di-SODIUM TETRABORATE DECAHYDRATE (BORAX)

  • SYNONYMS :
  • Sodium tetraborate decahydrate; Borax decahydrate; Sodium borate decahydrate

Article No. 06038 Grade AR/ACS
Purity 99.5% CAS No. 1303-96-4
Molecular Formula Na2B4O7.10H2O Molecular Weight 381.37
H.S. Code 2840.1990 Shelf Life 5 Years
Buffer substance.
 

 

Safety Information and Hazard Symbols

Health Hazard
Symbol: GHS08
Signal Word: Danger
Hazardous Statement: H360FD
Precaution Statement: P201-P308 + P313
 

Packings

00500 500 g Request for price
05000 5000 g Request for price
0025K 25 Kg Request for price
0050K 50 Kg Request for price
 
Revision Date : 16-May-2014

Specifications

Appearance A white crystalline powder
Assay (by acidimetry) 99.5 - 103%
Identity Passes test
Clarity of solution Passes test
Insoluble matter Max 0.005%
pH (0.01M solution, 25 deg C) 9.15 - 9.20
pH (4% solution in water) 9.0 - 9.6
Chloride (Cl) Max 0.0007%
Phosphate (PO4) Max 0.001%
Sulphate (SO4) Max 0.005%
Heavy metals (as Pb) Max 0.001%
Arsenic (As) Max 0.0005%
Calcium (Ca) Max 0.005%
Copper (Cu) Max 0.0005%
Iron (Fe) Max 0.0005%
Ammonium (NH4) Max 0.001%
Lead (Pb) Max 0.0005%