Database/Oral Care/Strontium Acetate
Mostly petroleum · ISO 16128

Is Strontium Acetate natural?

Mostly not. Strontium cation is a mined mineral, natural origin; acetate ligands follow this site's petrochemical acetyl-group convention.

INCI nameStrontium Acetate
CAS543-94-2
FormulaC4H6O4Sr · 205.71 Da
FunctionOral Care · Soothing
FeedstockMade by reacting strontium carbonate, a mined mineral,…

How we scored it

Sr 87.62 Da (mineral, natural) + 2x CH3COO 118.09 Da (acetate, industrial methanol-carbonylation route, non-natural); 87.62/205.71 = 0.43.
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.

Where it comes from

Made by reacting strontium carbonate, a mined mineral, with acetic acid, which is predominantly manufactured industrially from methanol and carbon monoxide. Fermentation-derived (vinegar) acetic acid is a minor alternative source.

In plain English

A strontium salt of acetic acid used in toothpaste to help soothe sensitive teeth. The strontium comes from mined minerals; the acetate part is usually made industrially.

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Structure

2D structure of Strontium Acetate

strontium diacetate

PubChem CID 10987 ↗

References

  1. 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
  2. 2Strontium Acetate. PubChem CID 10987. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3STRONTIUM ACETATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4STRONTIUM ACETATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=STRONTIUM%20ACETATE