4-Pyridinesulphonic acid

Product Name: 4-Pyridinesulphonic acid
CAS No.: 5402-20-0
Chemical Name: 4-Pyridinesulphonic acid
Synonyms: PYRIDINE-4-SULFONIC ACID;NSC 5082;Pyridine-4-suL;4-Sulphopyridine;TAK438 Impurity 30;TAK438 Impurity 154;4-Pyridinesulfonicaci;4-Pyridinesulfonicacid;Vonoprazan Impurity 154;Pyridin-4-sulfonic acid
CBNumber: CB6215149
Molecular Formula: C5H5NO3S
Formula Weight: 159.16
MOL File: 5402-20-0.mol

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4-Pyridinesulphonic acid Property

Melting point:: 330℃ (DEC.)
Density: 1.509
storage temp.: under inert gas (nitrogen or Argon) at 2-8°C
pka: -2.85±0.50(Predicted)
Appearance: White to off-white Solid
InChI: InChI=1S/C5H5NO3S/c7-10(8,9)5-1-3-6-4-2-5/h1-4H,(H,7,8,9)
InChIKey: PTWLOSARXIJRRJ-UHFFFAOYSA-N
SMILES: C1=NC=CC(S(O)(=O)=O)=C1

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Safety

Hazard Codes: C
HS Code: 2933399990

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Matrix Scientific

Product number: 144237
Product name: Pyridine-4-sulfonic acid
Packaging: 250.00mg
Price: $38
Updated: 2026/05/18

Matrix Scientific

Product number: 144237
Product name: Pyridine-4-sulfonic acid
Packaging: 1.00g
Price: $141
Updated: 2026/05/18

Matrix Scientific

Product number: 144237
Product name: Pyridine-4-sulfonic acid
Packaging: 5.00g
Price: $598
Updated: 2026/05/18

aablocks

Product number: AA00DCTD
Product name: 4-Pyridinesulfonic acid
Purity: 97%
Packaging: 100mg
Price: $10
Updated: 2026/05/28

aablocks

Product number: AA00DCTD
Product name: 4-Pyridinesulfonic acid
Purity: 97%
Packaging: 250mg
Price: $24
Updated: 2026/05/28

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4-Pyridinesulphonic acid Chemical Properties,Usage,Production

Uses

4-Pyridinesulphonic acid is an organic synthetic reagent for the preparation of 4-dimethylaminopyridine and its derivatives. It is also involved in the preparation of hydrogen sensor elements.

4-Pyridinesulphonic acid Preparation Products And Raw materials

Raw materials

Preparation Products

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4-Pyridinesulphonic acid Suppliers

China 103 Germany 2 India 3 The Netherlands 1 United Kingdom 1 United States 7 Global 117

Shenzhen Xingyue Biotechnology Co., Ltd

Tel: 18124513697; 18124513697
Fax: 18822823697
Email: jjj18822823697@163.com
Country: China
ProdList: 1377
Advantage: 58

Shanghai Boyle Chemical Co., Ltd.

Tel
Fax: 86-21-57758967
Email: sales@boylechem.com
Country: China
ProdList: 2922
Advantage: 55

J & K SCIENTIFIC LTD.

Tel: 18210857532; 18210857532
Fax: 86-10-82849933
Email: jkinfo@jkchemical.com
Country: China
ProdList: 96815
Advantage: 76

Meryer (Shanghai) Chemical Technology Co., Ltd.

Tel: 4006356688 18621169109
Fax: 86-21-61259102
Email: market03@meryer.com
Country: China
ProdList: 40228
Advantage: 62

Wuhan Chemwish Technology Co., Ltd

Tel: 86-027-67849912
Fax: 86-027-87531808
Email: sales@chemwish.com
Country: China
ProdList: 35896
Advantage: 56

Nanjing Chemlin Chemical Co., Ltd

Tel: 025-83697070 13770331960
Fax: +86-25-83453306
Email: info@chemlin.com.cn
Country: China
ProdList: 16100
Advantage: 64

Shanghai Hanhong Scientific Co.,Ltd.

Tel: 021-54306202 13764082696
Email: info@hanhongsci.com
Country: China
ProdList: 42934
Advantage: 64

Amber MolTech LLC

Tel: 086-010-62176588
Fax: 086-010-62117849
Email: amber@jyamber.com
Country: China
ProdList: 10151
Advantage: 56

S.Z. PhyStandard Bio-Tech. Co., Ltd.

Tel: 0755-4000505016 13380397412
Fax: 0755 28094224
Email: 3001272453@qq.com
Country: China
ProdList: 5157
Advantage: 50

Nanjing Norris-Pharm Technology Co., Ltd

Tel: 18652989687
Fax: +86-25-52131256
Email: sales@norris-pharm.com
Country: China
ProdList: 8878
Advantage: 55

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View Lastest Price from 4-Pyridinesulphonic acid manufacturers

Dideu Industries Group Limited

Product: 4-PYRIDINESULPHONIC ACID 5402-20-0
Price: US $1.10/g
Min. Order: 1g
Purity: 99.00%
Supply Ability: 100 Tons Min
Release date: 2021-10-28

Shanghai kingmorn biotechnology Co.,LTD.

Product: 4-Pyridinesulfonicacid 5402-20-0
Price: US $0.00-0.00/KG
Min. Order: 1g
Purity: 98%
Supply Ability: >10kg
Release date: 2021-07-09

Nanjing jinheyou Trading Co., Ltd.

Product: 4-PYRIDINESULPHONIC ACID 5402-20-0
Price: US $0.00/g
Min. Order: 1g
Purity: 95%min
Supply Ability: 20kg/month
Release date: 2019-12-19

5402-20-0, 4-Pyridinesulphonic acidRelated Search:

3-(1-Pyridinio)-1-propanesulfonate 2-PYRIDINESULPHONIC ACID 3-Pyridinesulfonic acid 5-(2-Fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrole-3-carbaldehyde 1-(5-(2-fluorophenyl)-1H-pyrrol-3-yl)-N-methylmethanamine 5-(4-fluorophenyl)-1H-pyrrole-3-carbonitrile 1-methylpyridin-1-ium-4-sulfonate (5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl) methanol RARECHEM AL BY 0489 N-NITROSO-DI-ISO-PROPYLAMINE 1H-Pyrrole-3-carbonitrile,5-(2-fluorophenyl)-1-(3-pyridinylsulfonyl)- Vonoprazan Impurity 24 3-CHLOROPYRIDINE N-OXIDE 2-Bromopropane 3-N,N-dimethylsulfamoylpyridine Malononitrile 2-[2-(2-Fluorophenyl)-2-oxoethyl]propanedinitrile 1-(2-chloro-5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)-N-methylmethanamine

4-PYRIDINESULPHONIC ACID

PYRIDINE-4-SULFONIC ACID

4-Pyridinesulfonicacid

Pyridine-4-sulphonic acid

NSC 5082

4-Sulphopyridine

TAK438 Impurity 30

Pyridine-4-suL

4-Pyridinesulfonicaci

4-PYRIDINESULPHONIC ACID ISO 9001：2015 REACH

Vonoprazan Fumarate Impurity 154

Vonoprazan Impurity 154

Pyridin-4-sulfonic acid

TAK438 Impurity 154

Pyridine-4-sulfonic acid (Vonoprazan Impurity)

5402-20-0

5402-20-2

Pyridines