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Tetrasodium diphosphate is an inorganic compound with the formula Na4P2O7.
Tetrasodium diphosphate is used as a buffering agent, an emulsifier, a dispersing agent, and a thickening agent, and is often used as a food additive.
Tetrasodium diphosphate is used in commercial dental rinses before brushing to aid in plaque reduction.
CAS Number : 7722-88-5
EC Number : 231-767-1
ECHA InfoCard : 100.028.880
PubChem CID : 24403
Chemical formula : Na4O7P2
Molar mass : 265.900 g·mol−1
Appearance : Colorless or white crystals
Odor : odorless
Density : 2.534 g/cm3
Melting point : 988 °C
As a salt, it is a white, water-soluble solid.
Tetrasodium diphosphate is composed of pyrophosphate anion and sodium ions.
Toxicity is approximately twice that of table salt when ingested orally.
Also known is the decahydrate Na4P2O7 · 10(H2O).
Use of Tetrasodium diphosphate
Common foods containing Tetrasodium diphosphate 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.
In toothpaste and dental floss,Tetrasodium diphosphate acts as a tartar control agent, serving to remove calcium and magnesium from saliva and thus preventing them from being deposited on teeth.
Tetrasodium diphosphate is sometimes used in household detergents to prevent similar deposition on clothing, but due to its phosphate content it causes eutrophication of water, promoting algae growth.
Production of Tetrasodium diphosphate
Tetrasodium diphosphate is produced by the reaction of furnace-grade phosphoric acid with sodium carbonate to form disodium phosphate, which is then heated to 450 °C to form tetrasodium pyrophosphate:
2 Na2HPO4 → Na4P2O7 + H2O
Tetrasodium diphosphate appears as odorless, white powder or granules. mp: 995 °C.
Density: 2.53 g/cm3.
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 diphosphate occurs as colorless transparent crystals.
Loses its water when heated to 93.8 °C.
Tetrasodium diphosphate is an inorganic sodium salt comprised of a diphosphate(4-) anion and four sodium(1+) cations.
More commonly known as Tetrasodium diphosphate, it finds much use in the food industry as an emulsifier and in dental hygiene as a calcium-chelating salt.
Tetrasodium diphosphate has a role as a food emulsifier, a chelator and a food thickening agent.
Tetrasodium diphosphate contains a diphosphate(4-).
Use and Manufacturing of Tetrasodium diphosphate
Used as a water softener, detergent, emulsifying agent, metal cleaner, and nutritional supplement
Industry Uses of Tetrasodium diphosphate
Abrasives
Adsorbents and absorbents
Chelating agent
Corrosion inhibitors and anti-scaling agents
Flavoring and nutrient
Not Known or Reasonably Ascertainable
Processing aids, not otherwise listed
Household Products of Tetrasodium diphosphate
Household & Commercial/Institutional Products
Information on 167 consumer products that contain Tetrasodium pyrophosphate (TSPP) in the following categories is provided:
Auto Products
Commercial / Institutional
Home Maintenance
Landscaping/Yard
Personal Care
Pet Care
General Manufacturing Information
Industry Processing Sectors
Fabricated Metal Product Manufacturing
Food, beverage, and tobacco product manufacturing
Industrial Gas Manufacturing
Miscellaneous Manufacturing
Not Known or Reasonably Ascertainable
Soap, Cleaning Compound, and Toilet Preparation Manufacturing
Usage areas of Tetrasodium diphosphate :
Tetrasodium diphosphate is a colorless transparent crystalline chemical compound with the formula Na4P2O7.
Tetrasodium diphosphate is a salt composed of pyrophosphate and sodium ions.
Toxicity when ingested orally is about twice that of table salt.
Tetrasodium diphosphate is produced by the reaction of sodium carbonate with phosphorus grade phosphoric acid to form disodium phosphate, and then heated to 450 °C to form tetrasodium pyrophosphate.
Alternatively, Tetrasodium diphosphate can be formed by molecular dehydration of dibasic sodium phosphate at 500 °C (932 °F).
