What is PPG-11 Stearyl Ether and how does it compare across the PPG-ether series?
PPG-11 stearyl ether is a stearyl (C18) alcohol polypropylene-glycol ether with about 11 PPG units. Its long C18 cap gives a substantive, conditioning emollient feel; it differs from PPG-15 stearyl ether only in propoxylation degree (11 versus 15 PPG units). Bulk quantities are sourced to specification.
PPG-11 Stearyl Ether- ▸ Skin care: Emollient and skin-conditioning agent
- ▸ Hair care: Conditioning agent
- ▸ Cosmetic formulating: Co-emulsifier and texture modifier
| Grade | Alkyl cap | Avg. PPG units | CAS No. |
|---|---|---|---|
| PPG-3 Myristyl Ether | Myristyl (C14) | 3 | 63793-60-2 |
| PPG-10 Cetyl Ether | Cetyl (C16) | 10 | 68424-61-3 |
| PPG-11 Stearyl Ether you are here | Stearyl (C18) | 11 | 68155-01-1 |
| PPG-14 Butyl Ether | Butyl (C4) | 14 | 9043-30-5 |
| PPG-15 Stearyl Ether | Stearyl (C18) | 15 | 25231-21-4 |
How to choose: These are polypropylene glycol (PPG) ethers of fatty alcohols — nonionic emollients and solvents. Unlike a PEG (ethoxylate) chain, the PPG (propoxylate) chain is lipophilic, so more PPG units raise oil-solubility, spreadability and pigment-wetting while keeping the grade oil- rather than water-soluble. The alkyl cap sets the skin-feel: the long C16-C18 cetyl and stearyl ethers give a richer, more substantive conditioning emolliency, while the short butyl ether is a lighter, more solvent-like carrier and coupling agent.
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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.
Request SDS →PPG-11 stearyl ether is a propoxylated stearyl (C18) fatty alcohol used in personal-care formulations as an emollient and skin-conditioning agent.
Regulatory & registration requirements
- TSCA (US):
- REACH (EU): Not determined from public registry
- EC number: 931-973-8
TSCA Inventory flag XU: a substance exempt from reporting under the Chemical Data Reporting Rule (40 CFR 711) (EPA flag legend).
Source: EPA TSCA Inventory (July 2025 release) · ECHA CHEM — retrieved 2026-07-12
Frequently Asked Questions
What is PPG-11 stearyl ether?
PPG-11 stearyl ether is a propoxylated stearyl (C18) fatty alcohol used in personal-care formulations as an emollient and skin-conditioning agent.
What is PPG-11 stearyl ether used for?
Formulators use it as an emollient and skin-conditioning agent in skin care, as a conditioning agent in hair care, and as a co-emulsifier and texture modifier in cosmetic formulating. It is supplied as a raw material to cosmetic manufacturers.
Is PPG the same as propylene glycol?
No. PPG (polypropylene glycol) is a polymer of propylene-oxide units, while propylene glycol is the small two-carbon diol monomer. PPG-11 stearyl ether is a propoxylated fatty alcohol, distinct from propylene glycol. Specify by to avoid substitution.
What is the difference between PPG-11 stearyl ether and the parent stearyl alcohol?
Stearyl alcohol is the C18 fatty alcohol; PPG-11 stearyl ether is that alcohol propoxylated with about eleven propylene-oxide units, which alters its emolliency and solubility for formulation. Identity data appear on the CoA per lot.
What packaging is available for bulk supply?
We supply PPG-11 stearyl ether to formulators in industrial packaging such as drums and pails, with a CoA and SDS per lot. Request a quote with your target volume and packaging preference for current bulk pricing.
What is the REACH and TSCA regulatory status of PPG-11 Stearyl Ether?
PPG-11 Stearyl Ether (CAS 68155-01-1) is listed as Active on the U.S. EPA TSCA Inventory; its REACH registration status is not determined from the public ECHA registry.