Calcium ascorbate dihydrate
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Calcium ascorbate dihydrate
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CAS No:
5743-28-2
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Formula:
C6H8O6.1/2Ca.H2O
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Chemical Name:
Calcium ascorbate dihydrate
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Synonyms:
L-Ascorbic acid,calcium salt,hydrate (2:1:2);L-Ascorbic acid,calcium salt (2:1),dihydrate;Calcium ascorbate dihydrate;Calcium L-ascorbate dihydrate;6381-95-9
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CAS No:
Description
White or slightly yellowish, crystalline powder.
White to slightly pale greyish-yellow odourless crystalline powder
Calcium ascorbate dihydrate Basic Attributes
426.34
426.032257
227-261-5
DTXSID3047687
White crystalline powder
2936270000
Characteristics
222
-3.09760
white to slightly yellow crystalline
166 °C (dec.)(lit.)
415.8°C at 760 mmHg
300 °C
INSOL IN ETHER
[α]D/20 between + 95° and + 97° (5 % w/v aqueous solution)
ODORLESS
Between 6,0 and 7,5 (10 % aqueous solution)
Triclinic crystals. Specific optical rotation: +95.6 deg @ 20 °C/D (2.4%). Freely sol in H2O; practically insol in methanol, ethanol. Aq soln are neutral and oxidize quickly. /Dihydrate/|A white to slightly yellow crystalline powder; odorless. Soluble in water; slightly soluble in alcohol; insoluble in ether. pH of 10% soln is between 6.8 and 7.4. /Dihydrate/
Safety Information
NONH for all modes of transport
3
AQ SOLN ... OXIDIZE QUICKLY.
SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.
Calcium ascorbate used as a chemical preservative is generally recognized as safe when used in accordance with good manufacturing or feeding practice.|Calcium ascorbate used as a chemical preservative in food for human consumption is generally recognized as safe when used in accordance with good manufacturing practice.
Drug Information
Naturally occurring or synthetic substances that inhibit or retard oxidation reactions. They counteract the damaging effects of oxidation in animal tissues. (See all compounds classified as Antioxidants.)|Organic substances that are required in small amounts for maintenance and growth, but which cannot be manufactured by the human body. (See all compounds classified as Vitamins.)
calcium ascorbate
Calcium ascorbate dihydrate Use and Manufacturing
Prepd from ascorbic acid and calcium carbonate by controlled precipitation in dilute acetone or alcohol: Ruskin, Merrill, Science 105, 504 (1947); Ruskin, US pat 2,596,103 (1952); idem, US pat 2,631,155 (1953 to Physiological Chemicals).
A physiological antioxidant and coenzyme.
(1972) PROBABLY GREATER THAN 4.54X10+5 GRAMS|(1975) PROBABLY GREATER THAN 4.54X10+5 GRAMS
PARENTERAL PREPN: CAL-C-BATE (KAY): EACH CC OF SOLN CONTAINS CALCIUM GLUCONATE 50 MG & CALCIUM ASCORBATE 50 MG WITH BENZYL ALCOHOL 1.5% & SODIUM BISULFITE 0.05% IN 10 ML CONTAINERS.|Grade: FCC /dihydrate/|The commercial product is the natural L(+)-enantiomer monohydrate
Therap cat: Vitamin (antiscorbutic)|The addition of ... stabilizers such as cysteine, has been patented: Karrer, US patent 2,442,461 (1948 to Hoffmann-La Roche).
DETERMINATION OF ASCORBIC ACID IN FOOD.
DETERMINATION OF ASCORBIC ACID IN BLOOD.
Food additives
Food Additives -> ANTIOXIDANT;
Computed Properties
Molecular Weight:426.34
Hydrogen Bond Donor Count:8
Hydrogen Bond Acceptor Count:14
Rotatable Bond Count:6
Exact Mass:426.0322461
Monoisotopic Mass:426.0322461
Topological Polar Surface Area:222
Heavy Atom Count:27
Complexity:520
Defined Atom Stereocenter Count:4
Covalently-Bonded Unit Count:5
Compound Is Canonicalized:Yes
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