acid ; phosphinic acid, diphenyl- ; diphenylphosphinicacid ; diphenylphosphine acid ; diphenylphosphinic acid ; diphenyl-phosphinicaci ; diphenylphosphinic acid,99% ; diphenylphospinic acid
    CAS:
    1707-03-5
    EINECS:
    216-948-5
    Molecular Formula:
    C12H11O2P
    MDL:
    MFCD00002132

    Properties

    Molecular Weight:
    218.19 g·mol−1
    Melting point:
    193-195 °C(lit.)
    Physical Description:
    white fine crystalline solid
    download Download Molfile

    Suppliers

    Shandong Chuangying Chemical Co., Ltd.

    Shandong Chuangying Chemical Co., Ltd. is located in the new material trading center of Tianqiao District, Jinan City, Shandong Province. It mainly deals in acrylates, alcohols, phenenes, ethers, esters, alkanes, amines, plasticizers, resins and emulsions. Chemical products such as chemicals, and established long-term and stable cooperative relations with many manufacturers and agents. Shandong Chuangying Chemical Co., Ltd. has a full range of products at reasonable prices. We provide 2-Methyl-3-(3,4-methylenedioxyphenyl)propanal as well. T ...
    Country: P.R.China   Phone: +86 18853181302  

    Simagchem Corporation

    Company type: Bulk chemical producer
    Country: P.R.China
    Phone: +86 592 2680 277
    Telefax: +86 592 2680 237
    Your partner in China for chemicals business. We are seller of 2-Iodobenzenesulfonyl chloride. Expertize in supplies and sources of fine, specialty, pharmaceutical chemicals and intermediates. WE offer high quality products and JIT services with instant market intelligence in China, custom synthesis in our 3 production sites, famous principals as Brenntag, Univar,S inopec, Grace, Petrobras, DKSH, Formitex, Evonik, Merck, TCI, Sanofi, Chemo with creditable reputation and business cooperation.

    Xiamen Hisunny Chemical Co., Ltd.

    Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop producing and selling high quality intermediates, Fine chemicals and Specialty Chemicals. Xiamen Hisunny Chemical Co., Ltd. also offers 2,3-Dichloro-5-nitropyridine. We could give you: 1.Best quality in your requirement 2.Competitive price in China market 3.mature Technical support 4.Professional logistic support All we want is win-win business. Send yr. inquiries, you will get it!
    Company type: Leading producer
    Country: P.R.China
    Phone: +86-592-3327115
    Telefax: +86-592-5823596

    Sancai Industry Co.,Ltd.

    Company type: Leading producer
    Sancai Industry is involved in supplying of fine chemicals, food and nutrition,personal care, medical intermediate etc, We can also customize chemicals for our customers.Taking advantage of innovative technology and excellent talents and through over 15 years of development,We have stabled good relation with clients in and abroad. In order to be competitive on the market. We have established the global marketing network, independent research center, testing center, and key ...
    Country: P.R.China   Phone: +86-531-88913079   Telefax: +86-531-88913079

    Shandong Lanhai Industry Co.,Ltd.

    Company type: Producer
    Country: P.R.China
    Phone: +86-15953182965
    Shandong Lanhai Industry Co., Ltd established in 2015. Additionally Dichloro(methyl)propylsilane is supplied by us. The headquartered located in the beautiful Spring city Jinan. The company's factory is located in Coal Chemical Industrial Park, Juye County, Heze City Shandong province.Lanhai Industry is a high-tech enterprise in Shandong Province. The company integrates science, industry and trade, specializing in the research, development, production and operation of fluorosilicone products, OLED intermediates and agricultural fertili ...

    H&Z Industry Co.,Ltd

    H&Z Industry Co.,Ltd is a large reliable and professional manufacturer of chemical materials and pharmaceutical intermediate. H&Z Industry Co.,Ltd also offers Bismuth subnitrate. With about 10 years experiences in this field, now we are a capable provider of customized product, and we can provide gram level to ton level of products. What we can give to customers: thoughtful services, high-quality products, competitive price, Looking forward building long-term cooperative relationships with our business partners.
    Country: P.R.China
    Phone: +86 13583185792
    Telefax: +86 531 88905468

    Xingrui Industry Co., Limited

    Company type: Leading producer
    Xingrui Industry CO., LTD. is a professional manufacturing enterprise integrating R&D, production and sales. Xingrui Industry Co., Limited also offers Hyoscyamine sulfate. The products involved fine chemicals, pharmaceutical intermediates, dye intermediates, cosmetic raw materials and so on. The company is ranked among the outstanding producers in the fine chemical industry. Xingrui Industry always strive to be the most reliable partner of our customers, and strive to build a customer-trusted, socially respected, world-class fine chemi ...
    Country: P.R.China   Phone: +86-531-88980365   Telefax: +86-531-88980365

