Description:
Citric acid monohydrate appears as a colorless crystalline or white crystalline powder with a density of 1.54. Melting point 135-152 ℃. Flash point 173.9 ℃. Water solubility 1630 g/L (20 ℃).Easy to dissolve in methanol and water, sourced from black plums, sweet oranges, and lemon juice.
Application：
1.Citric acid monohydrate is mainly used in the food and beverage industry as an acid flavoring agent, seasoning agent, preservative, and preservative. Still used as antioxidants, plasticizers, and detergents in the chemical industry, cosmetics industry, and washing industry.
2.Verify bismuth, nitrite, oxygen, and water, determine aluminum, copper, mercury, nickel, oxygen, and thorium, use as multivalent chelating agents, remove trace metals, prepare buffer solutions, and determine blood potassium.
3.Mainly used as an acidity agent in food, as well as in the preparation of pharmaceutical cooling agents, detergent additives, etc
Specification:
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Item
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Unit
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Quality Standards
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Analysis Results
|
|
Characters
|
---
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White or almost white, crystalline
powder, colourless crystals or
granules. Odorless, has a strongly
acid taste. effloresces in dry air.
Very soluble in water, freely soluble
in ethanol.
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Pass
|
|
Identification
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---
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Pass Test
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Pass
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Appearance of solution
|
---
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Pass Test
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Pass
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Assay
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%
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99.5~ 100.5
|
99.8
|
|
Water
|
%
|
7.5~ 8.8
|
8.63
|
|
Readily Carbonisable Substances
|
---
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Pass Test
|
Pass
|
|
Sulphated Ash (Residue on Ignition)
|
%
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≤0.05
|
0.02
|
|
Sulfate
|
mg/kg
|
≤150
|
<150
|
|
Oxalate
|
mg/kg
|
≤100
|
<100
|
|
Lead
|
mg/kg
|
≤0.5
|
<0.05
|
|
Arsenic
|
mg/kg
|
≤1.0
|
<0.3
|
|
Mercury
|
mg/kg
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≤1.0
|
<0.5
|
|
Aluminium
|
mg/kg
|
≤0.2
|
<0.2
|
|
Heavy Metals
|
mg/kg
|
≤5.0
|
<5.0
|
|
Bacterial endotoxins
|
IU/mg
|
≤0.5
|
<0.5
|
|
Conclusion：The product is in conformity with BP/USP/FCC/E330
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