sodium lignosulfon-ate (8061-51-6)

? Sodium lignosulfonate , with CAS number of 8061-51-6, can be called AS 3 (dispersant) ; Borresperse N ; Borresperse NA ; BorresperseNA-SA ; Borresperse NaI 50 ; Diwatex 30FKP ; HR5 (cement additive) ; Kraftsperse EDF 450 ; Lignopol ; Lignosol NSX 110 ; M 10 (lignosulfonate) ; Neocobaltin PNA 11 ; Newkalgen RX-B ; Polyfon Hun ; Reax 83A ; Reax 85C ; Sanekis P 550 ; San-X P 252 ; Sodium lignosulfite ; Sodium lignosulfonate ; Sodiumlignosulfonic acid ; Sulfonated lignin sodium salt . It is soluble in water with the release of hydrogen ions. The resulting solutions have pH of less than 7.0. Materials in this group react with chemical bases (for example: amines and inorganic hydroxides) to form salts. These neutralization reactions occur as the base accepts hydrogen ions that the acid donates. Neutralizations can generate dangerously large amounts of heat in small spaces. The dissolution of acids in water or the dilution of their concentrated solutions with water may generate significant heat. The addition of water acids often generates sufficient heat in the small region of mixing to boil some of the water explosively. The resulting "bumping" spatters acid widely. These materials have significant ability as oxidizing agents, but that ability varies (for example, from high for nitric acid to low for sulfuric acid and most sulfonic acids). They can react with active metals, including iron and aluminum, and also many less active metals, to dissolve the metal and liberate hydrogen and/or toxic gases. Like other acids, materials in this group can initiate polymerization in certain classes of organic compounds. Their reactions with cyanide salts and compounds release gaseous hydrogen cyanide. Flammable and/or toxic gases are also often generated by their reactions with dithiocarbamates, isocyanates, mercaptans, nitrides, nitriles, sulfides, and weak or strong reducing agents. Additional gas-generating reactions occur with sulfites, nitrites, thiosulfates (to give H₂S and SO₃), dithionites (SO₂) and even carbonates: the carbon dioxide gas from the last is nontoxic but the heat and spattering from the reaction can be troublesome. Acids often catalyze (increase the rate of) chemical reactions.

Reported in EPA TSCA Inventory.