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471038

Sigma-Aldrich

Lignosulfonic acid sodium salt

average Mw ~52,000, average Mn ~7,000

Sinonimo/i:

Sodium ligninsulfonate

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About This Item

Numero CAS:
Numero MDL:
Codice UNSPSC:
12162002
NACRES:
NA.23

Forma fisica

solid

PM

average Mn ~7,000
average Mw ~52,000

Composizione

Na, 8 wt. %

Impurezze

4 wt. % reducing sugars
6 wt. %

Solubilità

H2O: soluble

InChI

1S/C20H26O10S2.2Na/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*+1/p-2
YDEXUEFDPVHGHE-UHFFFAOYSA-L

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Applicazioni

Dispersing agent for dyestuffs, wax emulsions, pigments, water treatment and cleaners.

Caratteristiche e vantaggi

Compatible with anionic and nonionic surfactants and wetting agents.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)


Certificati d'analisi (COA)

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Kristin Johansson et al.
Journal of biotechnology, 161(1), 14-18 (2012-06-23)
Laccase and lignosulfonates were included in coating colors and embedded in latex-based or starch-based films and coatings on foil or board. After 6 days at 23 °C and 100% relative humidity, the oxygen content in airtight chambers decreased from 1.0%
Patricia Rodríguez-Lucena et al.
Journal of the science of food and agriculture, 91(3), 395-404 (2011-01-11)
During the last decade, environmental concerns regarding the use of recalcitrant synthetic chelates to overcome iron chlorosis has increased and new ligands such as lignosulfonates (LS) have been evaluated. However, the efficacy of these products is variable. In this work
Viorica Dulman et al.
Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, 46(12), 1366-1375 (2011-09-29)
The potential of ammonium lignosulfonate (ALS) decolorization and degradation in aqueous solution was studied in a heterogeneous system using hydrogen peroxide and a Cu (II)-chelating ion exchanger. This was based on acrylic copolymers functionalized with N,N dimethylamino propylamine (DMAPA) as
Zhi-Wei He et al.
Bioresource technology, 127, 66-71 (2012-11-08)
Lignosulfonate/poly(2-ethylaniline) (LS-PEA) composite nanospheres were prepared via in situ polymerization of 2-ethylaniline (EA) with lignosulfonate (LS) as a dispersant. LS-PEA nanospheres with an average diameter of 155 nm were obtained at an optimal LS concentration of 20 wt.%. Subsequently, nitrogen-containing
L Faucitano et al.
Meat science, 88(4), 750-754 (2011-04-02)
Thirty-nine steers were distributed into a 2 x 2 factorial arrangement of treatments to determine the effect of corn grain particle size (cracked [CC] vs ground [GC] corn) and soybean meal treatment (solvent extracted soybean meal [SS] vs lignosulfonate treated

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