| CAS NUMBER | 12179-04-3 |
CAS No.: 12179-04-3Molecular Formula: Na2B4O7.5H2OFormula Weight: 291.35
Appearance: White, granular, crystaldGrades: Technical StandardPentahydrate Borax (Na2B4O7.5H2O): 101.5%-103.5%Anhydrous Borax (Na2B4O7): 70.8%-71.5%Boric Oxide (B2O3): 48.5%-49.5%Sodium Oxide (Na2O): 21.6%-22.0%Water of Crystallization (H2O): 28.5%-29.9%Chloride (Cl): 600ppmSulfate (Na2SO4): 300ppmIron (Fe): 15ppm
in Water at 20°C(68°F):
Weight 0.1%: 9.25Weight 0.5%: 9.24Weight 1.0%: 9.24Weight 2.0%: 9.25Weight 3.0%: 9.29Weight 3.74%(Saturation): 9.30
Specific Gravity 25°C: 1.815Specific Heat 25°C: 96.3 cal/deg-molHeat of Solution (Absorbed) 25°C: -13.03 Kcal/g-mol or -51.71 BtuHeat of Formation: -1147.8 Kcal/g-mol or -4555.0 Btu
In 25KG bags; 42bags/pallet
WCode: 02-010-2CAS No.: 1303-96-4Molecular Formula: Na2B4O7.10H2OMolecular Weight: 381.37
Appearance: White, granular, crystaldGrades: Technical StandardDescription: 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.
in Water at 20°C(68°F):
Weight 0.1%: 9.24Weight 0.5%: 9.23Weight 1.0%: 9.23Weight 2.0%: 9.24Weight 3.0%: 9.27Weight 4.78%(Saturation): 9.32
Specific Gravity 25°C: 1.73Specific Heat 25°C: 147 cal/deg-molHeat of Solution (Absorbed) 18°C: -2.589Kcal/g-mol or -102.59 BtuHeat of Formation: -1503.0 Kcal/g-mol or -5964.7 Btu
In 25kg bags; 42bags/pallet
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