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471054

Sigma-Aldrich

Lignosulfonic acid calcium salt

average Mw ~18,000, average Mn ~2,500

Synonym(s):
Calcium ligninsulfonate, Lignin calcium sulfonate
CAS Number:
MDL number:
NACRES:
NA.23

mol wt

average Mn ~2,500
average Mw ~18,000

Quality Level

composition

Ca, 5 wt. %

impurities

16 wt. % reducing sugars
5 wt. %

solubility

H2O: soluble

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

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This Item
4710381.0216121144
Calcium sulfate dihydrate precipitated for analysis EMSURE®

Supelco

1.02161

Calcium sulfate dihydrate

composition

Ca, 5 wt. %

composition

Na, 8 wt. %

composition

-

composition

-

impurities

16 wt. % reducing sugars

impurities

4 wt. % reducing sugars, 6 wt. %

impurities

≤0.01% Substances insoluble in hydrochloric acid

impurities

-

solubility

H2O: soluble

solubility

H2O: soluble

solubility

2 g/L

solubility

-

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 Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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SAFC

1.37028

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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
H R Mansfield et al.
Journal of dairy science, 77(4), 1070-1083 (1994-04-01)
Four Holstein cows were used in a 4 x 4 Latin square design to investigate the effects of soybean hulls and lignosulfonate-treated soybean meal on ruminal fermentation and nutrient passage to the duodenum. Diets contained 32% corn silage, 19.8% alfalfa-grass
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
Weixing Wang et al.
Chemical communications (Cambridge, England), 48(95), 11638-11640 (2012-10-18)
Lignosulfonates, which are byproducts of the pulp and paper industry, can be used as promoters for the formation of methane hydrates with a high capacity up to 170 v/v and a high formation rate.
Contact allergy to calcium lignosulfonate.
R Andersson et al.
Contact dermatitis, 6(5), 354-355 (1980-08-01)

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