Usage areas of Tetrasodium diphosphate
Tetrasodium diphosphate is used as a buffering agent, an emulsifier, a dispersing agent and a thickening agent, and is often used as a food additive.
Common foods containing Tetrasodium diphosphate are used where it is used as chicken nuggets, marshmallows, pudding, crabmeat, imitation crab, canned tuna and soy-based meat alternatives, and as cat food and cat breeding.
In toothpaste and dental floss, Tetrasodium diphosphate acts as a tartar control agent, removing calcium and magnesium from saliva, thereby preventing it from depositing on the teeth. Tetrasodium diphosphate is used in commercial tooth cleanings before brushing to aid in plaque reduction.
Tetrasodium diphosphate is sometimes used in household detergents to prevent clothing-like deposition, but due to its phosphate content it causes eutrophication of water, algae growth.
Tetrasodium diphosphate is used as an acidity maintainer, as a pH buffer, and as a dough conditioner in soy-based meat alternatives.
Tetrasodium diphosphate supports the binding of proteins to water, supports the binding of soybean particles together.
Tetrasodium diphosphate is used in chicken nuggets and lobster products for the same purpose.
Tetrasodium diphosphate is an emulsifier and a source of phosphorus as a nutrient.
Tetrasodium diphosphate is used as a buffer in toothpastes, as an emulsifier, and as a detergent aid.
Tetrasodium diphosphate removes Ca and Mg ions from saliva, so they do not stay on the teeth.
Tetrasodium diphosphate is a thickener in ready puddings.
Tetrasodium diphosphate is used as a water softener in detergents, as an emulsifier to suspend oils and to prevent re-deposition on laundry during washing.
Tetrasodium diphosphate combines with Mg as a water softener.
As a detergent additive, Tetrasodium diphosphate renews the activity of detergents and soaps, combining with calcium to form an insoluble foam.
Tetrasodium diphosphate removes calcium, it is replaced by sodium, which reagents detergent and soap.
Tetrasodium diphosphate is used as an inorganic stabilizer in textiles.
An inorganic sodium salt comprised of a diphosphate(4−) anion and four sodium(1+) cations.
More commonly known as Tetrasodium diphosphate it finds much use in the food industry as an emulsifier and in dental hygiene as a calcium-chelating salt.
Tetrasodium diphosphate is being used in detergents, as cleaning agents, ceramics, paints and metal surface treatment.
Tetrasodium diphosphate’s an additive for cosmetic and pharmaceutical preparations , pH control and buffering, dispersing agent and emulsion stabilizer.
Applications of Tetrasodium diphosphate
-Cleaning
-Paints
-Metal treatment
-Ceramics
Uses of Tetrasodium diphosphate:
-Buffering Agent
-Emulsifier
-Dispersing Agent
-Thickening Agent
-Tartar Control Agent
-Toothpaste
Tetrasodium diphosphate is a colorless transparent crystalline chemical compound of the formula Na4P2O7.
Tetrasodium diphosphate is a salt of pyrophosphate and sodium ions.
Tetrasodium diphosphate is often used as a food additive as a buffering agent, emulsifier and thickening agent.
Common foods containing Tetrasodium diphosphate; chicken nugget, marshmallows, pudding, crab meat, crab meat imitation, canned tuna and soy-based meat alternatives.
Tetrasodium diphosphate is used as a tartar control agent in toothpaste and dental floss.
Tetrasodium diphosphate is used as water softener in detergents, as an emulsifier to suspend oils and to prevent redeposition on the laundry during washing.
Tetrasodium diphosphate is used as an inorganic stabilizer in textile.
Application of Tetrasodium diphosphate:
Tetrasodium diphosphate is used as a buffering agent, also as an emulsifier and as a dispersing agent
Tetrasodium diphosphate also used as a thickening agent and also often used as a food additive
Tetrasodium diphosphate is used in common baking powders and also in toothpaste and dental floss as a tartar control
Tetrasodium diphosphate is also used in household detergents
Tetrasodium diphosphate is a white loose substance that is odorless and well soluble in water.
