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Disodium octaborate is traded either as a liquid concentrate, or as the tetrahydrate Na 2 B 8 O 13 ·4H 2 O, a white odorless powder. It is used as an insecticide, [3] [4] and as a fungicide and algicide, and as a fire retardant., [5] [6] and as a boron micronutrient additive in fertilizers. [1]
Disodium octaborate tetrahydrate Na 2 B 8 O 13 ·4H 2 O (commonly abbreviated DOT) is used as a wood preservative or fungicide. Zinc borate is used as a flame retardant. Some borates with large anions and multiple cations, like K 2 Al 2 B 2 O 7 and Cs 3 Zn 6 B 9 O 21 have been considered for applications in nonlinear optics. [8]
One of the most common compounds used is disodium octaborate tetrahydrate Na 2 B 8 O 13 ·4H 2 O, commonly abbreviated DOT. Borate treated wood is of low toxicity to humans, and does not contain copper or other heavy metals.
Sodium borate is a generic name for any salt of sodium with an anion consisting of boron and oxygen, and possibly hydrogen, or any hydrate thereof. It can be seen as a hydrated sodium salt of the appropriate boroxy acid, although the latter may not be a stable compound.
Structure of the hydrated tetraborate (borax) ion, [B 4 O 5 (OH) 4] 2−. In chemistry, tetraborate or pyroborate is an anion (negative ion) with formula B 4 O 2− 7; or a salt containing that anion, such as sodium tetraborate, Na 2 B 4 O 7.
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Borax (also referred to as sodium borate, tincal (/ ˈ t ɪ ŋ k əl /) and tincar (/ ˈ t ɪ ŋ k ər /)) is a salt (ionic compound), a hydrated or anhydrous borate of sodium, with the chemical formula Na 2 H 20 B 4 O 17.
Disodium enneaborate; Disodium helide; Disodium hydrogen arsenate; Disodium hydrogen phosphite; Disodium methyl arsonate; Disodium octaborate; Disodium phosphate; Disodium pyrophosphate; Disodium tetracarbonylferrate