What is Ammonium Formate?

Ammonium Formate (CAS 540-69-2) is an inorganic compound with the molecular formula CH₅НЕТ₂ and a molar mass of 63.06 g/mol. It appears as colorless crystals with a white appearance and a slight formic acid odor. This compound is highly soluble in water, ethanol, and ammonia solutions, making it versatile for various industrial applications.

Ammonium formate is produced through the neutralization of formic acid with ammonia, followed by crystallization. The process involves cooling the solution to approximately -5°C and adjusting the pH to 7-7.5 to obtain the pure compound.

What Are the Key Properties of Ammonium Formate?

Физические свойства

• Внешний вид: Colorless or white crystals
• Molecular Weight: 63.06 g/mol
• Плотность: 1.26 g/mL at 25°C
• Температура плавления: 119-121°C
• Температура кипения: 103.28°C
• Температура вспышки: 104°C
• Solubility in Water: Excellent (102g/0°C; 143g/20°C; 204g/40°C; 311g/60°C; 533g/80°C)
• pH: 6.45-6.53 (aqueous solutions)
• Hygroscopic: Yes, absorbs moisture from air
• Показатель преломления: 1.4164

Химические свойства

• Chemical Formula: CH₅НЕТ₂
• EINECS: 208-753-9
• InChI: InChI=1/CH2O2.H3N/c2-1-3;/h1H,(H,2,3);1H3
• InChIKey: VZTDIZULWFCMLS-UHFFFAOYSA-N
• Стабильность: Stable under normal conditions; incompatible with strong acids and strong oxidizing agents

What Are the Applications and Uses of Ammonium Formate?

Analytical Chemistry

Ammonium formate serves as an analytical reagent in various laboratory applications. It is commonly used as a pH indicator with a color change range of pH 6-7, making it valuable for analytical titration procedures.

Metal Precipitation

One of the critical applications of ammonium formate is its ability to precipitate alkali metals from precious metal salts. This property makes it essential in:

• Precious metal refining processes
• Analytical chemistry for metal separation
• Quality control laboratories

Органический синтез

In organic chemistry, ammonium formate functions as a:

• Фармацевтический промежуточный продукт
• Reducing agent in certain reactions
• Source of ammonia in synthesis
• Building block for various organic compounds

Electronics Industry

The compound is extensively used in the electrolytic and capacitor industries, where it plays a crucial role in:

• Electrolyte preparation
• Capacitor manufacturing processes
• Electronic component production

Pharmaceutical Applications

Ammonium formate is utilized in pharmaceutical manufacturing as an intermediate for synthesizing various drug compounds and active pharmaceutical ingredients (APIs).

Safety and Handling Considerations

Hazard Classification

• Hazard Symbols: Xi (Irritant)
• Risk Codes: 36/37/38 – Irritating to eyes, respiratory system, and skin

Меры предосторожности

• S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
• S36: Wear suitable protective clothing
• S37/39: Wear suitable gloves and eye/face protection
• Avoid inhalation of dust or mist
• Use in well-ventilated areas
• Wear appropriate personal protective equipment (PPE)

Toxicity Data

• LD50 (oral, mouse): 2250 mg/kg
• LD50 (intravenous, mouse): 410 mg/kg
• Classification: Low to moderate acute toxicity

Storage Requirements

• Store in a cool, dry, well-ventilated area
• Keep container tightly closed
• Store under inert atmosphere
• Protect from moisture (hygroscopic)
• Avoid exposure to strong acids and oxidizing agents

Fire Hazards

• Flammable compound
• High temperatures may produce toxic nitrogen oxides and ammonia smoke
• Use dry powder, foam, sand, carbon dioxide, or mist water for fire extinguishing

Why Choose Our Ammonium Formate?

When sourcing Ammonium Formate for your industrial or research needs, our company offers:

• High Purity Grade: Our Ammonium Formate meets analytical reagent specifications
• Consistent Quality: Batch-to-batch consistency with rigorous quality control
• Competitive Pricing: Factory-direct pricing from China manufacturer
• Reliable Supply: Stable production capacity to meet bulk orders
• Technical Support: Technical data sheets and safety information provided
• Global Shipping: Efficient logistics to worldwide destinations

We are a trusted chemical manufacturer with years of experience in producing high-quality chemical compounds for pharmaceutical, analytical, and industrial applications.

Frequently Asked Questions

What is the CAS number of Ammonium Formate?

The CAS number of Ammonium Formate is 540-69-2.

Is Ammonium Formate dangerous to handle?

Ammonium Formate is classified as an irritant (Xi). It can irritate the eyes, respiratory system, and skin. Proper PPE including gloves, goggles, and lab coat should be worn when handling. Ensure adequate ventilation in the workspace.

What is the solubility of Ammonium Formate in water?

Ammonium Formate is highly soluble in water. Solubility increases with temperature: approximately 102g per 100ml at 0°C, 143g at 20°C, 204g at 40°C, 311g at 60°C, and 533g at 80°C.

What industries use Ammonium Formate?

Ammonium Formate is used across multiple industries including: pharmaceutical manufacturing, analytical chemistry, electronics (capacitor industry), metal refining, and organic synthesis research.

How should Ammonium Formate be stored?

Store Ammonium Formate in a cool, dry, well-ventilated area in tightly sealed containers. It should be protected from moisture as it is hygroscopic. Keep away from strong acids and oxidizing agents.

What is the pH of Ammonium Formate solutions?

Ammonium Formate forms slightly acidic solutions with a pH range of 6.45-6.53 depending on concentration (1mM to 1000mM solutions).

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