P-toluenesulfonic acid
P-toluenesulfonic acid is widely used in the synthesis of pharmaceuticals, pesticides, stabilizers for polymerization reactions, catalysts for organic synthesis (esters, etc.), intermediates for coatings and resin curing agents. It is a common acid catalyst for organic synthesis. It can be neutralized with sodium hydroxide to produce sodium p-toluenesulfonate, and then with the action of phosphorus pentachloride, p-toluenesulfonyl chloride can be produced. The latter is used in the nucleophilic substitution reaction, also used as the protective base of hydroxyl group. The use of p-toluenesulfonic acid also catalyzes the dihydrofuran protecting group on s, carboxylic acid esterification, ester exchange reaction, and makes aldehydes to generate acetal and so on.
Brand: Soarwin
CAS No.: 104-15-4
EC Number: 203-180-0
Molecular Formula: C7H8O3S
Density: 1.07
Melting point: 106~107℃
Boiling point: 116 °C
Flash point: 41 °C
Contact : Crystal Zhao, +12 1 37 59 13 58
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510800 Raw materialsReport abuse
Wednesday, April 08, 2015
Quantity : 100 grams - Price : 7USD
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Guangzhou OTT New Materials Co.,Ltd.
- 510800 - Guangzhou
- 86 020 86819712
250200 Equipment goodsReport abuse
Tuesday, November 11, 2014
copper wire for saleER70S-6,co2 mig welding wires Shandong Zander Sourcing Company Limited 1.place of orginal: Shandong,China. 2.Brand name: Zander 3.Material: CO2 4.Diameter: 1.0mm 5.Standard: AWSER70S-6 6.Specifications : er70s-6 welding wire ;fast depositing speed;high...
Shandong Zander Resourcing Co.Ltd
- zanderwelding
- 250200 - zhangqiu
- 86 531 83231687
- 86 15552539082
50100 Everything else / BulkReport abuse
Tuesday, March 03, 2026
Quantity : 80000 Ream - Price : $0.79/Ream for 8000
SPECIFICATION PaperOne Copy paper A4 80Gsm Features Of A4 Paper One Copy Paper 80Gsm : Substance G/M2 80 + - 2.5 - Substance Variation Cd - Thickness Difference Cd % Equal To/Below 10 - Brightness % 100-102 - Opacity % Equal To/Below 90 - Breaking Length Average M Equal To/Above...
NATH LAOH LTD
- 50100 - Chiang Mai
- +66 9 95 35 59 56
