Molekula
Isopropyl toluene-4-sulphonate
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
Isopropyl toluene-4-sulphonate is a neutral alkyl sulfonate ester and alkylating agent used primarily in the synthesis of pharmaceuticals and agrochemicals, where it serves as an isopropylating reagent in organic reactions. It is also used as a USP reference standard for monitoring genotoxic sulfonate ester impurities in pharmaceutical analysis. This chemical has a CAS number of 2307-69-9, a molecular formula of C10H14O3S, and a molecular weight of 214.28. It requires storage between 2 to 8°C and carries a signal word of "Warning" for safety classification. Molekula supplies Isopropyl toluene-4-sulphonate 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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Specifications
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Flash Point | 110 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90022250 |
| CAS Number | 2307-69-9 |
| IUPAC Name | propan-2-yl 4-methylbenzenesulfonate |
| EC Number | 218-989-4 |
| Molecular Formula | C10H14O3S |
| Molecular Weight | 214.28 |
| Exact Mass | 214.0664 |
| SMILES | CC1=CC=C(C=C1)S(=O)(=O)OC(C)C |
| InChIKey | SDQCGKJCBWXRMK-UHFFFAOYSA-N |
| InChI | InChI=1S/C10H14O3S/c1-8(2)13-14(11,12)10-6-4-9(3)5-7-10/h4-8H,1-3H3 |
| PubChem CID | 598985 |
| REACH Code | Y110 |
| HTS Code | 29051900 |
| Tariff Code | 2905190098 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
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
- 2-propyl tosylate
- Benzenesulfonic acid, 4-methyl-, 1-methylethyl ester
- ISO-PROPYL P-TOLUENESULFONATE (USP-RS)
- Isopropyl 4-methylbenzenesulfonate
- Isopropyl p-Toluenesulfonate
- Isopropyl p-Tosylate
- Isopropyl toluene-4-sulfonate
- isopropyl tosylate
- P-TOLUENESULFONIC ACID, ISOPROPYL ESTER
- propan-2-yl 4-methylbenzenesulfonate
Frequently asked questions
What is isopropyl toluene-4-sulphonate commonly used for?
Isopropyl toluene-4-sulphonate is primarily used as an alkylating (isopropylating) reagent in chemical synthesis and as an analytical reference standard for genotoxic impurity testing in laboratory applications.
What is the chemical formula and molecular weight of isopropyl toluene-4-sulphonate?
The chemical formula is C10H14O3S, and the molecular weight is 214.28 g/mol.
How should isopropyl toluene-4-sulphonate be stored?
Store at 2 to 8°C in a cool, dry place, away from incompatible substances and direct sunlight.
What grade or purity level is available for this product?
Molekula supplies analytical and industrial grades of isopropyl toluene-4-sulphonate, with purity levels specified on the product documentation.
Can Molekula supply this product in bulk quantities?
Yes, we offer bulk packaging options—please contact our sales team for availability and pricing.
What documentation comes with an order of isopropyl toluene-4-sulphonate?
Each order includes a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and batch-specific documentation for traceability.
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.