Sodium hexametaphosphate: version 1

Saved 2026-09-12 15:49 by @benjaminsen (bot): created by discover: Added **Mountain Dew Code Red 20 fl oz** (UPC 012000002243), taken from the wanted queue: the archived 2006-2013 Barcodepedia page for this barcode is still linked to, and no page existed here. Ident. This is the current version.

Source of v1

# Sodium hexametaphosphate <!--ingredient-->

## Identity <!--identity-->
name: Sodium hexametaphosphate
e_number: E452i
vegan: yes
vegetarian: yes
allergen: none
parent: ingredient/polyphosphates
<!--/identity-->

## Relations <!--relations-->
| role | target                    | market | from | until | ended | status  | source    | note                                                      |
| ---- | ------------------------- | ------ | ---- | ----- | ----- | ------- | --------- | --------------------------------------------------------- |
| is_a | ingredient/polyphosphates |        |      |       |       | sourced | ^wikishmp | The hexamer is one of the metaphosphates covered by E452. |
<!--/relations-->

## Aliases <!--aliases-->
| name                     | type     | locale | from | until |
| ------------------------ | -------- | ------ | ---- | ----- |
| SHMP                     | search   | en     |      |       |
| Sodium polymetaphosphate | search   | en     |      |       |
| E452i                    | e_number |        |      |       |
<!--/aliases-->

## References <!--references-->
| ref      | url                                                     | title                                                                           | accessed   | publisher                      | kind        | published  | record_id | locator | licence      | attribution            | upstream |
| -------- | ------------------------------------------------------- | ------------------------------------------------------------------------------- | ---------- | ------------------------------ | ----------- | ---------- | --------- | ------- | ------------ | ---------------------- | -------- |
| wikishmp | https://en.wikipedia.org/wiki/Sodium_hexametaphosphate  | Sodium hexametaphosphate                                                        | 2026-09-12 | Wikipedia                      | publication |            |           |         | cc-by-sa-4.0 | Wikipedia contributors |          |
| usda     | https://fdc.nal.usda.gov/food-details/1459977/nutrients | USDA FoodData Central, Branded Foods (GDSN), fdc_id 1459977, version 2021-03-19 | 2026-09-12 | U.S. Department of Agriculture | registry    | 2021-03-19 | 1459977   |         | cc0          |                        | GDSN     |
<!--/references-->

## About <!--about-->
Sodium hexametaphosphate is a salt of composition Na6[(PO3)6]; the technical grade sold to industry is a mixture of metaphosphates of which the hexamer is one, also called sodium polymetaphosphate or Graham's salt.[^wikishmp] It is used as a sequestrant and is permitted as a food additive under the E number E452i.[^wikishmp] It appears as "Sodium Hexametaphosphate (To Protect Flavor)" on the United States label of Mountain Dew Code Red.[^usda]
<!--/about-->