Molekula
Glyceryl monothioglycolate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Glyceryl monothioglycolate is an organic sulfur compound primarily used as a reducing agent in hair cosmetics, particularly in permanent wave solutions and hair relaxers, to break disulfide bonds in keratin. It is also employed in some industrial applications for its mild reducing properties. This chemical has the CAS number 30618-84-9, a molecular formula of C5H10O4S, and a molecular weight of 166.2 g/mol. It is stable at ambient storage conditions and carries a signal word of "Warning" for safety classification. Molekula supplies Glyceryl monothioglycolate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
-
1 g — £97.30 per pack ex VAT · £116.76 inc. VAT
-
5 g — £234.70 per pack ex VAT · £281.64 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Colorless transparent liquid |
| Identification | Conforms to reference |
| Specific Gravity | 1.320 - 1.330 g/cm3 |
| Assay | ≥82.0% |
| HSCH2COOH (%) | ≤2.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 89986251 |
| CAS Number | 30618-84-9 |
| IUPAC Name | 2,3-dihydroxypropyl 2-sulfanylacetate |
| EC Number | 250-264-8 |
| Molecular Formula | C5H10O4S |
| Molecular Weight | 166.2 |
| Exact Mass | 166.03 |
| SMILES | C(C(COC(=O)CS)O)O |
| InChIKey | DOGJSOZYUGJVKS-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H10O4S/c6-1-4(7)2-9-5(8)3-10/h4,6-7,10H,1-3H2 |
| PubChem CID | 3034372 |
| REACH Code | Y110 |
| Tariff Code | 29309098 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful 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
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
Documents
Safety Data Sheets (SDS)
Available in English, German, Italian.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 2,3-dihydroxypropyl 2-sulfanylacetate
- 2,3-dihydroxypropyl sulfanylacetate
- Acetic acid, 2-mercapto-, monoester with 1,2,3-propanetriol
- Acetic acid, mercapto-, monoester with 1,2,3-propanetriol
- Glycerol 1-monothioglycolate
- Glycerol monomercaptoacetate
- Glyceryl 1-monothioglycolate
- Glyceryl 1-thioglycolate
- Glyceryl thioglycolate
- Mercaptoacetic acid, monoester with 1,2,3-propanetriol
Frequently asked questions
What is glyceryl monothioglycolate commonly used for?
It is primarily used in hair care products as a reducing agent to break disulfide bonds in hair proteins, enabling hair straightening or perming.
What is the chemical formula and molecular weight of glyceryl monothioglycolate?
The chemical formula is **C₅H₁₀O₄S**, and the molecular weight is **166.2 g/mol**.
How should glyceryl monothioglycolate be stored?
Store at **ambient temperature** in a cool, dry place, away from direct sunlight and incompatible materials.
What grade or purity is available for glyceryl monothioglycolate?
Molekula supplies **technical-grade glyceryl monothioglycolate** (typically ≥98% purity) for industrial and cosmetic applications.
Can Molekula supply glyceryl monothioglycolate in bulk quantities?
Yes, we offer **bulk packaging options** (e.g., 1 kg, 5 kg, 25 kg drums) for large-scale production needs.
What documentation is provided with an order of glyceryl monothioglycolate?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.