Tetrasodium diphosphate is often used as a sequestrant, buffering agent, emulsifier and texturizer in processed meats, fish, and cheese.
Tetrasodium diphosphate is also used as a gelling agent in puddings and desserts.
First Aid of Tetrasodium diphosphate
Eye:
IRRIGATE IMMEDIATELY - If this chemical contacts the eyes, immediately wash (irrigate) the eyes with large amounts of water, occasionally lifting the lower and upper lids.
Get medical attention immediately.
Skin:
WATER WASH PROMPTLY - If this chemical contacts the skin, promptly wash the contaminated skin with water.
If this chemical penetrates the clothing, promptly remove the clothing and wash the skin with water.
If irritation persists after washing, get medical attention.
Breathing:
RESPIRATORY SUPPORT - If a person breathes large amounts of this chemical, move the exposed person to fresh air at once.
If breathing has stopped, perform artificial respiration.
Keep the affected person warm and at rest.
Get medical attention as soon as possible.
Swallow:
MEDICAL ATTENTION IMMEDIATELY - If this chemical has been swallowed, get medical attention immediately.
Substance identity
EC / List no.: 231-767-1
CAS no.: 7722-88-5
Mol. formula: Na4O7P2
Hazard classification & labelling of Tetrasodium diphosphate
Danger! According to the classification provided by companies to ECHA in REACH registrations this substance is harmful if swallowed and causes serious eye damage.
About Tetrasodium diphosphate
Tetrasodium diphosphate is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 1 000 to < 10 000 tonnes per annum.
Tetrasodium diphosphate is used by consumers, in articles, by professional workers (widespread uses), in formulation or re-packing, at industrial sites and in manufacturing.
Consumer Uses of Tetrasodium diphosphate
Tetrasodium diphosphate is used in the following products: pH regulators and water treatment products, water softeners, cosmetics and personal care products, coating products and fillers, putties, plasters, modelling clay.
Release to the environment of Tetrasodium diphosphate can occur from industrial use: formulation of mixtures, in the production of articles and in processing aids at industrial sites.
Other release to the environment of Tetrasodium diphosphate is likely to occur from: indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners) and outdoor use.
Article service life of Tetrasodium diphosphate
Release to the environment of Tetrasodium diphosphate can occur from industrial use: industrial abrasion processing with low release rate (e.g. cutting of textile, cutting, machining or grinding of metal).
Other release to the environment of Tetrasodium diphosphate is likely to occur from: outdoor use in long-life materials with low release rate (e.g. metal, wooden and plastic construction and building materials) and indoor use in long-life materials with low release rate (e.g. flooring, furniture, toys, construction materials, curtains, foot-wear, leather products, paper and cardboard products, electronic equipment).
Tetrasodium diphosphate can be found in products with material based on: stone, plaster, cement, glass or ceramic (e.g. dishes, pots/pans, food storage containers, construction and isolation material), fabrics, textiles and apparel (e.g. clothing, mattress, curtains or carpets, textile toys), leather (e.g. gloves, shoes, purses, furniture), paper (e.g. tissues, feminine hygiene products, nappies, books, magazines, wallpaper), wood (e.g. floors, furniture, toys) and plastic (e.g. food packaging and storage, toys, mobile phones).
Widespread uses by professional workers of Tetrasodium diphosphate
Tetrasodium diphosphate is used in the following products: pH regulators and water treatment products, water softeners and cosmetics and personal care products.
Tetrasodium diphosphate is used in the following areas: formulation of mixtures and/or re-packaging, agriculture, forestry and fishing, building & construction work and municipal supply (e.g. electricity, steam, gas, water) and sewage treatment.
Tetrasodium diphosphate is used for the manufacture of: metals, fabricated metal products and .
Release to the environment of Tetrasodium diphosphate can occur from industrial use: formulation of mixtures and in the production of articles.
Other release to the environment of Tetrasodium diphosphate is likely to occur from: indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners) and outdoor use.
