Database/Antistatic/Behenyl Betaine
Mostly natural · ISO 16128

Is Behenyl Betaine natural?

Mostly. The C22 behenyl chain comes from rapeseed (erucic acid) oleochemistry; the dimethylamine and the chloroacetate-derived carboxymethyl group are petrochemical.

INCI nameBehenyl Betaine
CAS26920-62-7
FormulaC26H53NO2 · 411.7 Da
FunctionAntistatic · Cleansing
FeedstockDominant route: behenyl alcohol from hydrogenated high-erucic rapeseed…

How we scored it

Natural: behenyl C22H45 310 Da; petrochemical: dimethylamino N(CH3)2 44 + carboxymethyl CH2COO 58 = 102 Da; total 412; 310/412 = 0.75.
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

Dominant route: behenyl alcohol from hydrogenated high-erucic rapeseed oil is converted to the dimethyl amine and quaternised with sodium chloroacetate. Supplier note: a petrochemical Ziegler C22 alcohol is possible but uncommon for cosmetic grades.

In plain English

A conditioning cleansing ingredient built from a long fatty chain (behenyl, from rapeseed oil) joined to a small betaine head group. It helps products foam and leaves hair and skin feeling softer, with less static.

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Structure

2D structure of Behenyl Betaine

2-[docosyl(dimethyl)azaniumyl]acetate

PubChem CID 21149403 ↗

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. 2Behenyl Betaine. PubChem CID 21149403. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3BEHENYL BETAINE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4BEHENYL BETAINE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=BEHENYL%20BETAINE