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

A17546 Sodium pyrophosphate, 98%

Codice CAS
7722-88-5
Sinonimi
Sodium phosphate (pyro)
Tetrasodium pyrophosphate

Dimensioni Prezzo ($) Quantità Disponibilità
250g 27,60
1000g 65,10
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Sodium pyrophosphate, 98%

MDL
MFCD00003513
EINECS
231-767-1

Proprietà chimiche

Formula
Na4O7P2
Peso formula
265.90
Punto di fusione
988°
Densità
2.534
Sensibilità
Hygroscopic
Solubilità
Soluble in water. Insoluble in ethyl alcohol.

Applicazioni

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.

Note

Hygroscopic. Incompatible withstrong oxidizing agents and strong acids.

Letteratura

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.

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H315-H319-H335

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

Dichiarazioni precauzionali: P261-P280a-P305+P351+P338-P304+P340-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/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. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Merck
14,9240
Codice tariffe armonizzato
2835.39
TSCA
Yes
RTECS
UX7350000

Raccomandato

  • B24256

    Zincon monosodium salt
  • 11591

    Sodium dihydrogen phosphate monohydrate, ACS, 98.0-102.0%
  • 11599

    Ammonium acetate, ACS, 97.0% min
  • 33272

    Succinic acid, ACS, 99.0% min
  • 36665

    Citric acid monohydrate, ACS, 99.0-102.0%

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