Sodium Iodide Pure n BP USP ACS Reagent Manufacturers

Anmol Chemicals is the pioneer manufacturers of Sodium Iodide, Pharmaceutical Excipients Fragrance Food & Flavor chemicals in India. We offer Halal and Kosher Sodium Iodide 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 Sodium Iodide is in these pages.

The units have one or more of the certifications like FDA GMP, ISO 9001, ISO 22000, HACCP, REACH, Kosher & Halal

Sodium Iodide BP USP Commercial AR ACS Reagent Grade Manufacturers

Sodium Iodide CAS Number 7681-82-5(anhydrous); 13517-06-1(dihydrate), EINECS EC Number 231-679-3, Molecular Weight 149.89 , Molecular Formula: NaI

Sodium Iodide contains not less than 99.0 percent and not more than 101.5 percent of NaI, calculated on the anhydrous basis.

Identification: A solution (1 in 20) responds to the tests for Sodium and for Iodide.
Alkalinity: Dissolve 1.0 g in 10 mL of water, and add 0.15 mL of 0.10 N sulfuric acid: no red color is produced by the addition of 1 drop of phenolphthalein TS.
Water: not more than 2.0%.
Iodate: It meets the requirements of the test for Iodate under Potassium Iodide, 100 mg of Sodium Iodide being used in the control.
Thiosulfate and barium: It meets the requirements of the test for Thiosulfate and barium under Potassium Iodide.
Potassium: A solution of 1.0 g in 2 mL of water yields no precipitate with 1.0 mL of sodium bitartrate.
Heavy metals: Dissolve 2.0 g in 25 mL of water: the limit is 0.001%.
Limit of nitrate, nitrite, and ammonia: Add 5 mL of 1 N sodium hydroxide and about 200 mg of aluminum wire to a solution of 1.0 g of Sodium Iodide in 5 mL of water, contained in a test tube of about 40-mL capacity. Insert a pledget of purified cotton in the upper portion of the test tube, and place a piece of moistened red litmus paper over the mouth of the tube. Heat in a steam bath for 15 minutes: no blue coloration of the paper is discernible.
Assay: Weigh accurately about 500 mg of Sodium Iodide, and dissolve in about 10 mL of water. Add 35 mL of hydrochloric acid, and titrate with 0.05 M potassium iodate VS until the dark brown solution which is produced becomes pale brown. Add 1 mL of amaranth TS, and continue the titration slowly until the red color just changes to yellow. Each mL of 0.05 M potassium iodate is equivalent to 14.99 mg of NaI.

CHARACTERS
Appearance: White or almost white, crystalline powder or colourless crystals, hygroscopic.
Solubility: Very soluble in water, freely soluble in ethanol (96 per cent).

IDENTIFICATION
A. Solution S (see Tests) gives the reactions of iodides.
B. Solution S gives the reactions of sodium.

TESTS
Solution S: Dissolve 10.0 g in carbon dioxide-free water R prepared from distilled water R and dilute to 100 ml with the same solvent.
Appearance of solution: Solution S is clear (2.2.1) and colourless.
Alkalinity: To 12.5 ml of solution S add 0.1 ml of bromothymol blue solution R1. Not more than 0.7 ml of 0.01 M hydrochloric acid is required to change the colour of the indicator.
Iodates: To 10 ml of solution S add 0.25 ml of iodide-free starch solution R and 0.2 ml of dilute sulphuric acid R and allow to stand protected from light for 2 min. No blue colour develops.
Sulphates: Maximum 150 ppm.
Dilute 10 ml of solution S to 15 ml with distilled water R.
Thiosulphates: To 10 ml of solution S add 0.1 ml of starch solution R and 0.1 ml of 0.005 M iodine. A blue colour is produced.
Iron: Maximum 20 ppm.
Dilute 5 ml of solution S to 10 ml with water R.
Heavy metals: Maximum 10 ppm.
12 ml of solution S complies with test A. Prepare the reference solution using lead standard solution (1 ppm Pb) R.
Loss on drying: Maximum 3.0 per cent, determined on 1.00 g by drying in an oven at 105 °C for 3 h.

ASSAY
Dissolve 1.300 g in water R and dilute to 100.0 ml with the same solvent. To 20.0 ml of the solution add 40 ml of hydrochloric acid R and titrate with 0.05 M potassium iodate until the colour changes from red to yellow. Add 5 ml of chloroform R and continue the titration, shaking vigorously, until the chloroform layer is decolorised. 1 ml of 0.05 M potassium iodate is equivalent to 14.99 mg of NaI.

MAXIMUM ALLOWABLE
Insoluble matter: 0.01%
Chloride and bromide (as Cl): 0.01%
Iodate (IO3): 3 ppm
Nitrogen compounds (as N): 0.002%
Phosphate (PO4): 0.001%
Sulfate (SO4): 0.005%
Barium (Ba): 0.002%
Heavy metals (as Pb): 5 ppm
Iron (Fe): 5 ppm
Calcium (Ca): 0.002%
Magnesium (Mg): 0.001%
Potassium (K): 0.01%

Anmol Chemicals
S-8, SARIFA MANSION, 2ND FLANK ROAD, CHINCHBUNDER, MUMBAI 400009, INDIA
TEL: (OFFICE) 91-22-23770100, 23726950, 23774610, 23723564. FAX: 91-22-23728264

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