Citric Acid Lab Grade Description
Key Points
- Purity: Lab-grade citric acid typically has high purity levels, often above 99%, ensuring it is free from significant impurities that could affect experimental results.
- Form: It is commonly available in anhydrous (water-free) or monohydrate (with one molecule of water) forms, usually as a crystalline powder or granules.
- Chemical Properties: Citric acid is a weak organic acid with the chemical formula C₆H₈O₇, known for its high solubility in water and its ability to chelate metals.
- Packaging: Available in various packaging sizes, from small bottles to larger containers, depending on the volume required for laboratory applications.
- Storage Conditions: Typically stored in tightly sealed containers to prevent moisture absorption and contamination, in a cool, dry place away from direct sunlight.
Uses of Citric Acid in Laboratories
- Buffering Agent: Used to prepare buffer solutions to maintain the pH of solutions in biochemical and molecular biology experiments.
- Chelating Agent: Employed to chelate (bind) metal ions, which is useful in various chemical reactions and in cleaning applications to remove scale and metal deposits.
- pH Adjustment: Used to adjust the pH of solutions, providing a stable acidic environment for certain reactions and processes.
- Food Testing: Utilized in the analysis and testing of food products, particularly to determine acidity levels and to act as a preservative in food samples.
- Cleaning: Acts as an effective, environmentally friendly cleaning agent to remove limescale, rust, and other mineral deposits from lab equipment and surfaces.
- Preservation: Employed in the preservation of biological specimens and samples by lowering the pH to inhibit microbial growth.
Precautions When Using Citric Acid in Laboratories
- Eye Irritation: Citric acid can cause eye irritation. Wear appropriate eye protection, such as safety goggles, to prevent contact.
- Skin Irritation: Can cause skin irritation upon prolonged contact. Use gloves and protective clothing to avoid direct skin exposure.
- Inhalation: Avoid inhaling citric acid powder, as it can cause respiratory irritation. Use in a well-ventilated area or under a fume hood.
- Handling: Handle with care to avoid creating dust, which can be irritating to the respiratory tract. Use appropriate tools and equipment for measuring and transferring the substance.
- Labeling and Storage: Clearly label containers with contents and hazards. Store citric acid in tightly sealed containers in a cool, dry place away from incompatible substances such as strong bases.
- Disposal: Dispose of citric acid waste according to local regulations and guidelines. It is generally considered less hazardous, but proper disposal methods should still be followed to avoid environmental contamination.
If you'd like to know more about this chemical or need any analysis
Merck Emplura
Citric Acid Monohydrate
Packaging
Size: 500 gm
Packaging
Type: Plastic Jar
Packaging Size
|
500 g
|
Packaging Type
|
Plastic Jar
|
Boiling Point
|
310 Degree
Celsius
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Form
|
Powder
|
Brand
|
Merck
|
Grade Standard
|
Industrial Grade
|
CAS Number
|
5949-29-1
|
Flash Point
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173.9 Degree Celsius Not applicable
|
Molar Mass
|
210.14 g/mol
|
Formula
|
C6H8O7
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EC No
|
201-069-1
|
Grade Value
|
ACS, ISO, Reag. Ph Eur
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HS Code
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2918 14 00
|
Synonyms
|
2-Hydroxypropane-1,2,3-tricarboxylic acid, Hydroxytricarballylic acid
|
Density
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1.54 g/cm3
|
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