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| CAS No.: | 6131-90-4 |
|---|---|
| Name: | Sodium acetate trihydrate |
| Molecular Structure: | |
|
|
|
| Formula: | C2H3NaO2.3(H2O) |
| Molecular Weight: | 136.08 |
| Synonyms: | Thomaegelin;Natriumacetat [German];EPA Pesticide Chemical Code 044006;(2-methyl-2,3-dihydroindol-1-yl)-[4-(2-methylpropoxy)phenyl]methanone;Sodium acetate (JP14/USP);Sodium acetate [USAN:JAN];Sodium acetate (TN);Plasmafusin;Octan sodny [Czech];Sodium acetate（Reagent grade）;Sodium acetate 3-Hydrate;crystal sodium acetate ( Pharmaceutical grade);crystal sodium acetate ( Food grade);Acetic acid, sodium salt trihydrate; |
| EINECS: | 204-823-8 |
| Density: | 1,45 g/cm3 |
| Melting Point: | 58 °C |
| Boiling Point: | 117.1 °C at 760 mmHg |
| Flash Point: | 40 °C |
| Solubility: | 762 g/L (20 °C) in water |
| Appearance: | white to colourless crystals or powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 24/25-36-26 |
| PSA: | 67.82000 |
| LogP: | -1.43670 |
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| Conditions | Yield |
|---|---|
| With sodium carbonate |
| Conditions | Yield |
|---|---|
| With water In neat (no solvent) formation of supersaturated soln. via H2O uptake, solidification after contact with solid materials and slow formation of NaCH3CO2*3H2O;; | |
| With water in moist air at ambient temp.;; | |
| With H2O in moist air at ambient temp.;; | |
| With H2O In neat (no solvent) formation of supersaturated soln. via H2O uptake, solidification after contact with solid materials and slow formation of NaCH3CO2*3H2O;; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) equlibrium reaction, uptake of 3 mol H2O from moist air;; | |
| In neat (no solvent) equlibrium reaction, uptake of 3 mol H2O from moist air;; |
| Conditions | Yield |
|---|---|
| With copper(I) oxide In neat (no solvent) byproducts: HCl; reaction without influence of air via stirring NaCl with acetic acid in presence of Cu2O;; | |
| With Cu2O In neat (no solvent) byproducts: HCl; reaction without influence of air via stirring NaCl with acetic acid in presence of Cu2O;; |
- 497-19-8
sodium carbonate
- 64-19-7
acetic acid
- 1310-73-2
sodium hydroxide
- 6131-90-4
sodium acetate trihydrate
| Conditions | Yield |
|---|---|
| In neat (no solvent) addition of solid NaOH to soln. of acetic acid and Na2CO3 yileds yellow crystalls;; via recrystallization;; | |
| In neat (no solvent) addition of solid NaOH to soln. of acetic acid and Na2CO3 yileds yellow crystalls;; via recrystallization;; |
| Conditions | Yield |
|---|---|
| react. of glacial acetic acid (distd. over CrO3, storage over Br2, distd. over KMnO4) and Na2CO3 ( several times recrystn. from soln. containing hypobromite);; fractionated crystn.; very pure product;; | |
| react. of glacial acetic acid (distd. over CrO3, storage over Br2, distd. over KMnO4) and Na2CO3 ( several times recrystn. from soln. containing hypobromite);; fractionated crystn.; very pure product;; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) byproducts: NH3; | |
| In neat (no solvent) byproducts: NH3; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) | |
| In neat (no solvent) |
| Conditions | Yield |
|---|---|
| In water byproducts: alcohol; saponification of CH3CO2C2H5 with solid NaOH in presence of H2O or in presence of NaCH3CO2*3H2O or its concd. soln.;; | |
| In water byproducts: alcohol; saponification of CH3CO2C2H5 with solid NaOH in presence of H2O or in presence of NaCH3CO2*3H2O or its concd. soln.;; |
- 67-56-1
methanol
- 201230-82-2
carbon monoxide
- 1310-73-2
sodium hydroxide
- 6131-90-4
sodium acetate trihydrate
| Conditions | Yield |
|---|---|
| In neat (no solvent) reaction of CH3OH with CO or CO containing gases at 200 to 300°C and small excess NaOH;; | |
| In neat (no solvent) reaction of CH3OH with CO or CO containing gases at 200 to 300°C and small excess NaOH;; | |
| In neat (no solvent) reaction of CH3OH with CO or CO containing gases at 200 to 300°C and small excess NaOH;; |
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Chemistry
Molecular Structure of Sodium acetate (CAS NO.6131-90-4):
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IUPAC Name: sodium acetate trihydrate
Empirical Formula: C2H9NaO5
Molecular Weight: 136.0796
H bond acceptors: 2
H bond donors: 1
Freely Rotating Bonds: 0
Polar Surface Area: 37.3Å2
Flash Point: 40 °C
Enthalpy of Vaporization: 23.7 kJ/mol
Boiling Point: 117.1 °C at 760 mmHg
Vapour Pressure: 13.9 mmHg at 25°
EINECS: 204-823-8
Storage temp: Store at RT.
