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LC752 Benzenesulfonic acid

for synthesis


Order number Packaging Quantity Price €
AC27752 Glass bottle 5 g 10.89
AC27752 Plastic bottle 250 g 14.49
AC27752 Plastic bottle 1 kg 47.25


Product information
Synonyms Phenylsulfonic acid
Hill Formula C6H6O3S
Chemical formula C6H5SO3H
HS Code 2904 10 00
EC number 202-638-7
Molar mass 158.17 g/mol
CAS number 98-11-3


Chemical and physical data
Solubility 930 g/l (25 °C)
Melting point 43 °C
Molar mass 158.17 g/mol
Density 1.32 g/cm3 (47 °C)
pH value 2 (H2O, 20 °C) (saturated solution)
Boiling point 171 °C (0.13 hPa)
Vapor pressure (20 °C)
Flash point >100 °C


Safety information according to GHS
Hazard Statement(s) H302: Harmful if swallowed.
H314: Causes severe skin burns and eye damage.
Precautionary Statement(s) P301 + P330 + P331: IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word Danger
Hazard Pictogram(s)
RTECS DB4200000
Storage class 8 A Combustible substances, corrosive
WGK WGK 1 slightly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.


Safety information
R Phrase R 22-34
Harmful if swallowed.Causes burns.
S Phrase S 26-36/37/39-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger harmful, corrosive
Hazard Symbol Corrosive


Transport information
Declaration (transport by sea) IMDG-Code UN 2585 ARYLSULPHONIC ACIDS, SOLID, 8, III, Segregation Group: 1 (Acids)
Declaration (transport by air) IATA-DGR UN 2585 ARYLSULPHONIC ACIDS, SOLID, 8, III


Toxicological data
LD 50 oral LD50 rat 1175 mg/kg


Assay (acidimetric) ≥ 97 %
Water (K. F.) ≤ 2 %
Sulfuric acid ≤ 1 %
Identity (IR) passes test


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