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7722-88-5 - Sodium pyrophosphate, 98% - Sodium phosphate (pyro) - Tetrasodium pyrophosphate - A17546 - Alfa Aesar

A17546 Sodium pyrophosphate, 98%

Numéro CAS
7722-88-5
Synonymes
Sodium phosphate (pyro)
Tetrasodium pyrophosphate

Dimensions Prix ($) Quantité Disponibilité
250g 27,60
1000g 65,10
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Sodium pyrophosphate, 98%

MDL
MFCD00003513
EINECS
231-767-1

Propriétés chimiques

Formule
Na4O7P2
Poids formulaire
265.90
Point de fusion
988°
Densité
2.534
Sensibilité
Hygroscopic
Solubilité
Soluble in water. Insoluble in ethyl alcohol.

Applications

Sodium pyrophosphate is used in water softener, detergent, emulsifying agent, metal cleaner and nutritional supplement. It acts as a buffering agent, thickening agent and dispersing agent. 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.

Notes

Hygroscopic. Incompatible withstrong oxidizing agents and strong acids.

Références bibliographiques

Yoon, J.; El Mohtar, C. S. Constitutive model parameters of concentrated bentonite suspensions modified with sodium pyrophosphate. J. Mater. Sci. 2015, 50 (15), 5253-5261.

Juneja, V. K.; Cadavez, V.; Gonzales-Barron, U.; Mukhopadhyay, S. Modelling the effect of pH, sodium chloride and sodium pyrophosphate on the thermal resistance of Escherichia coli O157: H7 in ground beef. Food Res. Int. 2015, 69, 289-304.

Mentions de danger et de prudence du SGH

Mentions de danger (UE): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Mentions de prudence: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Autres références

Merck
14,9240
Code tarifaire harmonisé
2835.39
TSCA
Yes
RTECS
UX7350000

Recommandé

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    Citric acid monohydrate, ACS, 99.0-102.0%

Consulté récemment

Produits chimiques

Sciences de la vie

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Catalyseurs

Analytique et matériel de laboratoire