Sodium propionate

Basic Information

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CAS Number

137-40-6

Molecular Formula

C3H5NaO2

Molecular Weight

96.06 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

285-286 °C

Boiling Point

141.7°Cat760mmHg

Density

0.8150

Water Solubility

995 g/L (20 ºC)

Flash Point

>250°C o.c.

Solubility

H2O: 0.1 g/mL, clear

SMILES

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[Na+].CCC(=O)[O-]

InChI

InChI=1S/C3H6O2.Na/c1-2-3(4)5;/h2H2,1H3,(H,4,5);/q;+1/p-1

InChIKey

JXKPEJDQGNYQSM-UHFFFAOYSA-M

LogP

-0.85370

Complexity

44.1

Safety Information

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GHS Hazard Pictograms

H312

Hazard Statement

H312 Harmful in contact with skin
Acute toxicity, dermal

Stability

Stable. Incompatible with strong oxidizing agents. Hygroscopic.

Sensitiveness

Hygroscopic

Synonyms & References

English

Propionic acid, sodium salt
Sodium propionate
propionic acid sodium type I
propionic acid sodium insect cell*culture tested
Propanoic acid, sodium salt
bioban-s
deketon
Impedex
keenate
Mycoban
Napropion
propion
Propionate sodium salt
Propionic acid
propisol
sodium n-propionate
sodium proprionate
Spac
whit-pro
Sodium propionate anhydrous
Propionic Acid Sodium Salt
Propanoic acid sodium salt
Sodium propanoate
Ocuseptine
SODIUMPROPIONATE
Propiofar
Natriumpropionat
Propi-ophtal
Caswell No. 707A
Propionan sodny [Czech]
Natriumpropionat [German]

MDL Number

MFCD00002759

FAQ

What is Sodium propionate (CAS: 137-40-6)?

Sodium propionate is an organic compound with the chemical formula C3H6NaO2. It is a sodium salt of propionic acid and appears as a white crystalline solid. It is soluble in water and has a mild, salty odor. Sodium propionate is commonly used as a preservative and acidulant in various industries, including food and pharmaceuticals.

What are the main uses of Sodium propionate (CAS: 137-40-6)?

Sodium propionate is primarily used as a preservative in food to inhibit mold and yeast growth. It also serves as a buffer in pharmaceuticals and is used in the production of plastics and textiles. In research, it functions as a reagent in organic synthesis. Additionally, it is employed in the manufacturing of certain dyes and coatings due to its chemical properties.

Is Sodium propionate (CAS: 137-40-6) safe?

Sodium propionate is generally considered safe when used in recommended amounts. It is approved by regulatory bodies such as the FDA for food use and has low toxicity. However, proper handling is essential to avoid inhalation or skin contact. Safety data sheets (SDS) recommend using protective gloves and eyewear during handling to ensure safe exposure.

How should Sodium propionate (CAS: 137-40-6) be stored?

Sodium propionate should be stored in a cool, dry, and well-ventilated area, away from direct sunlight. It is stable under normal storage conditions but should be kept in a sealed container to prevent moisture absorption. Proper storage ensures its chemical integrity and prolongs shelf life, making it suitable for use in food, pharmaceutical, and industrial applications.