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Sodium sulfite

Catalog No. Sodium_sulfite Name Wikipedia.org
CAS Number 7757-83-7 Website http://www.wikipedia.org/
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SYNONYMS

IUPAC name
disodium sulfite
IUPAC Traditional name
disodium sulfite
Synonyms
Hypo clear (photography)
E221

DATABASE IDS

PubChem CID 24437
Wikipedia Title Sodium_sulfite
Chemspider ID 22845
CAS Number 7757-83-7
Unique Ingredient Identifier VTK01UQK3G

PROPERTIES

pKa ~9 (heptahydrate)
Apperance white solid
Boiling Point Decomposes(separate (substances) into constituent elements)
Density 2.633 g/cm3 (anhydrous)
1.561 g/cm3 (heptahydrate)
Flash Point Non-flammable
Melting Point 33.4 °C (dehydration of heptahydrate)
500 °C (anhydrous)
Odor odorless
Refractive Index 1.565
Solubility 67.8 g/100 mL (18 °C, heptahydrate) in water
Solubility soluble in glycerol
insoluble in ammonia, chlorine
EU Index Not listed
NFPA704
NFPA 704 diagram
0
2
0
RTECS WE2150000

DETAILS

Description (English)

REFERENCES