Tetrasodium pyrophosphate

Product Name: Tetrasodium pyrophosphate
CAS No.: 7722-88-5
Chemical Name: Tetrasodium pyrophosphate
Synonyms: pyrophosphate;TSPP;SODIUM DIPHOSPHATE DECAHYDRATE;Anhydrous sodium pyrophosphate;pyro;SODIUM TETRAPYROPHOSPHATE;sodiumpyrophosphate[na4p2o7];tetrasodiumpyrophosphate,anhydrous;Nsc56751;victortspp
CBNumber: CB3394942
Molecular Formula: Na4O7P2
Formula Weight: 265.902402
MOL File: 7722-88-5.mol

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Tetrasodium pyrophosphate Property

Melting point:: 80 °C
Boiling point:: 93.8 °C
Density: 2.53 g/mL at 25 °C(lit.)
vapor pressure: 0Pa at 20℃
storage temp.: Inert atmosphere,Room Temperature
solubility: H₂O: 0.1 M at 20 °C, clear, colorless
form: Granular
color: White
Specific Gravity: 2.534
Odor: Odorless
PH Range: 10.3
Water Solubility: Soluble in water. Insoluble in ethyl alcohol.
Sensitive: Hygroscopic
Merck: 14,9240
Exposure limits: NIOSH: TWA 5 mg/m3
Stability:: Stable. Incompatible with strong oxidizing agents.
InChIKey: FQENQNTWSFEDLI-UHFFFAOYSA-J
LogP: -3.42
CAS DataBase Reference: 7722-88-5(CAS DataBase Reference)
EPA Substance Registry System: Tetrasodium pyrophosphate (7722-88-5)

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Safety

Hazard Codes: Xi,Xn
Risk Statements: 36/37/38-41-22
Safety Statements: 26-36-39
OEB: B
OEL: TWA: 5 mg/m3
WGK Germany: 3
RTECS: UX7350000
TSCA: Yes
HS Code: 28353990
Hazardous Substances Data: 7722-88-5(Hazardous Substances Data)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H318Causes serious eye damage

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: P8010
Product name: Sodium pyrophosphate tetrabasic
Purity: ≥95%
Packaging: 500g
Price: $51.2
Updated: 2024/03/01

Sigma-Aldrich

Product number: P8010
Product name: Sodium pyrophosphate tetrabasic
Purity: ≥95%
Packaging: 2.5kg
Price: $225
Updated: 2024/03/01

Alfa Aesar

Product number: 013439
Product name: Sodium pyrophosphate, anhydrous
Purity: tech.
Packaging: 250g
Price: $39.8
Updated: 2024/03/01

Alfa Aesar

Product number: 013439
Product name: Sodium pyrophosphate, anhydrous
Purity: tech.
Packaging: 1kg
Price: $74
Updated: 2023/06/20

Alfa Aesar

Product number: A17546
Product name: Sodium pyrophosphate
Purity: 98%
Packaging: 250g
Price: $39.4
Updated: 2024/03/01

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Tetrasodium pyrophosphate Chemical Properties,Usage,Production

Description

Sodium pyrophosphate, also called Tetrasodium pyrophosphate or TSPP is used in the laboratory as a buffering agent. The compound has been shown to be useful in the preparation of an EDTA-sodium pyrophosphate extraction buffer for microcystin analysis of soil samples. Tetrasodium pyrophosphate is an odorless, white powder or granules. It is used in water softener, buffering agent, thickening agent, dispersing agent, wool de-fatting agent, metal cleaner, soap and synthetic detergent builder, general sequestering agent, in electrodeposition of metals. It also acts as a tartar control agent in toothpaste and dental floss. In addition, it is used as a chelating agent in antimicrobial studies. It is also used as a food additive in common foods such as chicken nuggets, crab meat and canned tuna.

Chemical Properties

Tetrasodium pyrophosphate is a white crystalline powder or colourless crystals with the formula Na4P2O7. It contains the pyrophosphate ion and sodium cation. Toxicity is approximately twice that of table salt when ingested orally. There is also a hydrated form, Na4P2O7.10H2O.

Tetrasodium pyrophosphate is used as a buffering agent, an emulsifier, a dispersing agent, and a thickening agent, and is often used as a food additive. It is widely used as an emulsifying salt (ES) in process cheese. Common foods containing sodium pyrophosphate include chicken nuggets, marshmallows, pudding, crab meat, imitation crab, canned tuna, and soy-based meat alternatives and cat foods and cat treats where it is used as a palatability enhancer. It is the active ingredient in Bakewell, the substitute for baking powder's acid component marketed during shortages in World War II. It is also used in some common baking powders.

