BORAX 10 MOL

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