BORAX 10 MOL

 

Product Description

Wintersun code: 02-010

BORAX 10 MOL

WCode: 02-010-2
CAS No.: 1303-96-4
Molecular Formula: Na2B4O7.10H2O
Molecular Weight: 381.37

Sales Specification

Appearance: White, granular, crystalline solid
Grades: Technical Standard
Description: The surface of the crystal is usually chalk white as a result of partial loss of water of hydration.
Decahydrate Borax (Na2B4O7*10H2O): 100%min.
Anhydrous Borax (Na2B4O7): 52.8%min.
Boric Oxide (B2O3): 36.5%min.
Sodium Oxide (Na2O): 16.3%min.
Water of Crystallization (H2O): 47.2%max.
Chloride (Cl): 200ppm max.

pH in Water at 20°C(68°F):

Weight 0.1%: pH 9.24
Weight 0.5%: pH 9.23
Weight 1.0%: pH 9.23
Weight 2.0%: pH 9.24
Weight 3.0%: pH 9.27
Weight 4.78%(Saturation): pH 9.32

Physical And Chemical Properties

Specific Gravity 25°C: 1.73
Specific Heat 25°C: 147 cal/deg-mol
Heat of Solution (Absorbed) 18°C: -2.589Kcal/g-mol or -102.59 Btu
Heat of Formation: -1503.0 Kcal/g-mol or -5964.7 Btu

Packing

In 25kg bags; 42bags/pallet