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Sodium acetate trihydrate

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Sodium acetate trihydrate

EINECS 204-823-8
CAS No. 6131-90-4 Density 1,45 g/cm3
Solubility 762 g/L (20 °C) in water Melting Point 58 °C
Formula C2H3NaO2.3(H2O) Boiling Point 117.1 °C at 760 mmHg
Molecular Weight 136.08 Flash Point 40 °C
Transport Information Appearance white to colourless crystals or powder
Safety 24/25-36-26 Risk Codes 36/37/38
Molecular Structure Molecular Structure of 6131-90-4 (Sodium acetate trihydrate) Hazard Symbols IrritantXi
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;

 

Sodium acetate trihydrate Chemical Properties

Molecular Structure of Sodium acetate (CAS NO.6131-90-4):

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+]

Sodium acetate trihydrate 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.

Sodium acetate trihydrate 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.

Sodium acetate trihydrate Consensus Reports

Reported in EPA TSCA Inventory.

Sodium acetate trihydrate Safety Profile

When Sodium acetate is heated to decomposition it will emit acrid smoke and irritating fumes.
Hazard Codes: IrritantXi
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

Sodium acetate trihydrate 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.

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