    Lori Industry Co., Ltd

    Company type: Bulk chemical producer
    Country: P.R.China
    Phone: +86-13011713125
    Telefax: +86-13011713125
    Lori industry Co., Ltd was established in 2002 years. It is a large-scale manufacturer integrating R&D, produce and sales. Our products mainly cover fine chemicals, organic intermediates, biological buffers, agricultural fertilizers and other chemicals . Lori Industry Co., Ltd is a seller of Ammonium polysulfide solution. Among them, the sales proportion of organic chemicals and agricultural fertilizers is at the forefront of the domestic market. From 2013 to 2022 years, through cooperation with foreign trade companies, customers visitation, ...

    Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd)

    Hangzhou Meite Industry Co., Ltd. is an international high-tech enterprise founded in 1998, specialized in R&D and manufacture on intermediates, medicines, agrochemical, dyestuff, flavor, fragrance, cosmetic, natural extracts series products. We have an efficient R&D centre, get a strong technical support from Zhejiang University of Technology and Institute of Chemistry, Wuhan Branch, Chinese Academy of Sciences. Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd) also offers 2,5-Difluoro-4-methylbenzonitrile. Our factory Hangzhou Meite Chemical Co.,Ltd. is located in Fi ...
    Company type: Producer
    Country: P.R.China
    Phone: +86 571 88026825
    Telefax: +86 571 88282557

    Zehao Industry Co., Ltd.

    The Shepherd Chemical Company was founded in Norwood, Ohio, in 1916. We are a fourth-generation company and a custom manufacturer of Inorganic Metal Salts and Organic Metal Compounds to the global marketplace. Our long-standing success is built upon technical expertise, supplier reliability, and customer relationships. Our goal is to supply the marketplace with high quality metal compounds as standard or customized products. We sell Methyl 2-amino-5-bromobenzoate as well. Our capabilities are comprised of our manufacturi ...
    Country: P.R.China   Phone: +86-531-88909322   Telefax: +86-531-88909322

    Dayang Chem (Hangzhou) Co.,Ltd.

    Company type: Leading producer
    Country: P.R.China
    Phone: +86-571-88938639
    Telefax: +86-571-8893-8652
    Hangzhou DayangChem Co. Ltd is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates as well as some special type reagents. We have an own factory and share enterprises. We are supplier of Ethyl 3-(benzobthiophen-2-yl)-3-oxo-propanoate. We act also as agent of many chemical factories and promote their products to the international market at very competitive price. We take "Credi first, Clients supreme" as our aim. We expect to cooperate with more partners in ...

    Nantong Xindao Biotech Ltd

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    Company type: Leading producer
    Country: P.R.China
    Phone: +86 19033786557

    Hangzhou Lingrui Chemical Co., Ltd.

    Company type: Producer
    Established in 2010, located in Hangzhou Qinglan science park, lingruichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. In our R&D centre, we have a staff of skilled and experienced research chemists. This has enabled us to meet the special requirements of our customers and it has enabled us to provide quality products at competitive prices. Additionally 4-Methylpent-4-en-2-ol is supplied by us. Lingrui’s credo is committed to your reliable business partne ...
    Country: P.R.China   Phone: +86-571-88092529   Telefax: +86-571-87334908

    Capot Chemical Co., Ltd.

    Company type: Leading producer
    Country: P.R.China
    Phone: +86-571-85586718
    Telefax: +86-571-85864795
    Welcome to Capotchem • Established in 1996 ,Capot Chemical Co.,Ltd is a fine organics manufacturing facility which located in Hangzhou,P.R.China. Additionally 2,3,4-Trifluoroanisole is supplied by us. We produce a wide range of organics, especially fluorine, boronic acids, amino acids, unnatural amino acids, peptide, cross linkers, organocatalysts, chiral building blocks, heterocyclic compounds and other active pharmaceutical ingredients compounds. We are certified to the ISO 9001:2000 Standards, have a safety management syste ...

    Carbone Scientific Co., Ltd.

