Anmol Chemicals is the pioneer manufacturers of Boric Acid, Pharmaceutical Excipients Food & Flavor chemicals in India. We offer Halal and Kosher Boric Acid made in an ISO9001, ISO22000 (FSSC22000) cGMP and GLP certified facility. Our group has several manufacturing facilities spread across the world, supported by toll manufacturers and representatives in UAE, Europe, USA, China and has several associated manufacturing facilities spread across India. All the Information on Physics, Chemistry, Applications, Uses and Technology on Manufacture of Borax is in these pages.
The units have one or more of the certifications like FDA GMP, ISO 9001, ISO 22000, HACCP, REACH, Kosher & Halal

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Sodium Borate or Borax USP NF BP Ph Eur IP ACS Reagent Manufacturers

CAS Number 1303-96-4

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Borax BP
Na2B4O7,10H2O -- 381.4 -- CAS Number 1303-96-4

Borax contains not less than 99.0 per cent and not more than the equivalent of 103.0  per cent of disodium tetraborate decahydrate.

A white, crystalline powder, colourless crystals or crystalline masses, efflorescent, soluble in water, very soluble in boiling water, freely soluble in glycerol.

A. To 1 ml of solution S (see Tests) add 0.1 ml of sulphuric acid and 5 ml of methanol \ and ignite. The flame has a green border.
B. To 5 ml of solution S add 0.1 ml of phenolphthalein solution. The solution is red. On the addition of 5 ml of glycerol (85 per cent) the colour disappears.
C. Solution S gives the reactions of sodium.

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
Na2B4O7-10H2O 381.37 --- [1303-96-4]
Anhydrous 201.22 [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.

Identification: A solution (1 in 20) responds to the tests for Sodium and for Borate.
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 Reagent
Na2B4O7 -10H2O
Formula Wt 381.37
CAS Number 1303-96-4

Assay: 99.5-105.0% Na2B4O7-10H2O
pH of a 0.01 M solution: 9.15-9.20 at 25C

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 USP NF BP Ph Eur IP ACS Reagent Manufacturers:

Anmol Chemicals
TEL: (OFFICE) 91-22-23770100, 23726950, 23774610, 23723564. FAX: 91-22-23728264


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Copyright. March 2, 2022