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13439 Sodium pyrophosphate, anhydrous, tech.

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

Stock No. Conditionnement Prix ($) Quantité Disponibilité
13439-30 250g 28,80
13439-A1 1kg 57,20
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Sodium pyrophosphate, anhydrous, tech.

MDL
MFCD00003513
EINECS
231-767-1

Propriétés chimiques

Formule
Na4O7P2
Poids moleculaire
265.90
Forme
Granular
Point de fusion
988°
Densité
2.534
Storage & Sensitivity
Hygroscopic. Store under Nitrogen. Ambient temperatures.
Solubilité
Soluble in water, with slow hydrolysis to sodium orthophosphateSoluble in water. Insoluble in ethyl alcohol.

Applications

Water softener, metal cleaner, soap and synthetic detergent builder, general sequestering agent, in electrodeposition of metals.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

Fedotova, N.; Kaegi, R.; Koch, J.; Günther, D. Influence of dispersion agents on particle size and concentration determined by laser-induced breakdown detection. Spectrochim. Acta, Part B 2015, 103, 92-98.

Del Pino-García, R.; García-Lomillo, J.; Rivero-Pérez, M. D.; González-SanJosé, M. L.; Mun?iz, P. Adaptation and Validation of QUick, Easy, New, CHEap, and Reproducible (QUENCHER) Antioxidant Capacity Assays in Model Products Obtained from Residual Wine Pomace. J. Agric. Food. Chem. 2015, 63 (31), 6922-6931.

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-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.

Autres références

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

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Analytique et matériel de laboratoire