Molekula
2,5-Dihydroxy-1,4-dithiane
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
2,5-Dihydroxy-1,4-dithiane is a sulfur-containing organic compound used in synthetic chemistry, particularly in the development of pharmaceutical intermediates and specialty materials. It is a crystalline solid with the molecular formula C4H8O2S2 and a molecular weight of 152.24 g/mol. It is classified as a hazardous substance with a signal word of Danger and must be stored at 2 to 8 °C. Molekula supplies 2,5-Dihydroxy-1,4-dithiane 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.
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100 g — £49.20 per pack ex VAT · £59.04 inc. VAT
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1 kg — £230.60 per pack ex VAT · £276.72 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 | Powder |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 130 °C at 760 mmHg |
| Solubility (other solvents) | Slightly soluble in water; soluble in alcohol |
Source: PubChem CID 98330 (Human Metabolome Database (HMDB), Joint FAO/WHO Expert Committee on Food Additives (JECFA))
Identification
| Property | Value |
|---|---|
| SKU | 11970781 |
| CAS Number | 40018-26-6 |
| IUPAC Name | 1,4-dithiane-2,5-diol |
| EC Number | 254-751-6 |
| Molecular Formula | C4H8O2S2 |
| Molecular Weight | 152.24 |
| Exact Mass | 151.9966 |
| SMILES | C1C(SCC(S1)O)O |
| InChIKey | YUIOPHXTILULQC-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H8O2S2/c5-3-1-7-4(6)2-8-3/h3-6H,1-2H2 |
| PubChem CID | 98330 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| HTS Code | 29349990 |
| Tariff Code | 2934999090 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H301 Toxic if swallowed
- H317 May cause an allergic skin reaction
- H318 Causes serious eye damage
- H373 May cause damage to organs through prolonged or repeated exposure
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- 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
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
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
- 1,4-dithian-2,5-diol
- 1,4-Dithiane-2,5-diol
- 2,5-Dihydroxy-1,4-dithian
- 4-dithiane-2,5-diol
- Dithian
- FEMA 3826
- FEMA NO. 3826
- mercapto acetaldehyde
- Mercaptoacetaldehyde dimer
- p-Dithiane-2,5-diol
Frequently asked questions
What is 2,5-Dihydroxy-1,4-dithiane used for?
It is primarily used as a synthetic intermediate in organic chemistry, particularly in the synthesis of sulfur-containing compounds and pharmaceuticals.
What is the chemical formula and molecular weight of 2,5-Dihydroxy-1,4-dithiane?
The formula is C4H8O2S2 with a molecular weight of 152.24 g/mol.
How should 2,5-Dihydroxy-1,4-dithiane be stored?
It should be stored at 2 to 8 °C to maintain stability and prevent degradation.
What grade is available for this product?
This product is available in technical grade; custom purity levels may be requested.
Can Molekula supply 2,5-Dihydroxy-1,4-dithiane in bulk?
Yes, Molekula can supply this compound in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
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.