Dispersant

Description

Sodium Ligninsulfonate · CAS 8061-51-6 · C20H24Na2O10S2.

Identification

CAS Registry Number	8061-51-6
PubChem CID	25113562
Molecular formula	C20H24Na2O10S2
IUPAC name	disodium;(2R)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate

Computed Descriptors

Molecular Weight	534.5
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	10
Rotatable Bond Count	10
Exact Mass	534.06062787
Monoisotopic Mass	534.06062787
Topological Polar Surface Area	179
Heavy Atom Count	34
Formal Charge	0
Complexity	732

Physical description & handling notes

• Lignosulfonic acid, sodium salt is a light tan powder. (NTP, 1992)
• Tan solid; [HSDB]
• tan, free-flowing spray-dried powder
• Soluble (NTP, 1992)
• SEE LIGNIN SULFONATE. MOLECULAR WEIGHTS RANGE FROM 1000-20,000; NO PRONOUNCED ODOR; NONHYGROSCOPIC; NO DEFINITE MP; DECOMPOSE ABOVE 200 °C; SPECIFIC GRAVITY ABOUT 1.5; FORMS COLLOIDAL SOLN OR DISPERSIONS IN WATER; LIGHT TAN TO DARK-BROWN POWDER; PRACTICALLY INSOL IN ALL ORG SOLVENTS /LIGNIN SULFONATE/
• SEE LIGNIN SULFONATE. STABLE IN DRY FORM & RELATIVELY STABLE IN AQ SOLN /LIGNIN SULFONATE/

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS Lignosulfonic acid, sodium salt (CAS Reg. No. 8061-51-6) As a dispersant in a coating used on wooden pallets used for hydrocooling produce. The FCS may be used at a level of 0.5% by weight in the coating. Pallets containing the FCS may be in contact CIR / INCI: Surfactant
GHS notification summary	90.1% (453 / 503)

GHS Hazard Classification

GHS notification summary	90.1% (453 / 503)

Documented Uses

• Used as a dispersant, emulsion stabilizer, chelator, and ore flotation agent; Also used to enhance PCBs biodegradation, as a concrete additive, in oil well drilling muds, as a soil stabilizer and road binder, to modify viscosity of molasses in animal feeds, as a binder (ceramics, bricks, and refractories), and as a veterinary medication; [HSDB]
• Petroleum Production and Refining [Category: Industry]
• Cement Producing [Category: Industry]
• Farming (Feed Additives) [Category: Industry]
• dispersant, emulsion stabilizer, chelating agent
• BINDERS, DISPERSING AGENTS & TANNING AGENTS /LIGNOSOL/

Synonyms

Lignosulfonic acid, sodium salt; 8061-51-6; SODIUM LIGNINSULFONATE; disodium;(2R)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate; Lignosulfonic acid sodium salt; CHEMBL5439740; Vanisperse; Vanicell; Marasperse B; Marasperse N; Maracell C; Maracell E; Marasperse CBS; Banirex N; Lignosol XD; Vanirex N

Frequently Asked Questions

What are the CAS number and molecular formula of Sodium Ligninsulfonate?

CAS 8061-51-6; molecular formula C20H24Na2O10S2; molecular weight — g/mol.

What other names is Sodium Ligninsulfonate known by?

Lignosulfonic acid, sodium salt, 8061-51-6, SODIUM LIGNINSULFONATE, disodium;(2R)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate, Lignosulfonic acid sodium salt, CHEMBL5439740.

What is the regulatory status of Sodium Ligninsulfonate?

Documented regulatory listings: FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS; Lignosulfonic acid, sodium salt (CAS Reg. No. 8061-51-6); As a dispersant in a coating used on wooden pallets used for hydrocooling produce..

Is Sodium Ligninsulfonate classified as hazardous?

90.1% of GHS notifications report no hazard classification (453 of 503).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.