Pyrophosphoric acid CAS# 2466-09-3

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  • Appearance: Colorless acicular crystal or light yellow viscous liquid
  • Assay: 95. 0%min
  • Packaging: 25L/Drum.
  • Sample: Available
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Pyrophosphoric acid CAS# 2466-09-3
Pyrophosphoric acid CAS# 2466-09-3
Pyrophosphoric acid CAS# 2466-09-3
Pyrophosphoric acid CAS# 2466-09-3
Pyrophosphoric acid CAS# 2466-09-3

Pyrophosphoric acid : The Complete Guide

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Quality Control of Pyrophosphoric acid

Quality Control & MSDS
Chemical Structure
Pyrophosphoric acid CAS# 2466-09-3
Packing of Pyrophosphoric acid
Pyrophosphoric acid CAS# 2466-09-3
Pyrophosphoric acid CAS# 2466-09-3

Description of Pyrophosphoric acid

Pyrophosphoric acid, also known under the name diphosphoric acid, is colorless, odorless, hygroscopic and is soluble in water, diethyl ether, and ethyl alcohol. The anhydrous acid has two different forms, which melt at 54.3°C and 71.5°C. It is best prepared by ion exchange from sodium pyrophosphate or by reacting hydrogen sulfide with lead pyrophosphate. When phosphoric acid is dehydrated pyrophosphoric acid is produced as one of the products. When molten pyrophosphoric acid rapidly forms an equilibrium mixture of phosphoric acid, pyrophosphoric acid and polyphosphoric acids. The percentage by weight of pyrophosphoric acid is around 40% and it is difficult to recrystallise from the melt. In aqueous solution pyrophosphoric acid like all polyphosphoric acids hydrolyses and eventually an equilibrium is established between phosphoric acid pyrophosphoric acid and polyphosphoric acids. When highly diluted an aqueous solution of pyrophosphoric acid contains only phosphoric acid.
Pyrophosphoric acid is a medium strong inorganic acid. Anions, salts, and esters of pyrophosphoric acid are called pyrophosphates.
While pyrophosporic acid is corrosive, it is not known to be otherwise toxic.

Basic Info of Pyrophosphoric acid

Basic Info

Chemical Name

diphosphoric acid

Synonyms

Diphosphorsaeure;Pyrophosphoric Acid;phosphono dihydrogen phosphate;PPV;Pyrophosphorsaeure;Expand

CAS No.

2466-09-3

Molecular Formula

H4O7P2

Molecular Weight

177.97500

PSA

143.91000

LogP

-0.81160

 

Properties

Appearance & Physical State

colorless needle crystal or yellow viscous Liquid

Density

2.43 g/cm3

Melting Point

61ºC

Storage Condition

Keep tightly closed. Store in a cool dry place.

 

Numbering system

PubChem number

24867134

MDL number

MFCD00011343

RTECS number

JL6672500

 

Safety Info

RTECS

JL6672500

Hazard Class

8

Safety Statements

S26-S36/37/39-S45

HS Code

2809201900

WGK Germany

3

Packing Group

III

RIDADR

UN 3260

Risk Statements

R34

Hazard Codes

C

Hazard Declaration

H302; H314

Signal Word

Danger

Caution Statement

P280; P305 + P351 + P338; P310

Symbol

GHS05, GHS07

 

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What is Pyrophosphoric acid ?

With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Pyrophosphoric acid which has developed particularly rapidly in recent years. Do you know about Pyrophosphoric acid?

 

The official answer:Pyrophosphoric acid is an inorganic compound with the chemical formula H4P2O7. It is a colorless viscous liquid that crystallizes after a long period and is colorless and glassy. Pyrophosphoric acid has strong coordination, used as catalyst and concealing agent, etc.; used as catalyst, metal refining, stabilizer of organic peroxide. Used in the copper plating process to adjust the pH value of plating solution, also used in another plating.

What’s the application of Pyrophosphoric acid?

Used as a catalyst and concealing agent, etc.; used as catalyst, metal refining, stabilizer of organic peroxide. Used in the copper plating process to adjust the pH value of plating solution, also used in another plating.

Used as analytical reagents, such as as a masking agent, for the preparation of organic phosphate ester. Used in the copper plating process to adjust the pH of plating solution, also used in another plating.

