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Benzenesulfonic acid monohydrate

CAS No.
26158-00-9
Chemical Name:
Benzenesulfonic acid monohydrate
Synonyms
BENZENESULFONIC ACID HYDRATE;PHENYLSULFONIC ACID, HYDRATE;PHENOLSULFONIC ACID, HYDRATE;BENZENESULFONIC ACID 1-HYDRATE;BENZENESLFONIC ACID MONOHYDRATE;BENZENESULFONIC ACID HYDRATE 98%;Benzenesulfonic acid monohydrate;BENZENESULFONIC ACID, 1,5-HYDRATE;Benzenesulfonic acid,hydrate (1:1);Benzenesulfonic Acid Monohydrate>
CBNumber:
CB8223485
Molecular Formula:
C6H8O4S
Molecular Weight:
176.19
MDL Number:
MFCD00149976
MOL File:
26158-00-9.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:55:31

Benzenesulfonic acid monohydrate Properties

Melting point 42-49 °C(lit.)
Flash point 53 °C
storage temp. Sealed in dry,Room Temperature
solubility DMSO (Slightly), Methanol (Slightly)
form powder to lump
color White to Gray to Red
Water Solubility transparency
BRN 4552655
InChI InChI=1S/C6H6O3S.H2O/c7-10(8,9)6-4-2-1-3-5-6;/h1-5H,(H,7,8,9);1H2
InChIKey MVIOINXPSFUJEN-UHFFFAOYSA-N
SMILES S(C1C=CC=CC=1)(O)(=O)=O.O
UNSPSC Code 12352106
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Corrosion (GHS05)Exclamation Mark (GHS07)
GHS05,GHS07
Signal word  Danger
Hazard statements  H302+H312+H332-H314
Precautionary statements  P260-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
PPE Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
Hazard Codes  C
Risk Statements  20/21/22-34-22
Safety Statements  26-27-36/37/39-45
RIDADR  UN 1803
WGK Germany  3
RTECS  DB4200000
HS Code  2904.10.3700
HazardClass  8
PackingGroup  II
Storage Class 8A - Combustible corrosive hazardous materials
Hazard Classifications Acute Tox. 4 Dermal
Acute Tox. 4 Inhalation
Acute Tox. 4 Oral
Eye Dam. 1
Skin Corr. 1B
Limited Quantities 5.0 kg (11 lbs) (solid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
NFPA 704
0
3 0

Benzenesulfonic acid monohydrate price More Price(37)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 448737 Benzenesulfonic acid monohydrate 97% 26158-00-9 50g $93.7 2026-04-30 Buy
Sigma-Aldrich 448737 Benzenesulfonic acid monohydrate 97% 26158-00-9 250g $331 2026-04-30 Buy
TCI Chemical B0030 Benzenesulfonic Acid Monohydrate >98.0%(HPLC)(T) 26158-00-9 25g $38 2026-04-30 Buy
TCI Chemical B0030 Benzenesulfonic Acid Monohydrate >98.0%(HPLC)(T) 26158-00-9 500g $350 2026-04-30 Buy
Usbiological 267245 Benzenesulfonic Acid Monohydrate Asreported 26158-00-9 100g $489 2026-06-03 Buy
Product number Packaging Price Buy
448737 50g $93.7 Buy
448737 250g $331 Buy
B0030 25g $38 Buy
B0030 500g $350 Buy
267245 100g $489 Buy

Benzenesulfonic acid monohydrate Chemical Properties,Uses,Production

Uses

Benzenesulfonic Acid Monohydrate is used in the synthesis of HER2/EFGR dual inhibitors in the treatment of cancers and displaying potency towards anti-tumor activity.

Uses

Benzenesulfonic acid monohydrate (PhSO3H. H2O) can be used as:

  • A catalyst to synthesize α,β-unsaturated amides via Pd-catalyzed selective aminocarbonylation of styrenes with nitroarenes.
  • A reactant to prepare amino acid benzyl ester salts for the study of gelation in nonpolar solvents.
  • A catalyst for the conversion of oxydipropionitrile (nitrile) to di-n-propyl-oxydipropionate (ester).

Benzenesulfonic acid monohydrate Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 138)Suppliers
Supplier Tel Email Country ProdList Advantage
Powerful Chemical (Shanghai) Co., Ltd. 021-62211590 18917958225; pwfchem@163.com China 75 58
Nanjing Junan Biomedical Technology Co., Ltd. 18551685365 qiuxuejiaoqxj@163.com China 180 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
Beijing dtftchem Technology Co., Ltd. 010-60275820 13031183356 elainezt@sina.com China 1386 62
Beijing HwrkChemical Technology Co., Ltd 89508211 18501085097 sales.bj@hwrkchemical.com China 9407 55
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Nanjing Datang Chemical Co., Ltd 025-85431992 13951889900 vip@chemdatang.com China 100 66
Accela ChemBio Co.,Ltd. 021-50795510 4000665055 marketing@accelachem.com China 10972 64

View Lastest Price from Benzenesulfonic acid monohydrate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
BENZENESULFONIC ACID MONOHYDRATE pictures 2021-11-24 BENZENESULFONIC ACID MONOHYDRATE
26158-00-9
$10.00 1Kg/Bag 99% 20 Tons Hebei Zhanyao Biotechnology Co. Ltd

Benzenesulfonic acid monohydrate Spectrum

PHENOLSULFONIC ACID, HYDRATE PHENYLSULFONIC ACID, HYDRATE BENZENESULFONIC ACID HYDRATE BENZENESULFONIC ACID, 1,5-HYDRATE BENZENESULFONIC ACID HYDRATE 98% BENZENESULFONIC ACID 1-HYDRATE BENZENESLFONIC ACID MONOHYDRATE Benzenesulfonic acid,hydrate (1:1) Benzenesulfonic acid monohydrate 97% Benzenesulfonic Acid Monohydrate> 26158-00-9 Benzenesulfonic acid monohydrate C6H6O3S.H2O M017 26158-00-9 Benzenesulfonic acid monohydrate C6H6O3S.H2O M017 Benzenesulfonic acid monohydrate 26158-00-9 C6H6O3SH2O C6H5SO3HH2O Organic Acids Synthetic Reagents Chemical Synthesis Organic Acids Synthetic Reagents