Water Solubility: 762 g/L (20 ºC)
Merck: 14,8571
BRN: 3732037
Melting point: 58 °C
Stability: Stable. Incompatible with strong oxidizing agents, halogens.
Product Categories: Inorganic & organic chemicals; Inorganic Chemicals
InChI
InChI=1/C2H4O2.Na.3H2O/c1-2(3)4;;;;/h1H3,(H,3,4);;3*1H2/q;+1;;;/p-1
Smiles
C(C)(=O)[O-].O.O.O.[Na+]
Uses
In chrome tanning, Sodium acetate (CAS NO.6131-90-4) is used as a pickling agent.It is usually used to impede vulcanization of chloroprene in synthetic rubber production. Sodium acetate is also used to neutralize sulfuric acid waste streams in the textile industry, and as a photoresist while using aniline dyes. It is also a pickling agent in chrome tanning, and it helps to retard vulcanization of chloroprene in synthetic rubber production.
It may decrease the risk of a hangover when be added to alcoholic beverages and may be a seasoning when be added to foods.It may be used in the form of sodium diacetate — a 1:1 complex of sodium aceta
Sodium acetate can be used to form an ester with an alkyl halide such as bromoethane:
H3C-COO-Na+ + Br-CH2-CH3 → H3C-COO-CH2-CH3 + NaBr
In such a reaction, the Sodium acetate is usually complexed with caesium in order to increase the nucleophilicity of the carboxylate group.
Production
Sodium acetate (CAS NO.6131-90-4) is sometimes producted from the reaction of Acetic acid with sodium carbonate, sodium bicarbonate, or sodium hydroxide,which produces aqueous sodium acetate, and water.Carbon dioxide is produced in the reaction with sodium carbonate and bicarbonate, and it leaves the reaction vessel as a gas (unless the reaction vessel is pressurized).
CH3–COOH + Na+[HCO3]– → CH3–COO– Na+ + H2O + CO2
This is the well-known "volcano" reaction between baking soda and vinegar.84 grams of sodium bicarbonate (baking soda) react with 750 ml of 8% vinegar to make 82 g sodium acetate in water. By boiling off most of the water, one can refine either a concentrated solution of sodium acetate or crystals.
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
When Sodium acetate is heated to decomposition it will emit acrid smoke and irritating fumes.
Hazard Codes: 
Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 24/25-36-26
S24/25: Avoid contact with skin and eyes.
S36: Wear suitable protective clothing.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 1
RTECS: AJ4580000
HS Code: 29152200
Specification
Sodium acetate , with CAS number of 6131-90-4, can be called Natrium acetate-3-wasser ; Plasmafusin ; Sodium acetate trihydrate ; Thomaegelin ; Tutofusin . Sodium acetate , (also sodium ethanoate) is the Sodium salt of Acetic acid. It is an cheap chemical produced in industrial quantities for a wide range of uses. It is a white to colourless crystals or powder.