Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
1. Basic Product Profile
- Full IUPAC Name: Calcium diformate
- Aliases: Calcium formate
- CAS Number: 544-17-2
- EINECS: 208-735-0
- Molecular Formula: Ca(CHO2)2
- Molecular Weight: 130.11
- Chemical Classification: Inorganic formate salt, feed additive, concrete early strength agent, leather tanning auxiliary
- Core Advantages
Low-toxicity organic calcium salt with dual functions of calcium supplementation and formic acid source. Promotes animal digestion and bone development when used in feed; accelerates cement hydration, improves early compressive strength of concrete, reduces construction curing time. Also applied as preservative, deacidification agent for leather and raw material for fine chemical synthesis, available in feed grade, industrial grade.
2. Physical & Chemical Properties
2.1 Physical Index
- Appearance: White crystalline powder
- Odor: Slight faint formic acid odor
- Solubility: Slightly soluble in cold water, soluble in hot water; insoluble in ethanol, acetone and hydrocarbon solvents
- Melting characteristic: Decomposes above 300°C without clear melting point
- Aqueous solution pH (10%): 6.0–8.0, nearly neutral
- Hygroscopy: Slightly hygroscopic under high humidity air
2.2 Chemical Properties
- Formate anion reactivity: Reacts with strong acids to release formic acid
- Thermal decomposition: Decomposes at high temperature into calcium carbonate, calcium oxide, carbon monoxide and hydrogen
- Acid & Alkali Stability: Stable in neutral and weak alkaline environment; reacts violently with concentrated strong acid
- Calcium ion characteristic: Can form insoluble precipitates with phosphate, carbonate ions
- Photostability: No discoloration under long-term light irradiation
- Compatibility: Compatible with cement raw materials, feed carriers; incompatible with strong acid substances and phosphate additives
3. Main Application Fields
3.1 Feed Industry (Core Usage)
Organic calcium supplement for piglets, poultry and aquatic feed; regulates intestinal pH value, inhibits harmful bacteria, improves feed digestibility and animal bone growth.
3.2 Building Material Additive
Concrete early strength agent, mold release agent for plasterboard; shortens curing period, enhances early strength, reduces freeze-thaw damage of construction mortar.
3.3 Leather Industry Auxiliary
Tanning deacidification agent, uniformizes leather pH value, improves leather softness and finished product texture.
3.4 Fine Chemical & Environmental Protection
Raw material for producing formic acid; sewage treatment agent to adjust water body pH and remove heavy metal ions.
4. Quality Specification Table
| Test Item | Standard Index |
| CAS No. | 544-17-2 |
| Molecular Formula | Ca(CHO2)2 |
| Molecular Weight | 130.11 |
| Appearance | White crystalline powder |
| Calcium Formate Assay | Feed Grade ≥98.0%; Industrial Grade ≥95.0% |
| Water Insoluble Matter | ≤0.20% |
| Moisture Content | ≤0.50% |
| Heavy Metals (Pb) | ≤10 ppm (Feed Grade) |
| Arsenic (As) | ≤3 ppm (Feed Grade) |
| Bulk Package | 25kg woven bag with PE inner liner |
| Sample Package | 1kg / 5kg sealed plastic bag |
| Storage Requirements | Hermetic dry warehouse ≤25℃; isolate humid air and strong acid raw materials |
| Transportation Rule | General inorganic formate salt; waterproof moisture-proof packaging required during transit |
| Shelf Life | 24 months under intact sealed packaging |
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