Benzenesulfonic acid supplier

Name
Benzenesulfonic acid
EINECS 202-638-7
CAS No. 98-11-3
Article Data307
CAS DataBase
Density 1.409 g/cm³
Solubility soluble in water
Melting Point 30-60 °C
Formula C₆H₆O₃S
Boiling Point 137℃
Molecular Weight 158.178
Flash Point >230°F
Transport Information UN 2583 8/PG 2
Appearance green solid
Safety 26-36/37/39-45-36
Risk Codes 22-34
Molecular Structure
Hazard Symbols C
Synonyms 17-120A;Benzenemonosulfonic acid;Benzenesulfonic acid (surfactant);Benzenesulphonic acid;Besylic acid;Phenylsulfonic acid;Benzenesulfonic acid 70%;
PSA 62.75000
LogP 2.01410

Benzenesulfonic acid Chemical Properties

Molecule structure of Benzenesulfonic acid (CAS NO.98-11-3):

IUPAC Name: Benzenesulfonic acid
Molecular Weight: 158.17504 g/mol
Molecular Formula: C₆H₆O₃S
Index of Refraction: 1.575
Molar Refractivity: 37.1 cm³
Molar Volume: 112.2 cm³
Surface Tension: 51.2 dyne/cm
Density: 1.409 g/cm³
Melting Point: 30-60 °C
Boiling Point: 137 °C
Flash Point: >230 °F
Water Solubility: soluble
Sensitive: hygroscopic
Stability: stable. incompatible with strong oxidizing agents, bases, many organic compounds.
H-Bond Donor: 1
H-Bond Acceptor: 3
Rotatable Bond Count: 1
Exact Mass: 158.003765
MonoIsotopic Mass: 158.003765
Topological Polar Surface Area: 54.4
Heavy Atom Count: 10
Canonical SMILES: C1=CC=C(C=C1)S(=O)(=O)O
InChI: InChI=1S/C6H6O3S/c7-10(8,9)6-4-2-1-3-5-6/h1-5H,(H,7,8,9)
InChIKey: SRSXLGNVWSONIS-UHFFFAOYSA-N
EINECS: 202-638-7
Product Categories: Intermediates of Dyes and Pigments;Organic AcidsOrganic Building Blocks;Sulfonic/Sulfinic Acids;Sulfur Compounds;Chemical Synthesis;Organic Acids;Synthetic Reagents

Benzenesulfonic acid Uses

Benzenesulfonic acid (CAS NO.98-11-3) is used as an acidic catalyst in esterification and dehydration reactions.

Benzenesulfonic acid Production

Benzenesulfonic acid is prepared from the aromatic sulfonation of benzene by concentrated sulfuric acid:

Benzenesulfonic acid Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
bird - wild	LD50	oral	75mg/kg (75mg/kg)		Toxicology and Applied Pharmacology. Vol. 21, Pg. 315, 1972.
cat	LDLo	skin	10gm/kg (10000mg/kg)	BEHAVIORAL: TREMOR BEHAVIORAL: MUSCLE WEAKNESS GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS	Journal of Pharmacology and Experimental Therapeutics. Vol. 84, Pg. 358, 1945.
rat	LD50	oral	890uL/kg (0.89mL/kg)		American Industrial Hygiene Association Journal. Vol. 23, Pg. 95, 1962.

Benzenesulfonic acid Safety Profile

Hazard Codes: Corrosive C
Risk Statements: 22-34
R22:Harmful if swallowed.
R34:Causes burns.
Safety Statements: 26-36/37/39-45-36
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.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36:Wear suitable protective clothing.
RIDADR: UN 2583 8/PG 2
WGK Germany: 1
RTECS: DB4200000
HazardClass: 8
PackingGroup: III
HS Code: 29041000

Benzenesulfonic acid Specification

Benzenesulfonic acid (CAS NO.98-11-3) is also named as 17-120A ; 4-11-00-00027 (Beilstein Handbook Reference) ; AI3-15297 ; BRN 0742513 ; Benzene sulphonic acid ; Benzenemonosulfonic acid ; Besylic acid ; CCRIS 4595 ; HSDB 2642 ; Kyselina benzensulfonova ; Kyselina benzensulfonova [Czech] ; Phenylsulfonic acid ; UNII-685928Z18A . Benzenesulfonic acid (CAS NO.98-11-3) is green solid. It is soluble in water and ethanol, insoluble in ether and carbon disulfide, slightly soluble in benzene. Benzenesulfonic acid reacts with bases and many organic compounds. Flash point data for Benzenesulfonic acid are not available, however it is probably combustible.

Product Name

Benzenesulfonic acid