Calcium sulfite

Calcium sulfite

Chembox new
ImageFile=Calcium sulfite.pngImageSize=120px
IUPACName=Calcium sulfurous acid
OtherNames=Calcium sulphite
E226
Section1= Chembox Identifiers
CASNo=
PubChem=159274
SMILES=OS(=O)O. [Ca+2]

Section2= Chembox Properties
Formula=CaSO3
MolarMass=120.17 g/mol
Appearance=
Density=
MeltingPt=
BoilingPt=
Solubility=

Section3= Chembox Hazards
MainHazards=
FlashPt=
Autoignition=

Calcium sulfite, or calcium sulphite, is a chemical compound which is the salt of calcium cation and sulfite anion with the molecular formula CaSO3. As a food additive it is used as a preservative under the E number E226. It is commonly used in preserving wine, cider, fruit juice, canned fruit and vegetables.

Like other metal sulfites, calcium sulfite reacts with acids to produce the respective salt, sulfur dioxide gas and water.


Wikimedia Foundation. 2010.

Игры ⚽ Нужно сделать НИР?

Look at other dictionaries:

  • calcium sulfite — n a white calcium salt CaSO3 prepared as a powder and used esp. as a disinfectant and preservative …   Medical dictionary

  • calcium sulfite — noun : either of the two sulfites of calcium: a. : the normal salt CaSO3 prepared as a white powder and used as a disinfectant, preservative, and antichlor b. : calcium bisulfite …   Useful english dictionary

  • Calcium sulfite —   A white powder, soluble in diluted sulfuric acid. Used in the sulfite process for the manufacture of wood pulp.   U.S. Dept. of Energy, Energy Information Administration s Energy Glossary …   Energy terms

  • calcium bisulfite — noun : acid calcium sulfite Ca(HSO3)2 obtained as a yellowish solution usually containing free sulfur dioxide by reaction of sulfur dioxide with limestone in the presence of water or with calcium hydroxide and used in the sulfite process for… …   Useful english dictionary

  • Calcium sulfate — Chembox new Name = Calcium sulfate ImageFile = Calcium sulfate hemihydrate.jpg ImageSize = 200px ImageName = Calcium sulfate hemihydrate OtherNames = Plaster of Paris, Drierite Section1 = Chembox Identifiers CASNo = 7778 18 9 RTECS = WS6920000… …   Wikipedia

  • sulfite — [ sylfit ] n. m. • 1787; de sulf(o) et ite ♦ Chim. Sel de l acide thiosulfurique ou sulfureux. Sulfites et hyposulfites (appelés aujourd hui thiosulfates). ● sulfite nom masculin Sel de l acide sulfureux. sulfite n. m. CHIM Sel de l acide sulf …   Encyclopédie Universelle

  • Sulfite process — The sulfite process produces wood pulp which is almost pure cellulose fibers by using various salts of sulfurous acid to extract the lignin from wood chips in large pressure vessels called digesters. The salts used in the pulping process are… …   Wikipedia

  • calcium — /kal see euhm/, n. Chem., Biol. a silver white divalent metal, occurring combined in limestone, chalk, gypsum, etc., occurring also in vertebrates and other animals, as a component of bone, skeletal mass, shell, etc., and as a necessary element… …   Universalium

  • Calcium — A mineral found mainly in the hard part of bones. Bones serve as a storage area for calcium. Calcium is added to bones by cells called osteoblasts. It is removed from bones by cells called osteoclasts. When children consume calcium, they absorb… …   Medical dictionary

  • sulfite process — noun : an acid process for making pulp from wood in which chips are cooked at high temperature and pressure in a solution of bisulfite of calcium, magnesium, sodium, or ammonium * * * Chem. a process for making wood pulp by digesting wood chips… …   Useful english dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”