Molekula
2-Mercaptoethanol
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
2-Mercaptoethanol is a thiol compound used as a reducing agent in biochemical and molecular biology applications, including protein denaturation and nucleic acid purification. It also serves as an intermediate for dyestuffs, pharmaceuticals and rubber chemicals, and is used industrially as a PVC stabilizer and chain transfer agent. It is a colorless liquid with a pungent odor, highly reactive, and toxic. CAS: 60-24-2, Molecular formula: HSCH₂CH₂OH, Molecular weight: 78.13 g/mol. Store at 2 to 8 °C. Signal word: Danger. Molekula supplies 2-Mercaptoethanol 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.
Often bought together
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.
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25 mL — £25.00 per pack ex VAT · £30.00 inc. VAT
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100 g — £30.00 per pack ex VAT · £36.00 inc. VAT
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500 g — £77.10 per pack ex VAT · £92.52 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 | Clear colourless to pale yellow liquid |
| Refractive Index | 1.4985-1.5025 |
| Identification | Conforms to reference |
| Assay | ≥98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Flash Point | 74 °C |
| Transport Class | 6.1 |
| Packing Group | II |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Water-white mobile liquid |
| Odour | Strong disagreeable odor |
| Melting Point | -100 °C |
| Boiling Point | 158 °C |
| Density | 1.1 (relative, water = 1) |
| Water Solubility | Miscible in water |
| Vapour Pressure | 0.13 kPa at 20 °C |
| Refractive Index | 1.4996 |
| pKa | pKa = 9.72 (at 25 °C) |
Source: PubChem CID 1567 (HSDB, CAMEO Chemicals, DrugBank, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 37807035 |
| CAS Number | 60-24-2 |
| IUPAC Name | 2-sulfanylethanol |
| EC Number | 200-464-6 |
| Molecular Formula | HSCH2CH2OH |
| Molecular Weight | 78.13 |
| Exact Mass | 78.0139 |
| SMILES | C(CS)O |
| InChIKey | DGVVWUTYPXICAM-UHFFFAOYSA-N |
| InChI | InChI=1S/C2H6OS/c3-1-2-4/h3-4H,1-2H2 |
| PubChem CID | 1567 |
| UN Number | UN2966 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2930.90.9251 |
| Tariff Code | 2930909599 |
Safety & GHS
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Corrosive
GHS05
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Toxic
GHS06
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H301 + H331 Toxic if swallowed or inhaled
- H310 Fatal in contact with skin
- H317 May cause an allergic skin reaction
- H318 Causes serious eye damage
- H361f Suspected of damaging fertility.
- H373 May cause damage to organs through prolonged or repeated exposure
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish, Swedish.
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-Hydroxyethanethiol
- 2-Sulfanylethanol
- 2-Thioethanol
- Beta-Mercaptoethanol
- Ethanol, 2-mercapto-
- Mercaptoethanol
- Monothioglycol
- Thioethylene glycol
- Thioglycol
- Thiomonoglycol
Frequently asked questions
What is 2-Mercaptoethanol used for?
It is commonly used as a reducing agent in biochemical applications, such as protein denaturation and DNA/RNA extraction.
What is the chemical formula and molecular weight of 2-Mercaptoethanol?
The formula is HSCH2CH2OH with a molecular weight of 78.13 g/mol.
How should 2-Mercaptoethanol be stored?
It should be stored at 2 to 8 °C, protected from light and air to prevent oxidation.
What grade of 2-Mercaptoethanol does Molekula supply?
We supply 2-Mercaptoethanol in high-purity grade suitable for laboratory and research use.
Can Molekula supply 2-Mercaptoethanol in bulk quantities?
Yes, we can supply 2-Mercaptoethanol in bulk; please contact our sales team for volume pricing and availability.
What documentation comes with a 2-Mercaptoethanol order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.