Cookies disclaimer

I agree Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our website without changing the browser settings you grant us permission to store that information on your device.

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

A17546 Sodium pyrophosphate, 98%

CAS Number
7722-88-5
Synonyms
Sodium phosphate (pyro)
Tetrasodium pyrophosphate

Size Price ($) Quantity Availability
250g 27.50
1000g 64.79
Add to Cart Add to Quote Request View Item

Sodium pyrophosphate, 98%

MDL
MFCD00003513
EINECS
231-767-1

Chemical Properties

Formula
Na4O7P2
Formula Weight
265.90
Melting point
988°
Density
2.534
Sensitivity
Hygroscopic
Solubility
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.

Literature References

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.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

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

Precautionary Statements: 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.

Other References

Merck
14,9240
Harmonized Tariff Code
2835.39
TSCA
Yes
RTECS
UX7350000

Recommended

  • 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%

Recently Viewed

Chemicals

Life Science

Metals & Materials

Catalysts

Analytical & Labware