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

A17546 Sodium pyrophosphate, 98%

Número CAS
7722-88-5
Nombre Alternativo
Sodium phosphate (pyro)
Tetrasodium pyrophosphate

Tamaño Precio ($) Cantidad Disponibilidad
250g 27,50
1000g 64,79
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Sodium pyrophosphate, 98%

MDL
MFCD00003513
EINECS
231-767-1

Propiedades químicas

Fórmula
Na4O7P2
Peso molecular
265.90
Punto de fusión
988°
Densidad
2.534
Sensibilidad
Hygroscopic
Solubilidad
Soluble in water. Insoluble in ethyl alcohol.

Aplicaciones

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.

Notas

Hygroscopic. Incompatible withstrong oxidizing agents and strong acids.

Referencias documentales

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.

Indicaciones de peligro y de precaución del GHS

Indicaciones de peligro (UE): H315-H319-H335

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

Indicaciones de precaución: 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.

Otras referencias

Merck
14,9240
Código de tarifa arancelaria unificado
2835.39
TSCA
Yes
RTECS
UX7350000

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