Difference between revisions of "Calcium bisulfite"
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== Description == | == Description == | ||
| − | A yellow liquid with a strong [ | + | A yellow liquid with a strong [[sulfur dioxide]] odor. Calcium bisulfite is only known in solution. It is prepared by saturating [[calcium carbonate]] with [[sulfurous acid]] or by bubbling sulfur dioxide through a [[calcium hydroxide]] solution. Calcium hydrogen sulfite is used in the manufacturing of paper pulp to dissolve [[lignin]] and as a [[scavenger]] for chlorine. It is also used as a [[bleaching agent|bleach]], [[preservative]], and [[disinfectant]]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| Line 7: | Line 7: | ||
calcium hydrogen sulfite; calcium dihydrogen sulfite; calcium acid sulfite; lime bisulfite | calcium hydrogen sulfite; calcium dihydrogen sulfite; calcium acid sulfite; lime bisulfite | ||
| − | == | + | == Risks == |
| + | |||
| + | * Contact can be irritating and corrosive. | ||
| + | * Fisher Scientific: [https://beta-static.fishersci.com/content/dam/fishersci/en_US/documents/programs/education/regulatory-documents/sds/chemicals/chemicals-s/S25536.pdf SDS] | ||
| + | |||
| + | ==Physical and Chemical Properties== | ||
Corrosive to metals. | Corrosive to metals. | ||
| Line 17: | Line 22: | ||
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 1.06 | + | | 1.06 g/ml |
|} | |} | ||
| − | == | + | ==Resources and Citations== |
| − | |||
| − | |||
| − | |||
| − | |||
* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | ||
Latest revision as of 08:04, 18 May 2022
Description
A yellow liquid with a strong Sulfur dioxide odor. Calcium bisulfite is only known in solution. It is prepared by saturating Calcium carbonate with Sulfurous acid or by bubbling sulfur dioxide through a Calcium hydroxide solution. Calcium hydrogen sulfite is used in the manufacturing of paper pulp to dissolve Lignin and as a Scavenger for chlorine. It is also used as a bleach, Preservative, and Disinfectant.
Synonyms and Related Terms
calcium hydrogen sulfite; calcium dihydrogen sulfite; calcium acid sulfite; lime bisulfite
Risks
- Contact can be irritating and corrosive.
- Fisher Scientific: SDS
Physical and Chemical Properties
Corrosive to metals.
| Composition | Ca(HSO3)2 |
|---|---|
| Density | 1.06 g/ml |
Resources and Citations
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 1690