Sodium Acetate

CAS No: 127-09-3
E No: E262
Einecs No : 204-823-8
HS Code : 29152200
Molecular Formula : C2H3NaO2
Molecular Weight : 82.034 g•mol

Brief Introduction


1.Sodium Acetate Description
2.Properties
3.Is sodium acetate organic?
4.What is sodium acetate used for ?
4.1) Used for metal
4.2) Used for flavouring agent
4.3) Used in rubber
4.4) Used in plating

Sodium Acetate


Sodium Acetate is an organic substance . Its molecular formula is CH3COONa with a relative molecular mass of 82.03. As colorless transparent crystal or white particles, it will lose crystal water at 120℃, and decompose when the temperature is higher. It is easliy soluble in water and the relative density is 1.45, the melting point is 324℃.
Cas Number :6131-90-4
Sodium Acetate Formula: CH3COONa
Structure

Sodium Acetate structure
Sodium Acetate

Properties
Solubility: Sodium acetate is soluble in water, hardly soluble in organic solvents, and its aqueous solution is alkaline.

Molar Mass:Sodium Acetate Molar mass 82.0343 g/mol
PH:Sodium Acetate PH>7

Sodium Acetate Specification in A.M FOODCHEM


Specification of technical Grade:

Item Trihydrate Sodium Acetate Anhydrous Sodium Acetate
Content 58%-60% min 98%-99% min
Water Iinsoluble 0.05% max 0.04% max
Free Alkaline 0.05% max 0.03% max
Iron(Fe) 0.003% max /
Moisture 1.5% max /
PH Value 7.0-9.0 /
Chlorie(Cl) / 0.08% max
Ferrium(Fe) / 0.006% max

Specification of edible Grade:

Item Crystal Sodium Acetate Anhydrous Sodium Acetate
Content 99%-101% 99%-101%
Free Alkali 0.12% max 0.2% max
Kali Salt 0.01% max 0.025% max
Heavy Metal( Base on Pb) 0.0005% max 0.001% max
Arsenic Salt 0.0001% max 0.0003% max
Free Water 1% max 2% max

Is Sodium Acetate Organic?


Earlier, all the known organic substances were obtained from organisms such as animals and plants, so these compounds were called organic substances. By the 1820s, scientists used inorganic substances to artificially synthesize many organic substances, such as urea CO (NH2) 2, acetic acid CH3COOH, fat, etc., thereby breaking the concept that organic substances can only be obtained from organisms.

The German chemist Friedrich Wohler used the inorganic ammonium cyanate to synthesize an organic substance-urea {CO(NH2)2} in 1828.But this important discovery was not immediately recognized by other chemists, because cyanide Ammonium acid has not been prepared with inorganic substances. It was not until H. Kolbe synthesized acetic acid (CH3COOH) in 1844 and M. Berthelot synthesized oils and fats in 1854 that organic chemistry entered the era of synthesis, and a large number of organic substances have been synthesized by artificial methods .

The development of artificial synthetic organic matter makes people clearly realize that there is no clear boundary between organic matter and inorganic matter, but there are some differences in their composition and properties. In terms of composition, all organic matter contains carbon, most of which contain hydrogen, followed by oxygen, nitrogen, halogen, sulfur, phosphorus, etc. Therefore, chemists began to define organic matter as carbon-containing compounds.

So sodium acetate is organic. Organic matter refers to “carbon-containing compounds”, but CO, CO2, H2CO3, and carbonates should be removed. In other words, all other carbon-containing compounds are organic except for CO, CO2, H2CO3, and carbonate, .But be aware that not all organics are covalent compounds. Such as “ferrocene” and so on.

What Is Sodium Acetate Used For ?


1. Ussed for determination of lead, zinc, aluminum, iron, cobalt, antimony, nickel and tin. Auxiliary agent for acetylation Auxiliary agent, buffer, desiccant, and mordant.
2. Used as pH adjusting agent ,flavoring agent and also buffering agent . It can prevent bad odor and discoloration which could improve flavor of food as a buffering agent. It also can be used as a sour agent for food besides the anti-mildew effect.
3.Used as a scorch retarder for sulfur-regulated neoprene coking, and also as a crosslinking agent for animal glue.
4.Used for the addition of alkaline electroplating tin, while it is not a necessary ingredient because it has no obvious effect on coating and electroplating process

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