ERGOTHIONEINE- ▸ Cosmetic antioxidant: Antioxidant active in personal-care formulations.
- ▸ Skin-conditioning ingredient: Conditioning agent in cosmetic formulations.
- ▸ Formulation stabilizer: Helps limit oxidative degradation in formulations.
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 →Ergothioneine (CAS 497-30-3) is a naturally occurring thiol-bearing, histidine-derived amino acid. It is used as an antioxidant ingredient in cosmetic and personal-care formulations.
Frequently Asked Questions
What is ergothioneine?
Ergothioneine (CAS 497-30-3) is a naturally occurring thiol-bearing, histidine-derived amino acid, molecular formula C9H15N3O2S. It is supplied as a raw ingredient used as an antioxidant active in cosmetic and personal-care formulations.
What is ergothioneine used for in formulations?
Ergothioneine is used as an antioxidant ingredient and skin-conditioning agent in personal-care formulations, and as a formulation stabilizer that helps limit oxidative degradation. RawSource supplies the ingredient for formulators to incorporate at their specified use levels; finished-product claims are the formulator's responsibility.
What grade and identity does RawSource supply?
We supply ergothioneine referenced to CAS 497-30-3 with a lot-specific Certificate of Analysis confirming identity and purity. Cite the CAS number on RFQs to ensure correct material. Cosmetic-use suitability for your jurisdiction is the formulator's responsibility per the supplied CoA and SDS.
How should ergothioneine be stored and handled?
Handling, storage, and compatibility information is provided on the SDS supplied with each lot; ergothioneine is a solid raw ingredient typically handled under standard dry-chemical practices. Request the current SDS before specifying. Lot-specific data governs.
How is ergothioneine supplied in bulk?
RawSource supplies ergothioneine to cosmetic and personal-care manufacturers in kilogram and larger quantities, with packaging and MOQ confirmed at quotation. It classifies under HS 2933.29. Submit a bulk RFQ with your required volume and purity specification.