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Piroctone Olamine

CAS 68890-66-4 · Formula C16H30N2O3 · MW 298.42 g/mol

A fine powder preservative and antimicrobial agent for cosmetic and personal-care formulations, particularly anti-dandruff and scalp-treatment products.

Part of Preservatives & Antimicrobials
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HS Code
2933.39
At a Glance
Material Family
Amines & Amides
Record Type
Pure compound
Primary Role
Preservation · Biocidal Action
Functional Roles
Preservation Biocidal Action
INCI Name
PIROCTONE OLAMINE
CosIng Functions
ANTI-SEBORRHEICPRESERVATIVE
Industries Served
Beauty & Personal Care
Applications & Use Cases
  • ▸ Cosmetic preservation: Preservative for personal-care and cosmetic formulations.
  • ▸ Formulation protection: Helps preserve the finished product over its shelf life.
  • ▸ Rinse-off systems: Suited to shampoo, conditioner, and wash bases.
  • ▸ Leave-on systems: Compatible with cream and lotion bases.
Safety & Handling
Full SDS available on request

A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.

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HS / Tariff Classification
Harmonized System (HS) Code — 6-digit international heading
2933 . 39
Chapter 29
Organic chemicals
Heading 29.33
Internationally harmonized (WCO HS)
Subheading 2933.39
6-digit international code — national tariff line adds further digits
Chemical Identity
CAS Number
68890-66-4
Molecular Formula
C16H30N2O3
Molecular Weight
298.42 g/mol
IUPAC Name
2-aminoethanol;1-hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)pyridin-2-one
INCI Name
PIROCTONE OLAMINE
PubChem CID
50258
InChI Key
BTSZTGGZJQFALU-UHFFFAOYSA-N
Synonyms & Trade Names
PIROCTONE OLAMINE Octopirox Octopyrox Piroctone ethanolamine Piroctone ethanolamine salt Allermyl PIROCTONE ETHANOLAMINE SALT (1:1) FORTE Magnetic S3 Oil Control Anti-Dandfuff Keratolux GZE Black Castor Oil EdgeControl Kopirox Piroctoneolamine
Full Description

Piroctone olamine (CAS 68890-66-4) is the ethanolamine salt of a hydroxypyridinone (C16H30N2O3) used as a preservative in cosmetic and personal-care formulations. It is supplied as a fine powder for incorporation into rinse-off and leave-on product bases.

Regulatory & registration requirements

  • TSCA (US): Not found on the public (non-confidential) TSCA Inventory
  • REACH (EU):
  • EC number: 272-574-2

Source: EPA TSCA Inventory (July 2025 release) · ECHA CHEM — retrieved 2026-07-12

Solutions Using This Product

Process-solution guides on this site that specify this chemistry:

Frequently Asked Questions

What does piroctone olamine do in a formulation?

Piroctone olamine (CAS 68890-66-4) is the ethanolamine salt of a hydroxypyridinone used as a preservative in cosmetic and personal-care formulations, helping protect the finished product over its shelf life. It is compatible with both rinse-off bases (shampoo, conditioner, wash) and leave-on bases (cream, lotion). RawSource supplies it as a fine powder.

What is the chemical formula of piroctone olamine?

Piroctone olamine has the formula C16H30N2O3 and CAS 68890-66-4. It is supplied as a fine powder for incorporation into formulation bases; HS code is 2933.39.

How is piroctone olamine incorporated into formulations?

It is supplied as a fine powder and incorporated into rinse-off and leave-on product bases at the formulator's specified loading. Request the CoA and technical data for solubility and handling guidance.

What packaging and grades of piroctone olamine does RawSource supply?

RawSource supplies cosmetic-use piroctone olamine powder in standard packaging suited to formulation lots. Confirm pack size and grade with your rep, and request the SDS and CoA for documentation.

What is the cost of bulk piroctone olamine?

Pricing depends on grade, pack size, and volume. RawSource quotes to spec — request a current quote with your target quantity.

What is the REACH and TSCA regulatory status of Piroctone Olamine?

Piroctone Olamine (CAS 68890-66-4) is recorded as REACH-registered in ECHA's public CHEM database (EC 272-574-2); it was not found on EPA's public (non-confidential) TSCA Inventory file.

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Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.
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