Benzoic acid, calcium salt (2:1)

Basic Information

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CAS Number

2090-05-3

Molecular Formula

C14H10CaO4

Molecular Weight

282.3 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Boiling Point

249.3°C at 760 mmHg

Water Solubility

Soluble in water (2.6 g/100ml at 0°C).

Flash Point

111.4°C

SMILES

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[O-]C(=O)c1ccccc1.[O-]C(=O)c1ccccc1.[Ca+2]

InChI

1S/2C7H6O2.Ca/c2*8-7(9)6-4-2-1-3-5-6;/h2*1-5H,(H,8,9);/q;;+2/p-2

InChIKey

NSQPPSOSXWOZNH-UHFFFAOYSA-L

LogP

2.61540

Complexity

Synonyms & References

English

Calcium benzoate
Calcium benzoate hydrate
Benzoic acid,calcium salt
Calcium dibenzoate
calcium(2+) dibenzoate
Calciumbenzoat
calcium-benzoate
E213
UNII-3QDE968MKD
Benzoicacid, calcium salt (8CI,9CI)
Calcium benzoate (6CI,7CI)
Benzocalol
Calciumdibenzoate
E 213

MDL Number

MFCD00050767

Customs Code

2916310090

FAQ

What are the physical and chemical properties of Benzoic acid, calcium salt (2:1) (CAS: 2090-05-3)?

Benzoic acid, calcium salt (2:1) is a white, crystalline solid with a molecular weight of approximately 224.24 g/mol. It is sparingly soluble in water but soluble in ethanol. The salt is relatively stable and exhibits weak acidity. It reacts with bases to form benzoate salts and can undergo esterification reactions.

How is Benzoic acid, calcium salt (2:1) (CAS: 2090-05-3) typically synthesized?

Benzoic acid, calcium salt (2:1) is typically synthesized by reacting benzoic acid with calcium hydroxide in an aqueous medium. The reaction is exothermic and the yield is around 85-90%. The process usually involves stirring and filtration to isolate the salt.

What industries use Benzoic acid, calcium salt (2:1) (CAS: 2090-05-3)?

Benzoic acid, calcium salt (2:1) is used in the pharmaceutical industry as a preservative, in the food industry as a preservative and flavor enhancer, and in the polymer industry as a stabilizer. It also finds applications in the production of sensors and as a reagent in analytical chemistry.

What precautions should be taken when handling Benzoic acid, calcium salt (2:1) (CAS: 2090-05-3)?

When handling Benzoic acid, calcium salt (2:1), appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat should be worn. The substance should be stored in a well-ventilated area and handled in a fume hood. Spills should be cleaned up using absorbent materials and disposed of according to local regulations. Always refer to the Material Safety Data Sheet (MSDS/SDS) for detailed safety information.