Uses

Pharmaceutic aid.
Tetrasodium pyrophosphate (Na4P2O7) is a non-toxic and biocompatible compound used as an electroactive media for exfoliation of the surface coating. It is also be used as an additive in the food industry.
Na4P2O7 can be used as an inorganic additive to improve the stability and electrochemical performance of redox flow batteries.

Uses

Tetrasodium Pyrophosphate is a coagulant, emulsifier, and sequestrant that is mildly alkaline, with a ph of 10. it is moderately soluble in water, with a solubility of 0.8 g/100 ml at 25°c. it is used as a coagulant in noncooked instant puddings to provide thicken- ing. it functions in cheese to reduce the meltability and fat separa- tion. it is used as a dispersant in malted milk and chocolate drink powders. it prevents crystal formation in tuna. it is also termed sodium pyrophosphate, tetrasodium diphosphate, and tspp.

Uses

As a water softener; as a metal cleaner; as a dispersing and emulsifying agent.

Definition

ChEBI: Sodium diphosphate is an inorganic sodium salt comprised of a diphosphate(4-) anion and four sodium(1+) cations. More commonly known as tetrasodium pyrophosphate, it finds much use in the food industry as an emulsifier and in dental hygiene as a calcium-chelating salt. It has a role as a food emulsifier, a chelator and a food thickening agent. It contains a diphosphate(4-).

Preparation

Tetrasodium pyrophosphate is formed when pure disodium hydrogen orthophosphate is heated to 500℃ for 5 hours. The product will contain better than 98 per cent Na4P2O7. Crystalline masses large enough for optical measurements are produced by heating in platinum to above the melting point of the tetrasodium pyrophosphate, 800°, and cooling slowly. Higher temperatures or longer heating times do not change the tetrasodium pyrophosphate, as this is the final product in the dehydration of disodium hydrogen orthophosphate.

General Description

Odorless, white powder or granules. Mp: 995°C. Density: 2.53 g cm-3. Solubility in water: 3.16 g / 100 mL (cold water); 40.26 g / 100 mL boiling water. Used as a wool de-fatting agent, in bleaching operations, as a food additive. The related substance Tetrasodium pyrophosphate decahydrate (Na4P2O7 0H2O) occurs as colorless transparent crystals. Loses its water when heated to 93.8°C.

Reactivity Profile

Tetrasodium pyrophosphate is basic. Reacts exothermically with acids. Incompatible with strong oxidizing agents. Decomposes in ethyl alcohol.

Hazard

Toxic by inhalation.

Health Hazard

Tetrasodium pyrophosphate (TSPP) is of low toxicity, but the dust may be irritating to the eyes, upper respiratory tract, and skin. Mild to moderate skin and eye irritation have occurred with acute exposure to the dust.

Safety Profile

Poison by ingestion, intraperitoneal, intravenous, and subcutaneous routes. It is not a cholinesterase inhibitor. When heated to decomposition it emits toxic fumes of POx and Na2O.

Tetrasodium pyrophosphate Preparation Products And Raw materials

Raw materials

Food grade phosphoric acid Sieve plate N-(Isoxazol-5-yl)sulphanilamide Phosphoric acid Sodium hydroxide Sodium carbonate

Preparation Products

Ferric pyrophosphate FERRIC PYROPHOSPHATE Sodium pyrophosphate decahydrate Copper pyrophosphate

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Tetrasodium pyrophosphate Suppliers

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View Lastest Price from Tetrasodium pyrophosphate manufacturers

HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD

Product: Tetrasodium pyrophosphate 7722-88-5
Price: US $999.00-666.00/g
Min. Order: 1g
Purity: 99%
Supply Ability: 5000
Release date: 2024-08-09

Hebei Zhuanglai Chemical Trading Co.,Ltd

Product: Tetrasodium pyrophosphate 7722-88-5
Price: US $10.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 20ton
Release date: 2024-05-17

Hebei Zhuanglai Chemical Trading Co.,Ltd

Product: Tetra Sodium Pyrophosphate 7722-88-5
Price: US $70.00/kg
Min. Order: 1kg
Purity: 99
Supply Ability: 5000
Release date: 2024-05-23

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