Formulation or re-packing of Tetrasodium diphosphate
Tetrasodium diphosphate is used in the following products: pH regulators and water treatment products, water softeners and polymers.
Release to the environment of Tetrasodium diphosphate can occur from industrial use: formulation of mixtures, in the production of articles, in processing aids at industrial sites and as processing aid.
Other release to the environment of Tetrasodium diphosphate is likely to occur from: indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners) and outdoor use.
Uses at industrial sites of Tetrasodium diphosphate
Tetrasodium diphosphate is used in the following products: pH regulators and water treatment products, water softeners and polymers.
Tetrasodium diphosphate is used in the following areas: formulation of mixtures and/or re-packaging, mining and municipal supply (e.g. electricity, steam, gas, water) and sewage treatment.
Tetrasodium diphosphate is used for the manufacture of: chemicals, metals, fabricated metal products, machinery and vehicles and .
Release to the environment of Tetrasodium diphosphate can occur from industrial use: in processing aids at industrial sites, formulation of mixtures, in the production of articles and as processing aid.
Other release to the environment of Tetrasodium diphosphate is likely to occur from: indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners) and outdoor use.
Manufacture of Tetrasodium diphosphate
Release to the environment of Tetrasodium diphosphate can occur from industrial use: manufacturing of the substance, formulation of mixtures, formulation in materials, in processing aids at industrial sites, in the production of articles and as an intermediate step in further manufacturing of another substance (use of intermediates).
Synonyms:
Anhydrous tetrasodium pyrophosphate
Diphosphoric acid, sodium salt (1:4)
Diphosphoric acid, tetrasodium salt
Natrium pyrophosphat
Phosphotex
Pyrophosphoric acid tetrasodium salt
Sodium diphosphate (Na4P2O7)
Sodium diphosphate, anhydrous
Sodium phosphate (Na4P2O7)
Sodium pyrophosphate
Sodium pyrophosphate (Na4P2O7)
Sodium pyrophosphate, tetrabasic
Tetranatriumpyrophosphat
Tetrasodium diphosphate
Tetrasodium pyrophosphate
Tetrasodium pyrophosphate
tetrasodium pyrophosphate
Tetrasodium pyrophosphate, anhydrous
TSPP
Victor TSPP
Diphosphoric acid, sodium salt (1:4)
Diphosphoric acid, tetrasodium salt
phosphono dihydrogen phosphate
Sodium diphosphate tetrabasic, Tetrasodium pyrophosphate, TSPP, tetra-Sodium diphosphate
Sodium pyrophosphate
tetrasodium (phosphonatooxy)phosphonate
tetrasodium (phosphonooxy)phosphonate
Tetrasodium diphosphate
tetrasodium diphosphate
tetrasodium phosphonato phosphate
TETRASODIUM PYROPHOSPHATE
Tetrasodium Pyrophosphate
Tetrasodium pyrophosphate
tetrasodium pyrophosphate
Tetrasodium Pyrophosphate
Tetrasodium pyrophosphate
tetrasodium pyrophosphate
tetrasodium pyrophosphate (TSPP)
Tetrasodium pyrophosphate decahydrate
