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How to store sodium benzoate

  Identification:

CAS No.532-32-1

Molecular Formula:C6H5CO2NA

Application:

1.Antiseptic and antimicrobial mainly used in food, medicine, cosmetics, toothpaste, perfumery, tobacco and feed industry
2.Antitrust liquid for cooling system of automobile
3.Anticorrosive for metal

Specification:

ITEMS OF ANALYSIS

SPECIFICATION

RESULTS

Testing method


APPEARANCE:

FREE FLOWING WHITE POWDER

PASSED

IN HOUSE #PSB01

ASSAY (%):

99.00-100.50

99.70

GB1902-2005

LOSS ON DRYING(%):

1.5MAX

0.90

GB/T 6678-2003. 7.6

(1:10)COLOR OF SOLUTION (HAZEN):

20MAX

QUALIFIED

GB/T3134

APPEARANCE OF SOLUTION:

PASS

QUALIFIED

GB1902-2005

OXIDIZABLE SUBSTANCE EXPERIMENT:

PASS

QUALIFIED

GB1902-2005

ACIDITY AND ALKALINITY:

PASS

QUALIFIED

GB1902-2005

HEAVY METAL (AS Pb) (PPM):

10MAX

6

GB/T5009.74

ARSENIC(As) (PPM):

2MAX

1.05

GB/T5009.76

CHLORIDE (PPM):

300MAX

225

GB1902-2005

PHTHALIC ACID:

PASS

300

GB1902-2005

ORGANIC VOLATILE IMPURITIES:

IN CONFORMITY WITH THE REGULATIONS

QUALIFIED

GB1902-2005

CONCLUSION:

CONFORM TO BP GRADE


Sodium benzoate

The storage method for sodium benzoate involves several key considerations to ensure its quality and safety. Here are the detailed steps for storing sodium benzoate:

1. Environment Selection

  • Temperature: Sodium benzoate should be stored at a temperature between 15°C and 25°C (room temperature). Avoid storing it in extremely hot or cold environments as this may affect its stability.
  • Humidity: In humid climates, sodium benzoate should be stored in a sealed container to prevent moisture absorption. Prolonged exposure to high humidity can degrade the quality of sodium benzoate.

2. Light Protection

  • Light Sensitivity: Sodium benzoate is sensitive to light, and prolonged exposure to direct sunlight or bright light can cause it to decompose, affecting its chemical properties.
  • Storage Containers: To avoid light exposure, store sodium benzoate in brown glass bottles or other opaque containers. This will help shield the sodium benzoate from light and protect its quality.

3. Packaging and Sealing

  • Sealing: Ensure that the sodium benzoate is tightly sealed in its container to prevent air and moisture from entering.
  • Packaging Materials: Choose packaging materials that are compatible with sodium benzoate and will not react with it, such as polyethylene or polypropylene containers.

4. Storage Location

  • Dry and Ventilated Area: Store sodium benzoate in a dry, well-ventilated area. Avoid storing it in damp or enclosed spaces where mold and mildew can grow.
  • Away from Fire and Oxidants: Keep sodium benzoate away from fire sources and oxidants to prevent accidental fires or chemical reactions.

5. Storage Period

  • Shelf Life: Sodium benzoate has a limited shelf life, typically two years. Always check the production date and expiration date before using.
  • First-In, First-Out: To ensure the use of fresh sodium benzoate, follow the first-in, first-out principle when storing and using it.

6. Labeling and Documentation

  • Proper Labeling: Clearly label the storage container with the name of the chemical, the date of purchase, and any other relevant information.
  • Documentation: Maintain records of the storage conditions, inventory levels, and any other relevant information to ensure compliance with regulations and to facilitate tracking and monitoring.

By following these storage guidelines, you can ensure that your sodium benzoate remains in optimal condition and is ready for use when needed.

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