Natural Extracts & Oils Available — Bulk Only

Milk Thistle Extract (Silymarin)

CAS 84604-20-6 · Formula C25H22O10 · MW 482.4 g/mol

A standardized Silybum marianum extract supplied as an 80% silymarin flavonolignan complex. It is supplied as a dietary supplement ingredient and is used in cosmetic formulations as a skin-conditioning agent.

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HS Code
1302.19
At a Glance
Material Family
Natural Extracts & Oils
Record Type
Pure compound
Primary Role
Conditioning
Functional Roles
SILYBUM MARIANUM SEED OIL
SKIN CONDITIONING
Applications & Use Cases
  • Dietary supplement ingredient: Standardized botanical extract used in supplement formulations.
  • Cosmetic skin conditioning: Functions as a skin-conditioning ingredient in cosmetic formulations.
  • Standardized actives: Supplies a defined silymarin flavonolignan complex for formulation.
Physical Properties
Physical Description
Solid
Melting Point
167 °C
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
1302 . 19
Chapter 13
Chemical product (see national tariff schedule for the full classification)
Heading 13.02
Internationally harmonized (WCO HS)
Subheading 1302.19
6-digit international code — national tariff line adds further digits
Chemical Identity
CAS Number
84604-20-6
Molecular Formula
C25H22O10
Molecular Weight
482.4 g/mol
IUPAC Name
3,5,7-trihydroxy-2-[3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-2,3-dihydrochromen-4-one
INCI Name
SILYBUM MARIANUM SEED OIL
PubChem CID
InChI Key
SEBFKMXJBCUCAI-UHFFFAOYSA-N
Synonyms & Trade Names
SILYMARIN Silimarin Silybin Flavobin Spofa Silymarin (>80%) Silibin Apihepar SR-01000000093 Silybin;Silibinin A;Silymarin I Laragon Silmyarin
Full Description

Milk thistle extract (CAS 84604-20-6) is a botanical extract of Silybum marianum standardized to a silymarin flavonolignan content (commonly 80%). It is supplied as a dietary supplement ingredient and is used in cosmetic formulations as a skin-conditioning agent.

Frequently Asked Questions

What is Milk Thistle 80%?

Milk Thistle 80% (CAS 84604-20-6) is a botanical extract of Silybum marianum standardized to roughly 80% silymarin flavonolignan content. It is supplied as a dietary-supplement ingredient and as a skin-conditioning ingredient for cosmetic formulations.

What does the 80% in Milk Thistle 80% refer to?

The 80% denotes the standardized silymarin flavonolignan content of the extract, the defined active complex measured by assay. Standardizing to a fixed silymarin level lets formulators dose a consistent active load across batches.

What is milk thistle extract used for in formulation?

It is used as a standardized botanical active in dietary-supplement formulations and as a skin-conditioning ingredient in cosmetics. RawSource supplies it as a defined silymarin flavonolignan complex for these formulation uses.

What grades and forms of milk thistle extract are available?

Milk thistle extract is commonly supplied as a powder standardized to a silymarin percentage (such as 80%); other standardization levels exist depending on the source. Specify your required silymarin assay and form, and request a CoA and SDS to confirm the supplied specification.

How is bulk milk thistle extract packaged and ordered?

RawSource supplies standardized botanical extracts in bulk packaging such as drums and bags to supplement and cosmetic manufacturers. Pricing depends on standardization level and volume, so submit a bulk quote with your target silymarin assay and quantity rather than relying on a list price.

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.