Disodium octaborate
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Disodium octaborate is a borate of sodium, a chemical compound of sodium, boron, and oxygen — a salt with elemental formula Na2B8O13 or (Na+)2[B8O13]2−, also written as Na2O·4B2O3. It is a colorless crystalline solid, soluble in water.
Quick Facts Names, Identifiers ...
Repeating asymmetrical unit in α-Na2B8O13 | |
Names | |
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IUPAC name
Disodium;(9,11-dioxido-5-oxoboranyloxy-2,4,6,8,10,12,13-heptaoxa-1,3,5,7,9,11-hexaborabicyclo[5.5.1]tridecan-3-yl)oxy-oxoborane | |
Other names
Sodium octaborate | |
Identifiers | |
3D model (JSmol) |
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ECHA InfoCard | 100.114.740 |
EC Number |
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PubChem CID |
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CompTox Dashboard (EPA) |
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Properties | |
Na2B8O13 | |
Molar mass | 340.45 g·mol−1 |
Appearance | Colorless crystals |
9.5 g/(100 g)[2] | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Quick Facts Names, Identifiers ...
Names | |
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Other names
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Identifiers | |
3D model (JSmol) |
|
ECHA InfoCard | 100.114.740 |
EC Number |
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PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
Na2B8O13·4H2O | |
Molar mass | 412.5270 g/mol |
Appearance | white powder |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Close
Disodium octaborate is traded either as a liquid concentrate, or as the tetrahydrate Na2B8O13·4H2O, 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] Trade names include Bora-Care, Borathor, Termite Prufe, Board Defense, Polybor,[6] Tim-bor,[7] and Can-Bor.