Sodium

Name:Sodium metaphosphate (Related Reference)

EINECS:233-343-1

Molecular Formula:Na6O18P6

CAS Registry Number:10124-56-8

Synonyms:Metaphosphoric acid, hexasodium salt; Calgon; Calgon (old); Calgon S; Graham's salt; Chemi-charl; HMP; Hexametaphosphate, sodium salt; Hexasodium hexametaphosphate; Hexasodium metaphosphate; Medi-Calgon; Metaphosphoric acid (H6P6O18), hexasodium salt; Natrium hexametaphosphat; Natrium hexametaphosphat [German]; Phosphate, sodium hexameta; SHMP; Sodium hexametaphosphate (Na6P6O18); Sodium phosphate (Na6P6O18); Sodium polymeta phosphate; Sodium hexametaphosphate;

Chemical Properties

Appearance:white granular solid

Molecular Weight:611.77

Density:2.181

Melting Point:616 °C

Storage Temperature:Store in a cool, dry place. Store in a tightly closed container.

Refractive index:1.482

Stability:Stable. Keep dry.

Usage:Improves efficiency of the developing process in photographic work.