Sigma-Aldrich® Lignosulfonic acid calcium salt average Mw ~18,000, average Mn ~2,500

CAS Number:  8061-52-7

MDL number:  MFCD00163202

UNSPSC Code:  12162002

NACRES:  NA.23

mol wt:

average Mn ~2,500

average Mw ~18,000

Quality Level:  100

Composition:  Ca, 5 wt. %

Impurities:

16 wt. % reducing sugars

5 wt. %

Solubility:  H2O: soluble

SMILES string:

[Ca+2].[S](=O)(=O)([O-])CCCc1cc(c(cc1)OC(C[S](=O)(=O)O)Cc2c(c(ccc2)OC)[O-])OC

InChI:

1S/C20H26O10S2.Ca/c1-28-18-7-3-6-15(20(18)21)12-16(13-32(25,26)27)30-17-9-8-14(11-19(17)29-2)5-4-10-31(22,23)24;/h3,6-9,11,16,21H,4-5,10,12-13H2,1-2H3,(H,22,23,24)(H,25,26,27);/q;+2/p-2

InChI key:  RYAGRZNBULDMBW-UHFFFAOYSA-L