White Crystalline Powder D-Alanine CAS 338-69-2

Product Description:

Product Name: D-Alanine CAS NO: 338-69-2

Synonyms:

Alanine D-form;

H-D-Abu-OH;

D-2-Aminopropionic acid;

Chemical & Physical Properties:

Appearance: White crystalline powder

Assay :≥99.0%

Density: 1.161g/cm3

Boiling Point: 212.9℃ at 760mmHg

Melting Point: 278-282℃

Flash Point: 82.6℃

Water Solubility: 155 g/L (20℃)

Stability: Stable under normal temperatures and pressures

Storage Condition: Store at RT.

Vapor Pressure: 0.1±0.9 mmHg at 25℃

Index of Refraction: 1.460

Safety Information:

Hazard Code: Xi

HS Code: 2922499990

WGK Germany: 3

Risk Statements: R36/37/38

Safety Statements: S24/25

Alanine (abbreviated as Ala or A; encoded by the codons GCU, GCC, GCA, and GCG) is an α-amino acid that is used in the biosynthesis of proteins. It contains an α-amino group (which is in the protonated −NH3+ form under biological conditions), an α-carboxylic acid group (which is in the deprotonated −COO− form under biological conditions), and a side chain methyl group, classifying it as a nonpolar (at physiological pH), aliphatic amino acid. It is non-essential in humans, meaning the body can synthesize it.

The L-isomer (left-handed) of alanine is one of the 20 amino acids encoded by the human genetic code. L-Alanine is second only to leucine in rate of occurrence, accounting for 7.8% of the primary structure in a sample of 1,150 proteins. The right-handed form, D-Alanine occurs in bacterial cell walls and in some peptide antibiotics.

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