Propyl p-toluenesulfonate
- CAS No.
- 599-91-7
- Chemical Name:
- Propyl p-toluenesulfonate
- Synonyms
- Propyl tosylate;n-Propyltosylat;N-PROPYLTOSYLATE;PROPYL P-TOSYLATE;Propyl4-toluenesulfonate;Propyl p-toluenesulfonate;propyltoluene-4-sulphonate;Propylpara-toluenesulfonate;N-PROPYL P-TOLUENESULFONATE;PROPYLPARA-TOLUENESULPHONATE
- CBNumber:
- CB2174794
- Molecular Formula:
- C10H14O3S
- Molecular Weight:
- 214.28
- MDL Number:
- MFCD00059244
- MOL File:
- 599-91-7.mol
- MSDS File:
- SDS
| Melting point | <-20 °C |
|---|---|
| Boiling point | 140 °C (2 mmHg) |
| Density | 1.15 |
| refractive index | 1.5065-1.5085 |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| form | Liquid |
| color | Clear light yellow |
| InChI | InChI=1S/C10H14O3S/c1-3-8-13-14(11,12)10-6-4-9(2)5-7-10/h4-7H,3,8H2,1-2H3 |
| InChIKey | JTTWNTXHFYNETH-UHFFFAOYSA-N |
| SMILES | C1(S(OCCC)(=O)=O)=CC=C(C)C=C1 |
| CAS DataBase Reference | 599-91-7 |
| FDA UNII | G4M5N22X54 |
| EPA Substance Registry System | Benzenesulfonic acid, 4-methyl-, propyl ester (599-91-7) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319 | |||||||||
| Precautionary statements | P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313 | |||||||||
| Hazard Codes | Xn | |||||||||
| Risk Statements | 36/37/38-22 | |||||||||
| Safety Statements | 37/39-26 | |||||||||
| TSCA | TSCA listed | |||||||||
| HS Code | 29041000 | |||||||||
| REACH Registrations | Active | |||||||||
| NFPA 704 |
|
Propyl p-toluenesulfonate price More Price(37)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| TCI Chemical | T0726 | Propyl p-Toluenesulfonate >98.0%(GC) | 599-91-7 | 25mL | $48 | 2026-04-30 | Buy |
| TCI Chemical | T0726 | Propyl p-Toluenesulfonate >98.0%(GC) | 599-91-7 | 500mL | $326 | 2026-04-30 | Buy |
| Biosynth | AAA59991 | Propyl toluene-4-sulphonate | 599-91-7 | 0.5g | $412.5 | 2026-06-04 | Buy |
| Biosynth | AAA59991 | Propyl toluene-4-sulphonate | 599-91-7 | 5g | $1375 | 2026-06-04 | Buy |
| ChemScene | CS-0152046 | Propyl 4-methylbenzenesulfonate ≥97% | 599-91-7 | 500g | $207 | 2026-06-04 | Buy |
Propyl p-toluenesulfonate Chemical Properties, Uses, Production
Chemical Properties
clear light yellow liquid
Uses
Propyl 4-Toluenesulfonate is used as a catalyst for epoxy resins and amine compositions. Propyl 4-Toluenesulfonate is also used in soldering of electronic parts.
Hazard
PROPYL P-TOLUENESULFONATE is irritating to the eyes and skin. Contact may cause skin poisoning and serious eye damage. Harmful if inhaled or swallowed.
Synthesis
71-23-8
104-15-4
599-91-7
1. Install a thermometer and set up magnetic stirring in a 100mL three-neck flask. Add 20 mL of dichloromethane and cool the reaction flask in an ice bath to an internal temperature of 0-5°C. 2. p-Toluenesulfonic acid monohydrate (380.44 mg, 2.0 mmol), bis(trichloromethyl)carbonate (236 mg, 0.80 mmol, 0.40 equiv), and potassium phosphate trihydrate (K3PO4-3H2O, 1.38 g, 6 mmol, 3 equiv) were added to the reaction flask sequentially, and the flask was stirred for 5 minutes. 3. Two drops of triethylamine (~20 mg, 0.10 equiv) were added dropwise to the reaction vial and after bubbles were observed, the ice bath was removed and the reaction mixture was allowed to warm up to room temperature. Stirring was continued for 20 minutes. 4. n-Propanol (120.2 mg, 2.0 mmol), triethylamine (202.4 mg, 2.0 mmol) and trimethylamine hydrochloride (13.1 mg, 0.2 mmol) were added sequentially and the mixture was stirred for 30 min at room temperature. The reaction process was monitored by TLC. 5. Upon completion of the reaction, the reaction mixture was filtered and the filter cake was washed with 5 mL of dichloromethane to remove unreacted salt. 6. The filtrate was concentrated to dryness under reduced pressure to give 386 mg of propyl p-toluenesulfonate (yield: 90%).
References
[1] Patent: KR2015/67792, 2015, A. Location in patent: Paragraph 0026; 0027
Propyl p-toluenesulfonate Preparation Products And Raw materials
Raw materials
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Preparation Products
Propyl p-toluenesulfonate Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Shouguang Nuomeng Chemical Co Ltd. | 0536-5399456 13869682027 | holly@nuomengchem.com | China | 47 | 58 |
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| TCI (Shanghai) Development Co., Ltd. | 021-67121386 | Sales-CN@TCIchemicals.com | China | 24512 | 81 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44850 | 61 |
| Beijing Ouhe Technology Co., Ltd | 13552068683 13522913783 | 2355560935@qq.com | China | 11777 | 60 |
| Shanghai Hanhong Scientific Co.,Ltd. | 021-54306202 13764082696 | info@hanhongsci.com | China | 42917 | 64 |
| XiaoGan ShenYuan ChemPharm co,ltd | 15527621225; 15527621225 | 1791901229@qq.com | China | 6741 | 52 |
| Maya High Purity Chemicals | +86 (573) 82222445 (0)18006601000 452520369 | sales@maya-r.com | China | 11693 | 57 |
| Thermo Fisher Scientific | 800-810-5118 | cnchemical@thermofisher.com | China | 17752 | 75 |
View Latest Price from Propyl p-toluenesulfonate manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-09-02 | Propyl 4-methylbenzenesulfonate
599-91-7
|
$1.00-122.00 | 1KG | 99% | Henan Fengda Chemical Co., Ltd | ||
 |
2026-08-25 | Propyl P-Toluenesulfonate, Propyl P-Toluene Sulfonate; P-Toluenesulfonic Acid Propyl Ester
599-91-7
|
$5800.00 | 1KG | 99% Min. | 200 tons per month | Shouguang Nuomeng Chemical Co Ltd. | |
 |
2026-05-28 | PROPYL P-TOLUENESULFONATE
599-91-7
|
$2.00-5.00 | 1KG | 99% | 10000kg | Hebei Chuanghai Biotechnology Co,.LTD |
-
- Propyl 4-methylbenzenesulfonate
599-91-7
- $1.00-122.00
- 99%
- Henan Fengda Chemical Co., Ltd
-
- Propyl P-Toluenesulfonate, Propyl P-Toluene Sulfonate; P-Toluenesulfonic Acid Propyl Ester
599-91-7
- $5800.00
- 99% Min.
- Shouguang Nuomeng Chemical Co Ltd.
-
- PROPYL P-TOLUENESULFONATE
599-91-7
- $2.00-5.00
- 99%
- Hebei Chuanghai Biotechnology Co,.LTD
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