Moisture retention agent, quality improver, pH adjuster, metal chelating agent.

Conclusion

Sincere to the customer and in good faith of quality is our forever followed motto. It’s the basement to be a human and do business. We take all responsibility for our products and service sincerely. We are a company integrating R&D, production, and sales. The design, research, and development of pharmaceutical intermediates including more than 330 kinds of pharmaceutical intermediates such as Anti-infectives, Cardiovascular and Cerebrovascular Systems, Digestive System, Santi-tumor, Nervous System, Geriatric Drugs, and Gynecological Drugs. At the same time, we have more than 4,000 factories in strategic cooperation with nearly 50,000 chemical products, so we can provide you with a one-stop purchasing service, which greatly saves customers’ procurement costs and time.

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Hi, I‘m Peter Ni, the founder of Sincere-Chem, I’ve been running a company in China that exporting chemicals, pharmaceuticals, and intermediates for over 70 countries now. And a range of 50,000 products with the best quality and competitive price to meet your different purchasing needs.

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United Kingdom Giles
United Kingdom Giles
Peter has been my partner for many years, we met at the Shanghai CPHI Fair in 2014, for the first time I didn't have much interest in Peter's products because our company had a stable supplier. Although we didn't work together, Peter would often send me important news and interesting trend information about the industry, so we became good friends, even though I didn't place any orders with him during this time, even if it was a sample order. In September 2016, our original supplier was unable to provide us with the quality and delivery guarantees we needed, so I first thought of Peter and his company. Until now, we have maintained a very good personal friendship in addition to a steady business relationship.
India Shikhar
India Shikhar
In all my years of sourcing from China, I first time to found that working with Sincere Chemical was so good, they helped me with all the production and delivery as well as a lot of technical expertise, which saved me a lot of time. When I first approached Peter for a quotation for Optical Brightener, he made me a detailed quotation with not only prices but also foreign trade details, company profile, company strengths, R&D capabilities, production capacity, packaging methods, raw material control, environmental protection, and much more. This information was a very important reference for me in making purchasing decisions. Sincere Chemical is a trustworthy supplier and I believe our business will grow from strength to strength!
Korea Kim
Korea Kim
Hi, I'm Kim, I'm Peter's partner and although I don't like him very much (because he never gives me more money for my prices, hahaha) I'm still willing to write him customer feedback. As an international buyer, I have to deal with a lot of things every day and my inbox is often full of development letters. It's a lot of junk and meaningless pleasantries, which I don't like that much, but Peter's emails always give me a better understanding of the product and the industry. I am also very pleased with his work ethic, and I am very happy with his work every time I work with him, not only in providing quotations but also in facilitating all the details of my work so that I can concentrate more on other things, so he is the best supplier for me. Although his prices are not the lowest among all suppliers, his products give me the greatest peace of mind.
USA Franklin
USA Franklin
Sincere Chemical team visited our USA factory in the year of 2017. We think highly of cooperation with them. We thanked you for the past excellent orders and best product quality. We also talked about some new products for future orders. We will be still in strategic cooperation in the future and help each other.
Canada Kate
Canada Kate
I just got the product. The quality is awesome. I’m very happy. Hope to place soon a new order in your company. Also wish for our future business.
Unilever
Unilever
Sincere Chemical is a reliable and professional company. Not only on exporting but also their professional team service. Their team gave us so many suggestions for our new project. We are really satisfied with their awesome service and best product quality. Sincere-Chem’s vendor code is 51465768 in our cooperated vendor list system.
Dupont
Dupont
I have visited Sincere Chemical company in the year 2018. Their company can be considered as one of the most professional, customer-focused, and product quality-driven companies that I have worked with in recent years.
Brazil Aline
Brazil Aline
We are a pharmaceutical products manufacturer in Brazil. I’m happy to cooperate with Sincere Chemical especially cooperate with Peter. Peter is patient and friendly. I’m satisfied with his 24*7 hours service. We are not only cooperators but also best friends with each other.
Mexico Gonzalo
Mexico Gonzalo
Great service and very supportive. This is my first order and I feel fortunate to be with Peter and his company. Product received was the right good quality product, so my review is more related with the quality, service and shipment. Thank you for sending. next time I will order again. Good supplier...

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