Cream of Tartar or Potassium Bitartrate USP BP Ph Eur FCC Food grade Manufacturers |
Supplier, Manufacturer, Exporter of Cream of Tartar or Potassium Bitartrate, Muby Chemicals of Mubychem Group, established in 1976, is the original manufacturers of Specialty Chemicals, Pharmaceutical Excipient, Fragrance Food & Flavor chemicals, Reagent Grade Chemicals, Shale Gas Fracturing Chemicals in India. Mubychem Group has several manufacturing facilities spread across Western India and world wide contacts and toll manufacturers. We are exporting globally to countries like USA, Canada, Europe, UAE, South Africa, Tanzania, Kenya, Egypt, Nigeria, Cameroon, Uganda, Turkey, Mexico, Brazil, Chile, Argentina, Dubai, Korea, Vietnam, Thailand, Malaysia, Indonesia, Australia, China, Germany, France, Italy, Portugal, Bangladesh, etc. The products are offered as per required specifications and in correct shape and size in mm or meshs or microns as specified by the buyer. The participating units have one or more accreditations like FDA - cGMP and GLP approval, ISO-9001 Certified, "REACH" Registered, ISO-14001, ISO/IEC 17025, ISO-22000, FSSC 22000, ISO 45001, Kosher Certified, Halal Certified, HACCP, FSSAI. We offer Commercial Pure & IP BP EP Ph Eur USP NF JP FCC Food Grade Analytical Reagent Grades of Chemicals |
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Cream of tartar, Potassium bitartrate CAS Number 868-14-4, Molecular Weight 188.18, Chemical Formula C4H5KO6
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Potassium Bitartrate
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Potassium Bitartrate USP Grade Specifications
Potassium Bitartrate (Also called Cream of Tartar)
C4H5KO6 188.18
Butanedioic acid 2,3-dihydroxy-, [R-(R*,R*)]-, monopotassium salt.
Potassium hydrogen tartrate [CAS 868-14-4].
Potassium Bitartrate, dried at 105 for 3 hours, contains not less than 99.0 percent and not more than 101.0 percent of C4H5KO6.
Identification—
A: Ignite it: it leaves a residue that imparts a reddish purple color to a non-luminous flame.
B: A saturated solution of Potassium Bitartrate yields a yellowish orange precipitate with sodium cobalt nitrite TS.
C: A solution (1 in 10 of Potassium Bitartrate) responds to the tests for Tartrate.
Insoluble matter— Mix 500 mg of it with 3 mL of 6 N ammonium hydroxide: no un-dissolved residue remains.
Limit of ammonia—
Sodium hypochlorite solution— Use a commercially available solution that contains between 4.0% and 6.0% of sodium hypochlorite.
Oxidizing solution— [NOTE—Prepare on the day of use.] Prepare a mixture of alkaline sodium citrate TS and Sodium hypochlorite solution (4:1).
Diluted sodium nitroferricyanide solution— Prepare a mixture of water and sodium nitroferricyanide TS (10:1).
Standard solution— Transfer 300 mg of ammonium chloride, previously dried over silica gel for 4 hours, to a 1-L volumetric flask, and dilute with water to volume. This solution contains 100 =g of ammonia per mL. Dilute this solution quantitatively, and stepwise if necessary, with water to obtain a solution having a concentration of 0.25 =g of ammonia per mL.
Test solution— Transfer 250 mg of Potassium Bitartrate to a 100-mL volumetric flask, and dissolve in and dilute with water to volume. Heat gently to facilitate the dissolution.
Procedure— [NOTE—Carefully follow the order of addition stated below.] Separately transfer 6.0 mL each of the Standard solution and the Test solution to two color-comparison tubes. To each tube add 0.4 mL of phenol TS, 0.4 mL of Diluted sodium nitroferricyanide solution, and 1.0 mL of Oxidizing solution. Dilute with water to 10 mL, mix, and allow to stand for 1 hour: the color of the Test solution is not darker than the color of the Standard solution (0.01%).
Heavy metals— the limit is 0.002%.
Potassium Hydrogen Tartrate BP Ph Eur Grade Specifications:
Cream of Tartar
C4H5KO6 --- 188.2 CAS 868-14-4
Action and use: Excipient.
DEFINITION
Potassium hydrogen (2R,3R)-2,3-dihydroxybutane-1,4-dioate.
Content: 99.5 per cent to 100.5 per cent (dried substance).
CHARACTERS
Appearance: White or almost white, crystalline powder or colourless crystals.
Solubility: Slightly soluble in water, insoluble in ethanol (96 per cent). It dissolves in dilute solutions of mineral acids and alkali hydroxides.
IDENTIFICATION
A. Specific optical rotation.
B. Suspend 0.5 g in 50 mL of water and boil until dissolution is complete. Allow to cool (solution A). To 5 mL of solution A, add 0.1 mL of methyl red solution. The solution is red.
C. Solution A gives reaction (a) of tartrates.
D. Solution A gives reaction of potassium.
Specific optical rotation: + 8.0 to + 9.2 (dried substance).
Dissolve 2.50 g in 20 mL of 1 M hydrochloric acid with heating. Allow it to cool. Dilute to 25.0 mL with water.
Oxalic acid: Maximum 500 ppm.
Chlorides: Maximum 500 ppm.
Sulfates: Maximum 500 ppm.
Barium: Suspend 0.50 g in a mixture of 1.5 mL of dilute hydrochloric acid and 8.5 mL of water. Heat until dissolution is complete. Allow it to cool. Add 1 mL of dilute sulfuric acid. The solution remains clear on standing for 15 min.
Loss on drying: Maximum 0.5 per cent, determined on 1.000 g by drying in an oven at 105C.
Potassium Acid Tartrate FCC Food Grade Specifications
Potassium Bitartrate; Cream of Tartar
KOOCCH(OH)CH(OH)COOH
C4H5KO6 Formula wt 188.18
INS: 336 CAS: [868-14-4]
DESCRIPTION
Potassium Acid Tartrate occurs as colorless or slightly opaque crystals, or as a white, crystalline powder. It is a salt of L(+)- tartaric acid. One gram dissolves in 165 mL of water at 25°, in 16 mL of boiling water, and in 8820 mL of alcohol. A saturated solution is acid to litmus.
Function: Acidifier; buffer.
REQUIREMENTS
Identification:
A. When sufficiently heated, a sample chars and emits flammable vapors having an odor resembling that of burning sugar. At a higher temperature and with free access to air, the heat consumes the carbon of the black residue, and a white, fused mass of potassium carbonate remains that imparts a red-purple color to a non-luminous flame.
B. Mix a saturated solution of sample with sodium cobalt nitrite TS. A yellow-orange precipitate forms.
C. Neutralize a saturated solution of sample with 1 N sodium hydroxide in a test tube, add silver nitrate, then just sufficient 6 N ammonium hydroxide to dissolve the white precipitate, and boil the solution. A mirror forms on the inner surface of the test tube from the silver deposited there.
Assay: Not less than 99.0% and not more than 101.0% of C4H5KO6 after drying.
Ammonia: Passes test.
Insoluble Matter: Passes test.
Lead: Not more than 2 mg/kg.
We also manufacture and supply as under:
Ammonium Tartrate Dibasic or Diammonium Tartrate
Potassium Bitartrate, Cream of Tartar
Manufacturers Suppliers:
MUBY CHEMICALS
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Last
11 May, 2024
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