471054
Lignosulfonic acid calcium salt
average Mw ~18,000, average Mn ~2,500
Synonym(s):
Calcium ligninsulfonate, Lignin calcium sulfonate, Lignin & lignosulfonates
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About This Item
Quality Level
mol wt
average Mn ~2,500, average Mw ~18,000
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
Application
Granulating agent for limestone and ores, compaction aid for coal and metal wastes, and dispersing agent for gypsum and clay slurries.
Features and Benefits
Compatible with anionic and nonionic dispersants and wetting agents.
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Reid B Grigg et al.
Journal of colloid and interface science, 279(1), 36-45 (2004-09-24)
This paper describes adsorption and desorption studies carried out with calcium lignosulfonate (CLS) on Berea sandstone. Circulation experiments were performed to determine CLS adsorption isotherms and the effects of CLS concentration, temperature, salinity, brine hardness, and injection rate on adsorption
Shu-Juan Zhang et al.
Chemosphere, 57(9), 1181-1187 (2004-10-27)
Gamma-ray irradiation was proven to be a promising means for the removal of calcium lignosulfonate (CaLS). At a dose rate of 55Gy min(-1), over 90% of CaLS was mineralized to CO(2), H(2)O and sulfates within 3-d irradiation. The degradation of
Contact allergy to calcium lignosulfonate.
R Andersson et al.
Contact dermatitis, 6(5), 354-355 (1980-08-01)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 471054-100G | 04061832359526 |