Skip to Content
MilliporeSigma
All Photos(1)

Documents

8.02193

Sigma-Aldrich

1,3-Benzenedisulfonic acid disodium salt

for synthesis

Synonym(s):

1,3-Benzenedisulfonic acid disodium salt, di-Sodium benzene-1,3-disulfonate

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
C6H4-1,3-(SO3Na)2
CAS Number:
831-59-4
Molecular Weight:
282.20
MDL number:
MFCD00007492
UNSPSC Code:
12352107
EC Index Number:
212-606-4

form

solid

pH

6.9 (20 °C, 500 g/L in H2O)

solubility

663 g/L

bulk density

860 kg/m3

storage temp.

2-30°C

InChI

1S/C6H6O6S2.2Na/c7-13(8,9)5-2-1-3-6(4-5)14(10,11)12;;/h1-4H,(H,7,8,9)(H,10,11,12);;/q;2*+1/p-2

InChI key

XWPWZOJBTOJEGW-UHFFFAOYSA-L

Analysis Note

Assay (acidimetric after ion exchange): ≥ 80.0 %
Identity (IR): passes test

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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