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Sigma-Aldrich

Lignosulfonic acid calcium salt

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

Synonym(s):

Calcium ligninsulfonate, Lignin calcium sulfonate

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About This Item

CAS Number:
8061-52-7
MDL number:
MFCD00163202
UNSPSC Code:
12162002
NACRES:
NA.23

mol wt

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

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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Related Categories

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

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’.

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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
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.
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
Contact allergy to calcium lignosulfonate.
R Andersson et al.
Contact dermatitis, 6(5), 354-355 (1980-08-01)
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