Skip to Content
Merck

8.00468

Benzenesulfonic acid

for synthesis

Synonym(s):

Benzenesulfonic acid, Phenylsulfonic acid

Sign In to View Organizational & Contract Pricing.

Select a Size



About This Item

Empirical Formula (Hill Notation):
C6H6O3S
CAS Number:
Molecular Weight:
158.18
UNSPSC Code:
12352106
EC Index Number:
202-638-7
NACRES:
NA.22
MDL number:

Product Name

Benzenesulfonic acid, for synthesis

SMILES string

[S](=O)(=O)([O-])c1ccccc1.[H+]

InChI

1S/C6H6O3S/c7-10(8,9)6-4-2-1-3-5-6/h1-5H,(H,7,8,9)

InChI key

SRSXLGNVWSONIS-UHFFFAOYSA-N

grade

synthesis grade

assay

≥97.0% (acidimetric)

form

solid

potency

1175 mg/kg LD50, oral (Rat)

pH

2 (20 °C in H2O, saturated solution)

bp

171 °C/0.13 hPa

mp

43 °C

transition temp

flash point >100 °C

solubility

930 g/L

density

1.32 g/cm3 at 47 °C

storage temp.

2-30°C

Quality Level

Analysis Note

Assay (acidimetric): ≥ 97.0 %
Water (K. F.): ≤ 2.3 %
Sulfuric acid: ≤ 0.7 %
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1

Storage Class

8A - Combustible, corrosive hazardous materials

wgk

WGK 1

flash_point_f

212.0 °F

flash_point_c

> 100 °C


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service