Solid Sodium Formate

Product Features

High purity and stability
Solid sodium formate has a purity of more than 98%, a stable structure, is not easy to absorb moisture, and can be stored for more than 12 months at room temperature.

Rapid dissolution efficiency
The product has a uniform particle size, with an average particle size of 0.5-2mm, and completely dissolves in water within 3 minutes.

Environmental protection
Solid sodium formate is halogen-free and low-toxic. The main product after decomposition is harmless substances, and there is no secondary pollution to the environment.

Basic properties

Chemical formula and molecular weight: The chemical formula of sodium formate is HCOONA, and the molecular weight is 68.007. When the crystal contains two crystal waters, it is also called sodium formate dihydrate or sodium formate hydrate.

Appearance: Sodium formate is white crystals or powder with a slight smell of formic acid.

Physical constants:

Melting point: ≥253°C

Boiling point: 360°C

Density: 1.92g/cm³

Solubility: Sodium formate is easily soluble in about 1.3 parts of water and glycerol, slightly soluble in ethanol and octanol, and insoluble in ether. Its aqueous solution is alkaline.

Stability: Sodium formate decomposes into hydrogen and sodium oxalate when heated, and then produces sodium carbonate.

Preparation method

1). Carbon monoxide sodium hydroxide synthesis method: This is a commonly used method in industry. Specifically, carbon monoxide reacts with sodium hydroxide solution at 160~200°C and 2MPa pressure to produce sodium formate, which is then acidified with sulfuric acid and distilled to obtain the finished formic acid.

2). Carbon monoxide synthesis method in calcium carbide tail gas or yellow phosphorus tail gas: Sodium formate is synthesized by a specific chemical reaction using carbon monoxide in these industrial tail gases as raw materials.

3). Coke gasification synthesis method: Sodium formate is synthesized by a specific chemical reaction using the product after coke gasification as raw materials.

4). Carbon monoxide production method in synthetic ammonia raw gas: Sodium formate is prepared by a chemical reaction using carbon monoxide in synthetic ammonia raw gas as raw materials.

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