Molekula
Sulfuryl chloride
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Sulfuryl chloride is a highly reactive inorganic compound primarily used as a chlorinating and sulfonylating agent in organic synthesis, pharmaceuticals, and industrial chemical manufacturing. It is also employed for the production of pesticides, dyes, and as a reagent in laboratory settings. This chemical has a CAS number of 7791-25-5, with the molecular formula Cl2O2S and a molecular weight of 134.97 g/mol. It should be stored at ambient conditions but handled with extreme caution due to its corrosive and toxic properties, as indicated by its "Danger" signal word.
Molekula supplies Sulfuryl chloride at ≥ 99% purity in 1 L packs, from £185.16 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and a safety data sheet is available. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
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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1 L — £154.30 per pack ex VAT · £185.16 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, yellowish liquid |
| Boiling Point | 67 - 69.4°C (@1013 hPa) |
| Purity | ≥ 99% |
| Cl2 | ≤ 0.1% |
| Distillation residue | ≤ 0.02% |
| Sulphur dioxide (SO2) | ≤ 0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 (8) |
| Packing Group | I |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless, mobile liquid |
| Odour | Very pungent odor |
| Melting Point | -54.1 °C |
| Boiling Point | 69.1 °C |
| Density | 1.67 (relative, water = 1) |
| Vapour Pressure | 14.8 kPa at 20 °C |
| Refractive Index | 1.4437 |
Source: PubChem CID 24648 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 17898944 |
| CAS Number | 7791-25-5 |
| IUPAC Name | sulfuryl dichloride |
| EC Number | 232-245-6 |
| Molecular Formula | Cl2O2S |
| Molecular Weight | 134.97 |
| Exact Mass | 133.8996 |
| SMILES | O=S(=O)(Cl)Cl |
| InChIKey | YBBRCQOCSYXUOC-UHFFFAOYSA-N |
| InChI | InChI=1S/Cl2O2S/c1-5(2,3)4 |
| PubChem CID | 24648 |
| UN Number | UN1834 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2812.19.0090 |
| Tariff Code | 2812199000 |
Safety & GHS
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Corrosive
GHS05
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Toxic
GHS06
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Health Hazard
GHS07
Hazard statements
- EUH014 Reacts violently with water
- EUH029 Contact with water liberates toxic gas
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H330 Fatal if inhaled
- H335 May cause respiratory irritation
- H412 Harmful 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
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+312 IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- ClSO2Cl
- Sulfonyl chloride
- Sulfonyl dichloride
- SULFUR CHLORIDE OXIDE (SO2CL2)
- Sulfur oxychloride (SO2Cl2)
- Sulfuric dichloride
- Sulfuric oxychloride
- Sulfuryl chloride (SO2Cl2)
- Sulfuryl dichloride
- Sulphuryl chloride
Frequently asked questions
What is sulfuryl chloride commonly used for?
Sulfuryl chloride is primarily used as a chlorinating agent in organic synthesis, for introducing chlorine atoms into aromatic rings, and as a reagent in the production of pharmaceuticals, agrochemicals, and specialty chemicals.
What is the molecular formula and molecular weight of sulfuryl chloride?
The molecular formula is Cl₂O₂S, and the molecular weight is 134.97 g/mol.
How should sulfuryl chloride be stored?
Store sulfuryl chloride in a cool, dry, well-ventilated area at ambient temperature, away from incompatible materials like water, alcohols, and strong oxidizers.
What grades of sulfuryl chloride does Molekula supply?
Molekula supplies sulfuryl chloride with a purity of ≥ 99%, with specified limits of ≤ 0.1% Cl2, ≤ 0.5% sulphur dioxide (SO2) and ≤ 0.02% distillation residue, for industrial and research applications, meeting standard purity requirements for chlorination reactions.
Can Molekula supply sulfuryl chloride in bulk quantities?
Yes, Molekula can supply sulfuryl chloride in bulk quantities (e.g., drums or IBCs) for large-scale industrial use—please contact us for specific packaging options.
What documentation is provided with a sulfuryl chloride order?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability and compliance.
Where can I buy Sulfuryl chloride?
Directly from Molekula, which lists Sulfuryl chloride in 1 L packs from £185.16 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
Is Sulfuryl chloride dangerous goods for shipping?
Yes. Sulfuryl chloride ships as dangerous goods: UN1834, class 6.1 (8), packing group I.
Ready to order or need a custom pack?
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