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China Amines Co
Product Profile
Betaine (Trimethylglycine, Inner Salt)
CAS No.: 107-43-7
Molecular Formula: C₅H₁₁NO₂
Molecular Weight: ~117.15 g/mol
Physicochemical Properties (Typical)
- Appearance: White crystalline powder / colorless crystals
- Odor: Essentially odorless / bland
- Melting / Decomposition Point: ~293 °C (decomposes)
- Boiling / Decomposition Behavior: Decomposes before boiling
- Density: ~1.00 g/cm³ (solid form)
- Refractive Index: ~1.4206 (estimate)
- Vapor Pressure: Very low (~0.05 Pa at 25 °C)
- Solubility: Highly soluble in water (≈160 g/100 mL), soluble in methanol; insoluble or poorly soluble in nonpolar solvents
- pH / Behavior in Aqueous Solution: Zwitterionic inner salt, neutral in aqueous solution
Purity & Quality Standards
- Purity: ≥98.0% (typical grade)
- Water / Moisture Content: ≤0.5%
- Impurity Limits: Minimal non-amine or ionic impurities, heavy metal limits (≤10 ppm)
- Analytical Methods: Verified by titration, ion chromatography, spectrometric methods
- Documentation: Certificate of Analysis (COA) and Safety Data Sheet (SDS) provided per batch
Safety & Handling
- Generally low hazard in solid form
- May cause slight irritation to eyes, respiratory tract under dust conditions
- Handle in ventilated areas; avoid inhalation of dust
- Wear protective gloves, goggles, and dust mask if needed
- Avoid strong oxidizing agents
Packaging & Storage
- Packaging: Sealed drums, HDPE / corrosion-resistant containers, or suitable packaging for powders
- Storage Conditions: Cool, dry, ventilated environment; avoid humidity (hygroscopic nature)
- Container Closure: Keep containers tightly closed to prevent moisture uptake
- Shelf Life: 12–24 months under recommended conditions
Contact Information
Company: China Amines
Email: info@chinaamines.com
COA, SDS and technical support available on request.