Benzenesulfonic acid

Modify Date: 2026-07-01 11:37:40

Benzenesulfonic acid Structure
Benzenesulfonic acid structure
 Common Name Benzenesulfonic acid
CAS Number 98-11-3 Molecular Weight 158.175
Density 1.4±0.1 g/cm3 Boiling Point 137℃
Molecular Formula C6H6O3S Melting Point 30-60 °C
MSDS Chinese USA Flash Point >230 °F
Symbol GHS05
GHS05		 Signal Word Danger

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name benzenesulfonic acid
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.4±0.1 g/cm3
Boiling Point 137℃
Melting Point 30-60 °C
Molecular Formula C6H6O3S
Molecular Weight 158.175
Flash Point >230 °F
Exact Mass 158.003769
PSA 62.75000
LogP 0.47
Index of Refraction 1.575
Stability Stable. Incompatible with strong oxidizing agents, bases, many organic compounds.
Water Solubility soluble

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DB4200000
CHEMICAL NAME :
Benzenesulfonic acid
CAS REGISTRY NUMBER :
98-11-3
BEILSTEIN REFERENCE NO. :
0742513
LAST UPDATED :
199710
DATA ITEMS CITED :
10
MOLECULAR FORMULA :
C6-H6-O3-S
MOLECULAR WEIGHT :
158.18
WISWESSER LINE NOTATION :
WSQR

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Open irritation test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1053,1986
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1053,1986 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
890 uL/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
10 gm/kg
TOXIC EFFECTS :
Behavioral - tremor Behavioral - muscle weakness Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 84,358,1945
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - wild bird species
DOSE/DURATION :
75 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 21,315,1972 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X7434 No. of Facilities: 28 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 3164 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS05
GHS05
Signal Word Danger
Hazard Statements H290-H314
Precautionary Statements P260-P280-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338
Hazard Codes C:Corrosive
Risk Phrases R22;R34
Safety Phrases S26-S36/37/39-S45
RIDADR UN 2583 8/PG 2
WGK Germany 1
RTECS DB4200000
Packaging Group III
Hazard Class 8
HS Code 29041000

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2904100000
Summary 2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

 Articles29

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Role of Counterions in Controlling the Properties of Ultrasonically Generated Chitosan-Stabilized Oil-in-Water Emulsions.

ACS Appl. Mater. Interfaces 7 , 12972-80, (2015)

An oil-in-water emulsion was ultrasonically prepared in aqueous chitosan solutions containing different counterions. Tetradecane was used as the oil phase in order to mimic nonpolar substances used in...

Nanocarriers for photodynamic therapy-rational formulation design and medium-scale manufacture.

Int. J. Pharm. 491 , 250-60, (2015)

The development and manufacture of novel nanocarriers for drug delivery has proved challenging with regards to scale-up and pharmaceutical quality. Polymeric nanocarriers composed of poly(lactic-co-gl...

Kinetic and computational evidence for an intermediate in the hydrolysis of sulfonate esters.

Org. Biomol. Chem. 10(40) , 8095-101, (2012)

The hydrolytic reactions of sulfonate esters have previously been considered to occur by concerted mechanisms. We now report the observation of a break in a Brønsted correlation for the alkaline hydro...

 Benzenesulfonic acidBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Cytochrome P450 Family 1 Subfamily A Member 2 (CYP1A2) small molecule antagonists: lu...
Source: 824
External Id: CYP273
Name: p53 small molecule agonists, cell-based qHTS assay: qHTS cell viability counter scree...
Source: 824
Target: N/A
External Id: P53600
Name: p53 small molecule agonists, cell-based qHTS assay with rat liver microsomes: qHTS ce...
Source: 824
Target: N/A
External Id: P53MS958
Name: p53 small molecule agonists, cell-based qHTS assay with rat liver microsomes: Summary
Source: 824
External Id: P53MS482
Name: p53 small molecule agonists, cell-based qHTS assay
Source: 824
External Id: P53344
Name: p53 small molecule agonists, cell-based qHTS assay with human liver microsomes
Source: 824
Target: tumor suppressor p53 [Homo sapiens]
External Id: P53MS233
Name: p53 small molecule agonists, cell-based qHTS assay with human liver microsomes: qHTS ...
Source: 824
Target: N/A
External Id: P53MS837
Name: p53 small molecule agonists, cell-based qHTS assay with rat liver microsomes
Source: 824
Target: tumor suppressor p53 [Homo sapiens]
External Id: P53MS898
Name: qHTS Assay for Small Molecule Inhibitors of the Human hERG Channel Activity
Source: NCGC
External Id: HERG01
Name: Adrenergic beta2 receptor (ADRB2) small molecule agonists, cell-based qHTS assay
Source: 824
External Id: ADRB2293
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

MFCD00011689
EINECS 202-638-7
Benzenesulfonic acid

 Benzenesulfonic acid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: How is the water solubility of benzenesulfonic acid?
A: Water solubility of benzenesulfonic acid: soluble.
Q: What is the CAS number of benzenesulfonic acid?
A: CAS number of benzenesulfonic acid is 98-11-3.
Q: What is the melting point of benzenesulfonic acid?
A: Melting point of benzenesulfonic acid is 30-60 °C.
Q: What are the downstream products of benzenesulfonic acid?
A: Related downstream products(CAS) of benzenesulfonic acid: 104316-51-0;515-42-4;3622-84-2;334827-98-4;368-43-4;512-35-6;98-09-9;1738-72-3;127-63-9;7664-93-9.
Q: What is the molecular formula of benzenesulfonic acid?
A: Molecular formula of benzenesulfonic acid is C6H6O3S.
Q: What are the upstream materials of benzenesulfonic acid?
A: Related upstream materials(CAS) of benzenesulfonic acid: 108-98-5;127-63-9;7446-11-9;882-33-7;5535-48-8;618-41-7;1352414-88-0.
Q: What is the LogP of benzenesulfonic acid?
A: LogP of benzenesulfonic acid is 0.47.
Q: What is the polar surface area (PSA) of benzenesulfonic acid?
A: Polar surface area (PSA) of benzenesulfonic acid is 62.75000.
Q: What is the English name of benzenesulfonic acid?
A: The English name of benzenesulfonic acid is benzenesulfonic acid.
Q: What is the safety information for benzenesulfonic acid?
A: Safety information for benzenesulfonic acid: S26-S36/37/39-S45.

 Benzenesulfonic acidfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
Zhongshan Xingrui Chemical Co. , Ltd.
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Chemsrc provides Benzenesulfonic acid(CAS#:98-11-3) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Benzenesulfonic acid are included as well.>> amp version: Benzenesulfonic acid

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