Molekula
Sulfuryl chloride 99.5 % 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 (SO₂Cl₂) is a highly reactive chemical used primarily for chlorination reactions in organic synthesis, pharmaceuticals, and agrochemical production. It serves as a selective chlorinating agent, replacing hydrogen atoms with chlorine in compounds. This product meets a minimum purity of 99.5%, with a CAS number of 7791-25-5 and a molecular weight of 134.97. It should be stored at ambient conditions, and it carries a "Danger" signal word due to its hazardous properties. 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.
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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 | Colourless to yellow liquid |
| Assay | min 99.5% |
| Free Chlorine | max 0.1% |
| Free Sulphur dioxide | max 0.4% |
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 | 90031083 |
| 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
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 as a chlorinating agent in organic synthesis, for the production of pesticides, pharmaceuticals, and as a reagent in sulfonyl chloride formation.
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**.
How should sulfuryl chloride be stored?
Store sulfuryl chloride in a tightly sealed container at **ambient temperature**, away from moisture, incompatible materials, and sources of ignition.
What purity grade is available for sulfuryl chloride from Molekula?
Molekula supplies sulfuryl chloride at a minimum purity of **99.5%**.
Can Molekula supply sulfuryl chloride in bulk quantities?
Yes, Molekula can provide sulfuryl chloride in bulk, with quantities tailored to customer requirements—please contact us for specific availability.
What documentation comes with a sulfuryl chloride order?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and compliance documentation as required by regulations.
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.