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Sodium Formate

IUPAC Name

:   Sodium Methanoate

Cas Number

:   141-53-7

HS Code

:   2915.12.00

Formula

:  

HCOONa
Basic Info

Appearance Name

:   White Powder

Common Names

:   Sodium formate

Packaging

:   25 Kgs Net PP Woven Bags, 1200 Kgs Net PP Jumbo Bags
Industry

Leather Chemicals
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Technical Document

Brief Overview

Sodium formate HCOONa, also known as sodium methanoate, is the sodium salt of formic acid. It is a white, water-soluble crystalline powder with hygroscopic properties. Sodium formate is widely used in various industries, including leather tanning, oil drilling, de-icing, and as a reducing agent in chemical processes. In the leather industry, it is commonly used to reduce hexavalent chromium (Cr⁶⁺) to trivalent chromium (Cr³⁺), making it safer for environmental discharge.  

 

Manufacturing Process

Method 1: Reaction of Formic Acid with Sodium Hydroxide  
Sodium formate is typically produced by neutralizing formic acid (HCOOH) with sodium hydroxide (NaOH) or sodium carbonate (Na₂CO₃):  

HCOOH + NaOH → HCOONa + H₂O

HCOOH + Na₂CO₃ → 2HCOONa + CO₂ + H₂O

This method results in high-purity sodium formate and is widely used in commercial production.  

Method 2: By-Product of Pentaerythritol Production*
Sodium formate is also obtained as a by-product in the manufacturing of pentaerythritol,  a key ingredient in alkyd resins and explosives. The process involves reacting formaldehyde with sodium hydroxid in the presence of excess methanol, yielding sodium formate as a secondary product.  

Brief Overview

Sodium formate HCOONa, also known as sodium methanoate, is the sodium salt of formic acid. It is a white, water-soluble crystalline powder with hygroscopic properties. Sodium formate is widely used in various industries, including leather tanning, oil drilling, de-icing, and as a reducing agent in chemical processes. In the leather industry, it is commonly used to reduce hexavalent chromium (Cr⁶⁺) to trivalent chromium (Cr³⁺), making it safer for environmental discharge.  

 

Manufacturing Process

Method 1: Reaction of Formic Acid with Sodium Hydroxide  
Sodium formate is typically produced by neutralizing formic acid (HCOOH) with sodium hydroxide (NaOH) or sodium carbonate (Na₂CO₃):  

HCOOH + NaOH → HCOONa + H₂O

HCOOH + Na₂CO₃ → 2HCOONa + CO₂ + H₂O

This method results in high-purity sodium formate and is widely used in commercial production.  

Method 2: By-Product of Pentaerythritol Production*
Sodium formate is also obtained as a by-product in the manufacturing of pentaerythritol,  a key ingredient in alkyd resins and explosives. The process involves reacting formaldehyde with sodium hydroxid in the presence of excess methanol, yielding sodium formate as a secondary product.  

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