Glyceryl monothioglycolate

CAS Number

30618-84-9

EC Number

250-264-8

Industries: Personal Care & Cosmetics Textiles, Leather & Paper

What is Glyceryl monothioglycolate?

Glyceryl monothioglycolate (CAS 30618-84-9), also known as glycerol monomercaptoacetate, is a thiol-functional ester used as a reducing agent and surface-modifying ingredient.

Where is Glyceryl monothioglycolate used?

Hair care: primary active in acid-wave permanent waving systems, breaking and reforming keratin disulfide bonds to reshape hair structure
Textile processing: improves dye uptake and surface uniformity on wool and protein fibers during wet finishing
Leather processing: depilatory and fiber-opening agent
Paper and specialty substrates: modifies surface chemistry for adhesion or coating receptivity
Its free sulfhydryl group enables controlled disulfide bond cleavage in fiber and substrate treatment.

Good to know: Buyers should confirm active assay and stabilizer content before purchase. The compound is sensitive to oxidation during storage, requiring careful handling.

Commercial specifications

Cosmetic-grade product manufactured to purity specifications for regulated personal care formulations
Technical and cosmetic grades

Other Names (Synonyms)

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What are the physical properties of Glyceryl monothioglycolate?

Boiling Point 244°C[at 101 325 Pa]

Density 1.315[at 20℃]

Water Solubility 1000g/L at 20℃

Vapor Pressure 0.001Pa at 25℃

Log P 0.45 at 22℃

How is Glyceryl monothioglycolate classified and handled safely? Learn More

Danger

GHS06· Toxic GHS07· Irritant

Hazard Statements

H301 Toxic if swallowed

H312 Harmful in contact with skin

H317 May cause an allergic skin reaction

Precautionary Statements

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

P264 Wash … thoroughly after handling.

P270 Do not eat, drink or smoke when using this product.

P272 Contaminated work clothing should not be allowed out of the workplace.