tetrasodium;phosphonato phosphate
TSPP
pirofosforan czterosodowy
PRAYPHOS TSPP 108 FG GR
PRAYPHOS TSPP 118 Dental
PRAYPHOS TSPP 118 FG
Prayphos TSPP TG
PURON
Tetranatriumdiphosphat
Tetranatriumpyrophosphat
TETRASODIUM PYROPHOSPHATE
Tetrasodium Pyrophosphate
Tetrasodium pyrophosphate
TETRON
TNPP
TSPP
1269628-79-6
1269628-79-6
13472-36-1
156460-73-0
156460-73-0
7722-88-5
93269-17-1
93269-17-1
Sodium pyrophosphate
TETRASODIUM PYROPHOSPHATE
7722-88-5
TSPP
Tetrasodium diphosphate
Phosphotex
Diphosphoric acid, tetrasodium salt
Sodium diphosphate
Victor TSPP
Caswell No. 847
Sodium pyrophosphate [USAN]
Sodium pyrophosphate tetrabasic
Natrium pyrophosphat
Pyrophosphoric acid tetrasodium salt
Sodium diphosphate, anhydrous
Natrium pyrophosphat [German]
Sodium phosphate (Na4P2O7)
HSDB 854
MFCD00003513
Na4P2O7
CHEBI:71240
O352864B8Z
Sodium pyrophosphate (USAN)
Sodium pyrophosphate, tetrabasic
Tetranatriumpyrophosphat [German]
EINECS 231-767-1
NSC 56751
EPA Pesticide Chemical Code 076405
Sodium diphosphate tetrabasic
tetrasodium phosphonato phosphate
UNII-O352864B8Z
Tetrasodium pyrophosphate, anhydride
SODIUMPYROPHOSPHATE
tetra sodium pyrophosphate
EC 231-767-1
Diphosphoric acid sodium salt
DTXSID9042465
SODIUM PYROPHOSPHATE [II]
Sodium diphosphate (Na4(P2O7))
SODIUM PYROPHOSPHATE [FCC]
Tetrasodium pyrophosphate Anhydrous
SODIUM PYROPHOSPHATE [HSDB]
CS-B1771
SODIUM PYROPHOSPHATE [VANDF]
tetrasodium (phosphonooxy)phosphonate
Tox21_110033
SODIUM PYROPHOSPHATE [MART.]
SODIUM PYROPHOSPHATE [WHO-DD]
TETRASODIUM PYROPHOSPHATE [MI]
AKOS015914004
AKOS024418778
Diphosphoric acid, sodium salt (1:4)
TETRASODIUM PYROPHOSPHATE [INCI]
NCGC00013687-01
CAS-7722-88-5
FT-0689073
D05873
E75941
EN300-332889
Q418504
1004291-85-3
(phosphonooxy)phosphonic acid
219-574-0 [EINECS]
2466-09-3 [RN]
Acide diphosphorique [French] [ACD/IUPAC Name]
Diphosphoric acid [ACD/Index Name] [ACD/IUPAC Name]
Diphosphorsäure [German] [ACD/IUPAC Name]
hydrogen pyrophosphate
MFCD00011343 [MDL number]
phosphoric anhydride
Pyrophosphic acid
Pyrophosphoric Acid [Wiki]
[2466-09-3] [RN]
1314-56-3 [RN]
14000-31-8 [RN]
215-236-1 [EINECS]
33943-49-6 [RN]
3-methylbut-3-enyl trihydrogen diphosphate
69639-93-6 [RN]
7722-88-5 [RN]
ADP
ATP
CTP
dCt
dimethylallyl diphosphate
Diphosphorsaeure
DMA
DPO
DTP
hydron [Wiki]
IPE
MFCD02663458 [MDL number]
Oxy-1,1-diphosphonic acid
phosphonato phosphate
phosphono dihydrogen phosphate
Phosphonooxyphosphonic acid
Phosphoricanhydride
Phosphotex
POP
PPV
Pyrophosphoricacid
Pyrophosphorsaeure
TTP
μ-oxido-bis(dihydroxidooxidophosphorus)
焦磷酸 [Chinese]
4E862E7GRQ [DBID]
JL6672500 [DBID]
03.09.2466 [DBID]
433314_ALDRICH [DBID]
60352_RIEDEL [DBID]
83210_FLUKA [DBID]
AIDS000493 [DBID]
AIDS-000493 [DBID]
C00013 [DBID]
CHEBI:29888 [DBID]
NCGC00013687 [DBID]
NChemBio.2007.9-comp24 [DBID]
NCI56751 [DBID]
NCI60_004388 [DBID]
NCIStruc1_000506 [DBID]
NCIStruc2_000426 [DBID]
NSC289196 [DBID]
NSC56751 [DBID]
NSC-56751 [DBID]
P00025 [DBID]
UNII:4E862E7GRQ [DBID]
UNII-4E862E7GRQ [DBID]
