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Citric Acid Anhydrous - ENSIGN
Cas No.: 77-92-9

HS Code: 29181400.00

Chemical Formula: C6H8O7

Molecular Weight: 192.12

Net weight: 25KG/bag
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product description
Product Name: Citric acid anhydrous

Cas No.: 77-92-9

HS Code: 29181400.00

Chemical Formula: C6H8O7

Molecular Weight: 192.12

Net weight: 25KG/bag


ITEMUNITQUALITY STANDARDSANALYSIS RESULTS
Characters---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 ethanolPass
Identification---Pass TestPass
Appearance---Pass TestPass
Assay%99.5-100.599.9
Water%≤0.050.1
Readily Carbonisable Substances---Pass TestPass
Sulphated Ash (Residue on Ignition)%≤0.050.02
Sulfatemg/kg≤150＜150
Oxalatemg/kg≤100＜100
Leadmg/kg≤0.5＜0.5
Arsenicmg/kg≤1＜1
Mercurymg/kg≤1＜1
Aluminiummg/kg≤0.2＜0.2
Heavy Metalsmg/kg≤10＜10
Bacterial endotoxinsIU/mg≤0.5＜0.5
Conclusion: The product is in conformity with BP/USP/FCC/E330

PRODUCT DESCRIPTION

Citric acid Anhydrous, molecular formula C6H8O7, is a colorless translucent crystal or white granule or white crystalline powder, often containing a molecule of crystal water, odorless, extremely sour taste, soluble in water, alcohol and ether. Anhydrous citric acid can be obtained by controlling the appropriate temperature during crystallization. The aqueous solution is acidic. Slight weathering in dry air, deliquescence in humid air. Mainly used in food and beverage industry as sour agent, acidity regulator, flavoring agent, preservative and preservative. It is also used as antioxidant, plasticizer, detergent in chemical industry, cosmetic industry and washing industry.

 

PRODUCT FEATURES

Colorless and translucent crystalline or white granules, or white crystalline powder, often containing a molecule of crystal water, odorless, extremely sour in taste, soluble in water, alcohol and ether. Its calcium salt is more soluble in cold water than in hot water, and this property is often used to identify and separate citric acid. Anhydrous citric acid can be obtained by controlling the appropriate temperature during crystallization. The aqueous solution is acidic. Slight weathering in dry air, deliquescence in humid air. Above 175℃, it decomposes to release water and carbon dioxide.


Physicochemical properties: Relative density 1.542, melting point 153°C (water loss), refractive index 1.493~1.509, critical temperature of solution crystallization 36.6°C (crystals above 36.6°C are anhydrous citric acid, crystals below 36.6°C are citric acid monohydrate).

 

PRODUCT USAGE

Mainly used in food and beverage industry as sour agent, acidity regulator, flavoring agent, preservative and preservative. It is also used as antioxidant, plasticizer, detergent in chemical industry, cosmetic industry and washing industry.


PACKAGING & STORAGE

It should be placed in a cool and dry place indoors to avoid sun and rain.

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