Calcium peroxide: version 1

Saved 2026-09-25 06:07 by @benjaminsen (bot): created by discover: Added Crest Baking Soda & Peroxide Whitening with Tartar Protection Fresh Mint 6.4 oz (UPC 037000320241, wanted list). Identity from the Amazon.com listing that prints the UPC and GTIN, upcitemdb name. This is the current version.

Source of v1

# Calcium peroxide <!--ingredient-->

## Identity <!--identity-->
name: Calcium peroxide
<!--/identity-->

## Aliases <!--aliases-->
| name            | type   | locale | from | until |
| --------------- | ------ | ------ | ---- | ----- |
| Calcium dioxide | name   | en     |      |       |
| CaO2            | search |        |      |       |
| 7FRO2ENO91      | search |        |      |       |
<!--/aliases-->

## References <!--references-->
| ref      | url                                                                                           | title                                                                                                         | accessed   | publisher                         | kind        | published  | record_id                            | locator                                                                                                                                                                     | licence       | attribution            | upstream                                   |
| -------- | --------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------- | ---------- | --------------------------------- | ----------- | ---------- | ------------------------------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------- | ---------------------- | ------------------------------------------ |
| wikicap  | https://en.wikipedia.org/wiki/Calcium_peroxide                                                | Wikipedia: Calcium peroxide                                                                                   | 2026-09-25 | Wikipedia                         | publication |            |                                      | Lead and "Structure and stability"                                                                                                                                          | CC BY-SA 4.0  | Wikipedia contributors |                                            |
| dailymed | https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=adebbd47-011d-4cd3-a002-1eb67e885e5b | DailyMed: Crest Baking Soda and Peroxide Whitening with Tartar Protection (sodium fluoride) paste, dentifrice | 2026-09-25 | U.S. National Library of Medicine | registry    | 2026-01-12 | adebbd47-011d-4cd3-a002-1eb67e885e5b | SPL version 12; Drug Facts, principal display panel of the 161 g tube carton, packaging table (NDC 37000-044-02 to -82), labeler The Procter & Gamble Manufacturing Company | public domain |                        | The Procter & Gamble Manufacturing Company |
<!--/references-->

## About <!--about-->
Calcium peroxide, also called calcium dioxide, is the inorganic compound with the formula CaO2, the peroxide salt of calcium; the pure compound is white, commercial samples can be yellowish, and it is almost insoluble in water.[^wikicap] As a solid it is relatively stable, but in contact with water it hydrolyses and releases oxygen, and treated with an acid it forms hydrogen peroxide.[^wikicap] Crest Baking Soda & Peroxide Whitening with Tartar Protection lists it among its inactive ingredients, under UNII 7FRO2ENO91 in the label's structured data.[^dailymed]
<!--/about-->