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Email:info@chinaamines.com
China Amines Co
Product Profile
Choline Chloride 50% Silica
CAS No.: 67-48-1
Nominal Concentration: 50% w/w choline chloride
Carrier / Matrix: Porous silica
Physicochemical Properties (Typical)
- Appearance: Off-white to pale yellow granular solid / powder
- Odor: Slight fishy / amine odor
- Solubility: Rapidly soluble in water; insoluble in nonpolar solvents
- pH (1% aqueous solution): ~6.5–8.0
- Moisture Absorption: Hygroscopic under high humidity
- Bulk Density: ≥0.6 g/mL
- Particle Size: ≥95% passing 20 mesh (≈ <600 µm)
- Loss on Drying: 14–16% typical
Purity & Quality Standards
- Choline Chloride Content: ≥50.0%
- Residual Free Trimethylamine (TMA): ≤300 ppm
- Heavy Metals (Pb, Cd, etc.): Within strict limits (e.g. Pb ≤10 ppm, Cd ≤1 ppm)
- Impurity Limits: Minimal non-amine contaminants
- Analytical Methods: Ion chromatography, titration, GC for volatile amines
- Documentation: Certificate of Analysis (COA) and Safety Data Sheet (SDS) provided per batch
Safety & Handling
- May cause irritation to eyes, skin, or respiratory tract upon dust exposure
- Handle in well-ventilated areas; wear gloves, safety glasses, and a dust mask
- Avoid generation of dust; avoid moisture exposure during handling
Packaging & Storage
- Packaging: Sealed moisture-resistant bags (e.g. 25 kg) or bulk containers
- Storage Conditions: Cool, dry, ventilated location, away from high humidity
- Container Closure: Keep containers tightly sealed to prevent moisture ingress
- Shelf Life: 12–24 months under proper storage conditions
Contact Information
Company: China Amines
Email: info@chinaamines.com
COA, SDS and technical support available on request.