Citric Acid Anhydrous
Synonyms ：BETZ 0623；BETZ 6251；Citric acid；Citric acid anhydrous；Citric acid anhydride；BUFFER CONCENTRATE, PH 9.00；2-hydroxypropane-1,2,3-tricarboxylate
CAS NO. : 77-92-9
EINECS : 201-069-1
Molecular Formula : C6H8O7
Molar Mass : 192.12
Melting Point : 153-159 °C (lit.)
Boling Point : 248.08°C (rough estimate)
Properties：colorless translucent crystals or white particles, or white crystalline powder, often containing a molecule of crystal water, odorless, extremely sour taste, soluble in water, alcohol and ether.
Specification:
|
Technical Specification |
Standard |
|
Characters |
White or almost white,crystalline powder,colourless crystals or granules.Odorless,has a strongly acid taste. |
|
Water w/% |
≤0.5 |
|
Assay ,w/% |
99.5~100.5 |
|
Readily Carbonisable Substance |
Pass Test |
|
Citrate |
Pass Test |
|
Sulphated ASH( Residue on Ignition)w/% |
≤0.05 |
|
Sulfate, mg/kg |
≤150 |
|
Oxalate,mg/ kg |
≤100 |
|
Lead ，mg/kg |
≤0.5 |
|
Tridodecylamine, mg/kg (Au is NMT As) |
≤0.1 |
|
Arsenic ,mg/kg |
≤1 |
|
Mercury,mg/kg |
≤1 |
|
Heavy metals,mg/ kg |
≤10 |
|
Bacterial endotoxins IU/mg |
≤0.5 |
|
Aluminium,mg/kg |
≤0.2 |
|
Aerobic plate count,CFU/g |
≤10 |
|
Mould,CFU/g |
≤10 |
|
Yeast,,CFU/g |
≤10 |
Applications and Usages : Used as experimental reagents, chromatographic analysis reagents and biochemical reagents, also used in the preparation of buffer. It is used in the food industry in particular as an acidifying agent, a PH buffering agent, and together with other compounds as a preservation agent. In the detergent industry, it is an ideal substitute for phosphate. Boiler chemical cleaning pickling agent, boiler chemical cleaning rinsing agent. It is mainly used as a sour agent for food, and is also used for the preparation of medical coolants and detergents
Package : packed in P.P. woven bag of 25kgs net .
PIC：Yan Zhuo
Email：km11@kmchem.com
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