Molekula
Sulfuryl chloride, 99% min.
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
Sulfuryl chloride is a highly reactive inorganic sulfuryl halide primarily used as a chlorinating agent in organic synthesis, pharmaceuticals, and pesticide production. It efficiently replaces hydrogen atoms with chlorine in chemical structures. This product meets a minimum purity of 99%, with a CAS number of 7791-25-5, molecular formula Cl2O2S, and a molecular weight of 134.97 g/mol. It is stored at ambient conditions and carries a Danger signal word for handling. Molekula supplies sulfuryl chloride 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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 |
| Purity (Titration) | ≥99.0% |
| Cl2 | ≤0.1% |
| Distillation residue | ≤0.02% |
| Assay Iodometric titration | ≤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 | 90035275 |
| 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
-
Corrosive
GHS05
-
Toxic
GHS06
-
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
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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
- 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 primarily used for?
Sulfuryl chloride is commonly used for chlorosulfonation of organic compounds, as a reagent in organic synthesis, and for the production of pharmaceuticals, agrochemicals, and dyes.
What is the chemical formula and molecular weight of sulfuryl chloride?
The chemical formula is Cl₂O₂S, and the molecular weight is 134.97 g/mol.
What safety classification does sulfuryl chloride have?
Sulfuryl chloride is classified with the Signal Word: Danger due to its corrosive and toxic properties.
How should sulfuryl chloride be stored?
Store sulfuryl chloride in a cool, dry place at ambient temperature, away from moisture, incompatible materials, and in a well-ventilated area.
Can Molekula supply sulfuryl chloride in bulk quantities?
Yes, Molekula can supply sulfuryl chloride in bulk, with quantities tailored to your specific requirements—please contact us for details.
What documentation comes with a sulfuryl chloride order?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet meeting regulatory standards.
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.