D-Alanine D-Ala CAS 338-69-2 White Powder
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D-Alanine D-Ala CAS 338-69-2 White Powder
D-Alanine (D-Ala) is a high-purity chiral amino acid with CAS 338-69-2, widely supplied for pharmaceutical synthesis, biochemical research, and industrial manufacturing. This organic compound features stable physical and chemical properties, supporting diverse industrial and biotech applications. MSDS download is available for technical verification and compliance inspection.
Product Aliases
Common aliases of D-Alanine include (2R)-2-aminopropanoic acid, D-2-Aminopropionic acid, and D-α-Alanine. It is the dextrorotatory enantiomer of Alanine, distinguished from L-Alanine and DL-Alanine in chiral structure and functional characteristics.
Basic Chemical Information
The molecular formula of D-Alanine is C₃H₇NO₂. As a typical organic chiral amino acid, it complies with REACH registration standards, ensuring full compliance with European market access requirements for imported chemical materials.
Product Specifications
|
Item |
Standard Specification |
|---|---|
|
Purity |
≥98.0% (HPLC) |
|
Appearance |
White crystalline powder |
|
Specific Rotation [α]20/D |
-13.0° ~ -15.0° (C=2, 6mol/L HCl) |
|
Loss on Drying |
≤0.5% |
|
Residue on Ignition |
≤0.1% |
Physical Properties & Traits
D-Alanine appears as white crystalline powder at room temperature. It is easily soluble in water, slightly soluble in ethanol, and insoluble in ether and other organic solvents. The compound owns stable chemical activity, with a melting point of 272-275°C and no peculiar odor. Its pure chiral structure ensures high stability in biochemical reactions and industrial formulation processes, making it a reliable raw material for precision manufacturing and scientific research.
FAQ
1. What is the main difference between D-Alanine and L-Alanine? D-Alanine is the R-type chiral enantiomer, while L-Alanine is the S-type enantiomer. They differ completely in biochemical activity and application scenarios. D-Alanine is mainly applied in pharmaceutical synthesis and microbial research, whereas L-Alanine is more commonly used in food and nutritional supplement fields.
2. Does D-Alanine support REACH compliance and MSDS download? This product has completed formal REACH registration, meeting EU chemical import and circulation standards. Standard MSDS download service is supported, providing complete safety and technical documents for customs clearance, factory inspection, and downstream production.
3. What storage conditions are required for D-Alanine powder? To maintain product stability, store D-Alanine in a dry, cool, and well-ventilated environment, avoiding direct sunlight and high humidity. Sealed storage can effectively prevent moisture absorption and ensure long-term stable purity.
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