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137-40-6

Basic Information
CAS No.: 137-40-6
Name: Propanoic acid, sodiumsalt (1:1)
Article Data: 17
Cas Database
Molecular Structure:
Molecular Structure of 137-40-6 (Propanoic acid, sodiumsalt (1:1))
Formula: C3H5NaO2
Molecular Weight: 96.0613
Synonyms: Propanoicacid, sodium salt (9CI);Bioban-S;Deketon;Impedex;Mycoban;Napropion;Ocuseptine;Propi-Ophtal;Propiofar;Propion;Propisol;Sodium ethanecarboxylate;Whit-Pro;
EINECS: 205-290-4
Density: N/A
Melting Point: 285-286 °C(lit.)
Boiling Point: 141.7 °C at 760 mmHg
Flash Point: 57.7 °C
Solubility: water: 0.1 g/mL, clear
Appearance: white powder
Hazard Symbols: HarmfulXn
Risk Codes: 21-38-36/37/38
Safety: 36/37-36/37/39-26-36
Transport Information: N/A
PSA: 40.13000
LogP: -0.85370
Synthetic route
814-80-2

calcium lactate

137-40-6

sodium proprionate

Conditions
ConditionsYield
With bis(acetylacetonato)dioxidomolybdenum(VI) In water at 200 - 270℃; Inert atmosphere;20%
7446-81-3

sodium 2-propenoate

137-40-6

sodium proprionate

Conditions
ConditionsYield
With hydrogen; platinum In water at 10 - 40℃; Kinetics; Thermodynamic data; Ea;

Sodium; 2-diphenylphosphanyl-propionate

A

137-40-6

sodium proprionate

B

19115-00-5

sodium salt of diphenyl phosphine oxide

Conditions
ConditionsYield
With sodium hydroxide In sodium hydroxide at 95.1℃; Title compound not separated from byproducts;
With sodium hydroxide In sodium hydroxide at 95.1℃; Rate constant;

(1,1,2-2H3)-1-propanol

A

137-40-6

sodium proprionate

B

73493-56-8

sodium (2R)-<2-2H1>propanoate

C

123701-28-0

sodium (2S)-<2-2H1>propanoate

Conditions
ConditionsYield
With oxygen; sodium hydrogencarbonate; platinum In water at 23℃; for 144h;
With oxygen; sodium hydrogencarbonate; platinum In water at 23℃; for 144h; Title compound not separated from byproducts;
1956-06-5

4-nitrophenyl propionate

A

137-40-6

sodium proprionate

B

824-78-2

4-nitrophenol sodium salt

Conditions
ConditionsYield
With sodium hydroxide at 25℃; Rate constant; also in presence Cu2α-cyclodextrin;
105-37-3

Ethyl propionate

A

64-17-5

ethanol

B

137-40-6

sodium proprionate

Conditions
ConditionsYield
With sodium hydroxide In water-d2; acetone at 24.8℃; Rate constant; Thermodynamic data; ΔH(excit.), ΔS(excit.), var. temperatures;
124-38-9

carbon dioxide

ethyl sodium ; compound with diethyl zinc

137-40-6

sodium proprionate

141-52-6

sodium ethanolate

carbon monoxide

carbon monoxide

137-40-6

sodium proprionate

Conditions
ConditionsYield
at 160℃;
1310-73-2

sodium hydroxide

A

137-40-6

sodium proprionate

B

141-53-7

sodium formate

Conditions
ConditionsYield
With ethene; carbon monoxide In neat (no solvent) at 180°C; small amounts of CH3CH2COONa;;
71-23-8

propan-1-ol

137-40-6

sodium proprionate

Conditions
ConditionsYield
With Au-Pd/TiO2; oxygen; sodium hydroxide In water at 60℃; under 7500.75 Torr; Autoclave;
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    Quick Details CAS No.: 137-40-6 Other Names: Sodium propionate MF: C3H5NaO2 EINECS No.: 205-290-4 Place of Origin: China

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    Sodium propionate CAS NO.137-40-6

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Consensus Reports

Reported in EPA TSCA Inventory.

Specification

The Sodium propionate is an organic compound with the formula C3H5NaO2. The IUPAC name of this chemical is sodium propanoate. With the CAS registry number 137-40-6, it is also named as propanoic acid, sodium salt (1:1). The product's category is Food & Flavor Additives. Besides, it is a white powder, which should be stored in a closed and dry place. It is used as a food preservative and is represented by the food labeling E number E281 in Europe. It is used primarily as a mold inhibitor in bakery products.

Physical properties about Sodium propionate are: (1)ACD/LogP: 0.25; (2)ACD/LogD (pH 5.5): -0.54; (3)ACD/LogD (pH 7.4): -2.33; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 5.3; (7)ACD/KOC (pH 7.4): 1; (8)#H bond acceptors: 2; (9)#H bond donors: 1; (10)#Freely Rotating Bonds: 1; (11)Polar Surface Area: 37.3 Å2; (12)Flash Point: 57.7 °C; (13)Enthalpy of Vaporization: 40.08 kJ/mol; (14)Boiling Point: 141.7 °C at 760 mmHg; (15)Vapour Pressure: 4.23 mmHg at 25°C.

Preparation: this chemical can be prepared by sodium carbonate and acid.



Uses of Sodium propionate: it can be used to produce propionic acid anhydride. The yield is about 95%.

When you are using this chemical, please be cautious about it as the following:
It is harmful in contact with skin. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Besides, this chemical is irritating to eyes, respiratory system and skin. When you are using it, wear suitable gloves and eye/face protection.

You can still convert the following datas into molecular structure:
(1)SMILES: [Na+].[O-]C(=O)CC
(2)InChI: InChI=1/C3H6O2.Na/c1-2-3(4)5;/h2H2,1H3,(H,4,5);/q;+1/p-1
(3)InChIKey: JXKPEJDQGNYQSM-REWHXWOFAH
(4)Std. InChI: InChI=1S/C3H6O2.Na/c1-2-3(4)5;/h2H2,1H3,(H,4,5);/q;+1/p-1
(5)Std. InChIKey: JXKPEJDQGNYQSM-UHFFFAOYSA-M

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 6332mg/kg (6332mg/kg)   Nippon Eiseigaku Zasshi. Japanese Journal of Hygiene. Vol. 28, Pg. 463, 1973.
mouse LD50 unreported 7800mg/kg (7800mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: EXCITEMENT
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 35(3), Pg. 96, 1970.
rabbit LD50 skin 1640mg/kg (1640mg/kg)   Journal of Industrial Hygiene and Toxicology. Vol. 31, Pg. 60, 1949.
rabbit LD50 unreported 6750mg/kg (6750mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: EXCITEMENT
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 35(3), Pg. 96, 1970.
rat LD50 unreported 8150mg/kg (8150mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: EXCITEMENT

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 35(3), Pg. 96, 1970.