Boric acid disodium salt,tetrahydrate
- CAS No.
- 12045-87-3
- Chemical Name:
- Boric acid disodium salt,tetrahydrate
- Synonyms
- Kernite;hydrogen borate
- CBNumber:
- CB21452877
- Molecular Formula:
- BH9Na2O7
- Molecular Weight:
- 0
- MDL Number:
- MOL File:
- 12045-87-3.mol
Density | 1.950 |
---|---|
form | white monoclinic crystals |
color | white monoclinic crystals, crystalline |
Water Solubility | % anhydrous in H2O: 14.82 (60°C), 17.12 (70°C), 19.88 (80°C), 23.31 (90°C), 28.22 (100°C) [KIR78] |
CAS DataBase Reference | 12045-87-3 |
EPA Substance Registry System | Kernite (12045-87-3) |
Boric acid disodium salt,tetrahydrate Chemical Properties,Uses,Production
Chemical Properties
Colorless to white, two good cleavages, luster vitreous to pearly. Mohs hardness 3, d 1.95. Noncombustible.
Uses
Major source of borax and boron compounds.
Definition
A natural sodium borate found in Kern County, California.
Agricultural Uses
Kernite (Na2B4O7·4H2O) is a borate mineral, like rasorite and tincal (Na2B4O7.10H2O)T. These three are the main sources of borax. Kernite is found in Kern country, California.