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    Company type: Supplier
    Country: U.K.
    Phone: +44 (0)203 769 4441 ext 1
    Telefax: +44 (0)203 769 4441 ext 2

    Shandong SanYoung Industry Co., Ltd

    Shandong SanYoung Industry Co., Ltd is a scientific and technological company specializing in research and development, cooperative production and sales of chemical products. 3,5-Dichloro-4-methylaniline is also served by Shandong SanYoung Industry Co., Ltd. The company's main products include: photoinitiator; light stabilizer; polymer retardant; ultraviolet absorbent; fine chemical products and pharmaceutical intermediates, we can also customize chemicals for our customers. Our company has a large number of customers with good reputation at home and abroad, ...
    Country: P.R.China   Phone: +86 155-64526813   Telefax: +86 531-56897532

    Xiamen Equation Chemical Co.,Ltd

    Company type: Bulk chemical producer
    Country: P.R.China
    Phone: +86 592 6515854
    Telefax: +86 592 6515854
    Welcome to Equation chemical, your reliable partner in China as an important supplier of bulk specialty chemicals for industry & life science. We are committed to provide experienced high quality product and JIT performance to benefit our customers. We provide Dimethyl trisulfide as well.

    AK Scientific, Inc.

    AK Scientific provides fine chemicals and advanced intermediates to our customers worldwide. We supply our chemical product 3'-(Methoxycarbonyl)[1,1'-biphenyl]-4-carboxylic acid. Currently, we have over 16.000 in stock, ready to ship products, at our California warehouse and this number is increasing weekly. All these products are stocked in multiple, convenient, sizes to fit your specific needs. Purchases are shipped on the same day your order is placed (before 4PM, Pacific Time) to ensure on-time delivery. AK Scientific products can be searched by Name (or ...
    Company type: Supplier
    Country: USA
    Phone: +1 (510) 429-8835
    Telefax: +1 (510) 429-8836

    BLD Pharmatech Ltd

    Company type: Supplier
    Founded in 2014 and headquartered in Shanghai, China, BLD Pharmatech Ltd. with more than 600,000 items, scale up manufacture and custom services is a leading manufacturer and supplier of diversified research chemicals in the industry. We supply our chemical product 4,4'-(Perfluoropropane-2,2-diyl)bis(1,2-dimethylbenzene). Our considerable stock of a wide range of laboratory chemicals, from heterocycles, boron acids, amino acids, metal catalysts to chiral compounds, is ready for worldwide shipping. The ISO certifications and DUNS registration are our testimonie ...
    Country: P.R.China   Phone: +86-21-61629022   Telefax: +86-21-50201702

    Leap Chem Co., Ltd

    Company type: Bulk and laboratory supplier
    Country: P.R.China
    Phone: +852-30606658
    LEAPChem, a specialized fine chemicals supplier for research, development and production. LEAPChem provides nearly 50,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities. As a highly customer-oriented enterprise, we are committed to providing high-quality customer services and products to our global customers in a cost-effective and efficient manner. Our client list includes many major pharmac ...

    Skyrun Industrial Co., Ltd.

    Skyrun Industrial Co.Limited, established in 2003, a state-controlled company (By Skyrun Corp. & High Hope) in China, specializing in developing, producing and handing raw pharmaceutical material and intermediates. We have expanded a compositive entity from initially only as a small manufacturer. We have extensive knowledge of domestic and international pharmaceutical markets. Additionally 2,3-Dihydroxynaphthalene is supplied by us. Our working range can be start from small amount in research stage to big bulk for industrial produc ...
    Company type: Leading producer
    Country: P.R.China
    Phone: +86-576-84015261
    Telefax: +86-576-84015261

    BIOZOL Diagnostica Vertrieb GmbH

    Company type: Supplier of chemical products
    Chemos®, a subsidiary of BIOZOL Diagnostica Vertrieb GmbH, is a leading supplier of ready to use solutions for the lab and chemical industry. We are producing reagents and standards for the analytical lab and supplying raw materials for the chemical and pharmaceutical industry. The base of our solutions are a portfolio of ~ 200.000 raw materials where ~ 50.000 are already available for R+D ready to order in our shop. We sell Barnidipine hydrochloride as well. We are supplying and producing lab quantities from tiny qua ...
    Country: Germany   Phone: +49-871-966346-0   Telefax: +49-871-966346-13

    BuGuCh & Partners

    Company type: Producer
    Country: Germany
    We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing. We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures. We maintain independently or are partners of some production sites in Europe, Asia and South America. Our global network is a strength. Our products range from natural gas, oil and basic chemi ...

    Safety Information

    Hazard Classes:
    Risk Codes:
    36/37/38 (R)
    Safety Codes:
    22-24/25 (S)
    WGK Germany:
    3
    RTECS:
    SZ5315000

    What other providers are available for CAS 1707-03-5?

    In addition to the providers presented here for Diphenylphosphinic acid with the CAS number 1707-03-5, there are other 1 providers with slightly different product names available for this CAS number.

    +1 additional providers that we know from the past




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