Borax or Sodium Borate BP Ph Eur USP NF ACS Reagent IP Grade Manufacturers |
Muby chemicals, is the flagship company in Mubychem Group, established in 1976, It has several manufacturing units in its wings, making Inorganic Chemicals including Borax or Sodium Borate, Pharmaceutical Excipients & Flavour Chemicals in India. Mubychem Group has manufacturing facilities spread across Western India and sales purchase agents in several countries. The associated manufacturing units are accredited with certifications like FDA cGMP and GLP Approval, ISO-9001 ISO-14001, ISO/IEC 17025, ISO-22000, FSSC 22000, ISO 45001, Certification, "REACH" registration, Kosher, Halal & HACCP Certification. |
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CAS Number 1303-96-4 and CAS 1330-43-4
Borax BP Ph Eur Grade Specifications
Sodium Borate; Sodium Tetraborate
Na2B4O7-10H2O -- 381.4
-- CAS 1303-96-4
DEFINITION
Borax contains not less than 99.0 per cent and not more than the equivalent of 103.0 per cent of disodium tetraborate decahydrate.
CHARACTERS
A white, crystalline powder, colourless crystals or crystalline masses, efflorescent, soluble in water, very soluble in boiling water, freely soluble in glycerol.
TESTS
Solution S
Dissolve 4.0 g in carbon dioxide-free water prepared from distilled water and dilute to 100 ml with the same solvent.
Appearance of solution
Solution S is clear and colourless.
pH
The pH of solution S is 9.0 to 9.6.
Sulphates
15 ml of solution S complies with the limit test for sulphates (50 ppm).
Ammonium
6 ml of solution S diluted to 14 ml with water complies with the limit test for ammonium (10 ppm).
Arsenic
5 ml of solution S complies with limit test A for arsenic (5 ppm).
Calcium
15 ml of solution S complies with the limit test for calcium (100 ppm).
Heavy metals
12 ml of solution S complies with limit test A for heavy metals (25 ppm).
Sodium Borate USP NF Grade Specifications
Sodium Borate
Na2B4O7-10H2O --- 381.37
Borax.
Borax CAS 1303-96-4]
Anhydrous 201.22 CAS 1330-43-4
Sodium Borate contains an amount of Na2B4O7 equivalent to not less than 99.0 percent and not more than 105.0 percent of Na2B4O7·10H2O.
Carbonate and bicarbonate—
To 5 mL of a solution (1 in 20), contained in a test tube, add 1 mL of 3 N hydrochloric acid: no effervescence is observed.
Heavy metals—: the limit is 0.002%.
Sodium Borate Decahydrate or Borax ACS Grade Specifications
Sodium Tetraborate Decahydrate ACS
Na2B4O7-10H2O
Formula Weight 381.37
CAS Number 1303-96-4
REQUIREMENTS
Assay: 99.5-105.0% Na2B4O7-10H2O
pH of a 0.01 M solution: 9.15-9.20 at 25 C
MAXIMUM ALLOWABLE
Insoluble matter: 0.005%
Chloride (Cl): 0.001%
Phosphate (PO4): 0.001%
Sulfate (SO4): 0.005%
Calcium (Ca): 0.005%
Heavy metals (as Pb): 0.001%
Iron (Fe): 5 ppm
Borax or Sodium Borate BP Ph Eur USP NF IP ACS AR Analytical Reagent Grade Manufacturers:
Muby Chemicals & Associated Cos
BANDEALI BUILDING, CHINCHBUNDER, MUMBAI 400009, INDIA.
TEL: 91-22-23728264. Gujarat & Mumbai India.
info(At the Rate i.e. @)mubychem(dot)com
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Last updated
29-aug-22
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