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Phosphorous acid

BGC Id:160051877778
CAS No:10294-56-1
Synonyms: phosphorous acid ; phosphorou acid ; phosphorous acid 50% aqueous solution
Molecular Formula:H3PO3
Molecular Weight:81.99
EINECS:233-663-1
Structural Formula

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The following 15 notable providers have been checked and can be recommended.
Chemical-Suppliers
Shandong Chuangying Chemical
Appearance   Colorless crystal powder
Main Content(based on H3PO3 ) (%)   ≥ 99.0
Chloride Content(based on CL) (%)   ≤ 0.001
Iron Content(based on Fe) (%)   ≤ 0.0005
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Chemical-Suppliers
Zehao Industry
Assay:99.0%min
Chemical-Suppliers
Leap Chem
Molecular Formula: H3O3P Molecular Weight: 82 Hazard Symbols: C UN Number: UN 2834 8/PG 3 WGKGermany: 1 PackingGroup: III HS Code: 28092019

The last intensive check and update was carried out on 2025/07/31.

Identify

Synonyms:
phosphorous acid ; phosphorou acid ; phosphorous acid 50% aqueous solution
CAS:
10294-56-1
EINECS:
233-663-1
Molecular Formula:
H3PO3
MDL:
SMILES:
CC1=C2C(C(=O)C3(C(CC4C(C3C(C(C2(C)C)(CC1OC(=O)C(C(C5=CC=CC=C5)NC(=O)C6= CC=CC=C6)OC(=O)C)O)OC(=O)C7=CC=CC=C7)(CO4)OC(=O)C)O)C)OC(=O)C

Properties

Molecular Weight:
81.99 g·mol−1
Solubility:
Soluble in water, and alcohol.
download Download Molfile

Suppliers

S. Goldmann GmbH & Co KG

As a trading enterprise S. Goldmann is the exclusive representative on the German and European market for a multitude of international manufacturers of speciality chemicals and dyes. Nitrilotriacetic acid trisodium salt 1-hydrate también es servida por S. Goldmann GmbH & Co KG. It offers a wide range of products for many different branches of industry. Being a vital link between customers and international suppliers S. Goldmann is instrumental in both solving customer-specific problems and meeting the specific objectives of the suppliers. Due to the diversity of longst ...
País: Germany   Teléfono: +49-(0)521-93 278 0   Fax: +49-(0)521-93 278 25

Shandong Chuangying Chemical Co., Ltd.

País: P.R.China
Teléfono: +86 18853181302
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. también ofrece Chlorosulfonated polyethylene. Shandong Chuangying Chemical Co., Ltd. has a full range of products at reasonable prices. T ...

INNOCHEM

INNOCHEM is an ISO 9001 certified company specialized in the worldwide marketing of chemical specialties for a wide range of industries. Suministramos nuestros productos 1,1,1,3,3,3-Hexamethyldisilazane sodium salt química. From our offices in Belgium, France, Germany, the Netherlands and USA and through our network of contacts in the Far East we are serving our customers with high quality sourcing at competitive prices.
Tipo de compañía: Bulk chemical supplier
País: Belgium
Teléfono: +32-14-301134
Fax: +32-14-301109

Refine Chemical Co.,Ltd.

Tipo de compañía: Producer
Refine Chemical Co.,Ltd. is a manufacturer and exporter for chemical material. We have diversified activities in R&D, application development, production, sales and also trading. Vendemos Isoquinoline también. Our factory was established in September of year 2000 with total area 150,000 square meters, we specialize in the business of organic intermediate, daily chemical, chemical additive, and fine chemicals. Our company has passed ISO9001, ISO14001 quality and environmental management system certification ...
País: P.R.China   Teléfono: +86 15665752805   Fax: +86 15665752805

OPQ Chemical Co., Ltd

Tipo de compañía: Producer
País: P.R.China
Teléfono: +86-17615852982
OPQ Chemical is a high tech enterprise,located in China Spring city(Jinan).Mainly engages in the development and production of phenolic and quinones,additive agents, dying stuffs, and pesticide intermediates,and also has been involved in other fine chemicals,cosmetic raw materials etc.And actively practices the business philosophy of "MY heart, let you feel more assured". OPQ has international advanced production technology and equipment, the company's marketing network thro ...

U-Chemo Scientific (Shanghai) Co.,Ltd.

U-Chemo Scientific(Shanghai) Co.,Ltd is specialized in chemistry and chemical supply chain since founded in 2008. After more than 10 years’ development, U-Chemo is now a main supplier of the insect pheromones, pharmaceutical intermediates, cosmetic ingredients, fertilizers & some pesticides. U-Chemo also offer outsourcing services for raw materials Made-In-China. U-Chemo Scientific (Shanghai) Co.,Ltd. es un vendedor de Cyhalofop. Now U-Chemo owns a key lab in Shanghai and two cooperate factories with excellent facilities. Our Customers ...
Tipo de compañía: Producer
País: P.R.China
Teléfono: +86-21 58 38 03 26
Fax: +86-21 58 38 03 26

Sancai Industry Co.,Ltd.

Tipo de compañía: 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 ...
País: P.R.China   Teléfono: +86-531-88913079   Fax: +86-531-88913079

H&Z Industry Co.,Ltd

País: P.R.China
Teléfono: +86 13583185792
Fax: +86 531 88905468
H&Z Industry Co.,Ltd is a large reliable and professional manufacturer of chemical materials and pharmaceutical intermediate. Vendemos Tetramethylammonium hydroxide (aqueous solution) también. 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.

Xingrui Industry Co., Limited

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Tipo de compañía: Leading producer
País: P.R.China
Teléfono: +86-531-88980365
Fax: +86-531-88980365

Lori Industry Co., Ltd

Tipo de compañía: Bulk chemical producer
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 . Además Ethyl 3-hydroxybutyrate es suministrada por nosotros. 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, ...
País: P.R.China   Teléfono: +86-13011713125   Fax: +86-13011713125

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

Tipo de compañía: Producer
País: P.R.China
Teléfono: +86 571 88026825
Fax: +86 571 88282557
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. Vendemos 3,5-Diamino-4-chlorobenzotrifluoride también. Our factory Hangzhou Meite Chemical Co.,Ltd. is located in Fi ...

Zehao Industry Co., Ltd.

The Shepherd Chemical Company was founded in Norwood, Ohio, in 1916. Somos surtidor de 2,2,4-Trimethyl-1,3-pentanediol monoisobutyrate. 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. Our capabilities are comprised of our manufacturi ...
País: P.R.China
Teléfono: +86-531-88909322
Fax: +86-531-88909322

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. 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. Vendemos Methyl trifluoro ethyl carbonate también. Our company has a large number of customers with good reputation at home and abroad, ...
País: P.R.China   Teléfono: +86 155-64526813   Fax: +86 531-56897532

Skyrun Industrial Co., Ltd.

Tipo de compañía: Leading producer
País: P.R.China
Teléfono: +86-576-84015261
Fax: +86-576-84015261
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. Suministramos nuestros productos Benzyl acetate química. We have extensive knowledge of domestic and international pharmaceutical markets. Our working range can be start from small amount in research stage to big bulk for industrial produc ...

Leap Chem Co., Ltd

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 ...
Tipo de compañía: Bulk and laboratory supplier
País: P.R.China
Teléfono: +852-30606658

Safety Information

Hazard Classes:
Risk Codes:
22-35 (R)
Safety Codes:
1/2-26-36/37/39-45 (S)
RID / ADR:
UN 2834





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