Description
Citric acid Product Detail
English name: Citric acid
CAS No. : 77-92-9
Molecular formula: C6H8O7
Appearance: White grit
Typical Properties
Melting point
153-159 ??C (lit.)
Boiling point
248.08??C (rough estimate)
Density
1.67 g/cm3 at 20 ??C
Refractive index
1.493~1.509
Color
White
Appearance
grit
Solubility
Citric acid also dissolves in absolute (anhydrous) ethanol (76 parts of citric acid per 100 parts of ethanol) at 15 ??C.
Vapor Pressure
<0.1 hPa (20 ??C)
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Usage
It is mainly used as a sour agent in food and also used in the preparation of pharmaceutical fresheners, additives for detergents, etc.
It is widely used as a sour agent and pharmaceutical additive in food and beverage.
It is used as an experimental reagent, chromatographic analysis reagent, and biochemical reagent, and also used in buffer preparation.
Used as an analytical reagent.
Storage conditions
2-8??C
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Citric acid is a white, crystalline, weak organic acid present in most plants and many animals as an intermediate in cellular respiration. Citric acid contains three carboxyl groups making it a carboxylic, more specifically a tricarboxylic, acid.the name citrus originates from the Greek kedromelon meaning apple of melon for the fruit citron. Greek works mention kitron, kitrion, or kitreos for citron fruit, which is an oblong fruit several inches long from the scrublike tree Citrus medica. Lemons and limes have high citric acid content, which may account for up to 8% of the fruit’s dry weight.
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