Database/Preservative/Chlorobutanol
100% petroleum · ISO 16128

Is Chlorobutanol natural?

No. Every atom traces to chloroform and acetone, both synthetic petrochemical reagents retained in the final structure.

INCI nameChlorobutanol
CAS57-15-8
FormulaC4H7Cl3O · 177.45 Da
FunctionPreservative
FeedstockChlorobutanol is manufactured by reacting chloroform with acetone…

How we scored it

1,1,1-trichloro-2-methylpropan-2-ol from chloroform + acetone condensation, both petrochemical → 0/177.45 = 0.0.
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

Chlorobutanol is manufactured by reacting chloroform with acetone under basic catalysis. Both feedstocks are petrochemical; there is no natural production route.

In plain English

A preservative made synthetically from chloroform and acetone. It is entirely petrochemical in origin, with no natural or plant-based production route.

CosIng definition: Chlorobutanol is a halogenated alcohol that conforms to the formula:

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Structure

2D structure of Chlorobutanol

1,1,1-trichloro-2-methylpropan-2-ol

PubChem CID 5977 ↗

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. 2Chlorobutanol. PubChem CID 5977. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3CHLOROBUTANOL. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4CHLOROBUTANOL. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=CHLOROBUTANOL