Borax
Description
Borax is an important boron compound. Usually a white powder with soft colorless crystals that dissolve easily in water.
There are many forms of borax all related but differing in their crystal water content.
Also known as
Sodium Tetraborate decahydrate, disodium tetraborate decahydrate, broax 10 mol, borax 5 mol, anhydrous borax, dehybor, borax pentahydrate,
neobor, borax mg, and others.
Chemical Formula
Na2B4O7 10H2O
CAS Number
1330-43-4 (anhydrous) 1303-96-4 (decahydrate)
Uses
Food industry, chemical buffer, personal care, cleaning chemistry, mining, flux manufacturing, and others.
Properties
|
Property
|
Typical
|
|
Boiling Point
|
1575C
|
|
Specific Gravity
|
1.71
|
|
Appearance / Odor
|
White, odorless, crystalline solid
|
|
Solubility in Water
|
4.71% @ 20C; 65.4% @ 100C
|
|
Melting Point
|
62C
|
|
pH
|
9.3 (4.7% solution @ 20C)
|
|
Molecular Weight
|
381.37
|
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