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Postion:Product Catalog >Inorganic chemistry>Inorganic salts>Metal Sulphides and sulphates>Pyridine sulfur trioxide
Pyridine sulfur trioxide
  • Pyridine sulfur trioxide

Pyridine sulfur trioxide NEW

Price Get Latest Price
Package 20kg
Min. Order: 1kg
Supply Ability: 1
Update Time: 2025-11-04

Product Details

Product Name: Pyridine sulfur trioxide CAS No.: 26412-87-3
EC-No.: 247-683-3 Min. Order: 1kg
Purity: 98% Supply Ability: 1
Release date: 2025/11/04

Product name : Pyridine sulfur trioxide

MFC5H5NO3S

MW159.16

CAS26412-87-3

AppearanceWhite powder

Dangerous mark: C

Safety term: S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39:Wear suitable protective clothing, gloves and eye/face protection

Risk term: R22:Harmful if swallowed. R34:Causes burns.

Main application : Pyridine sulfur trioxide is an intermediate of sodium sugar anhydride sodium ester. Generally used as a sulfonation agent, mild reaction, the nature of stability; in the field of biological pharmacy, commonly used as organic oxidants and sulfuric acid esterification agent. Special sulfonation reagents for sulfonation of furan, pyridine, etc.. Also used as an oxidizing agent and as a sulfonation agent.







Company Profile Introduction

Nanjing Shunxiang Pharmaceutical Technology Co., Ltd. is a high-tech enterprise specializing in the research and development, production, sales, and industrial information services of pharmaceutical chemical intermediates. The company operates in collaboration with Nanjing Tengxiang Import and Export Trading Co., Ltd. (established in 2007), responsible for market promotion and international trade business through its platform. The company's main product production capacity is as follows: Diisopropyl azodicarboxylate (DIAD): produced since 2003, with an annual production capacity of 1500 tons; Di tert butyl dicarbonate (Di Boc): annual production capacity of 5000 tons; Di tert butyl azodicarboxylate (DBAD): annual production capacity of 80 tons; Pyridine p-toluenesulfonate (PPTS): Annual production capacity of 120 tons; Pyridine trioxide (PST): annual production capacity of 150 tons; Tribromopyridinium (PHBP): Annual production capacity of 90 tons. Looking towards the future, Shunxiang Pharmaceutical will continue to deeply cultivate the pharmaceutical chemical intermediate industry, continuously expand product lines, strengthen technological iteration, deepen cooperation with domestic and foreign customers from a global strategic perspective, and continue to practice the long-term development vision of "being the oldest professional chemical production enterprise".

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  • Since: 2016-06-07
  • Address: NO.379 Wenxi Road, Chunxi Town, Gaochun District, Nanjing,Jiangsu Province, China
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