Basic information
- Name:
D-Alanine
- CAS No.:
338-69-2
- Molecular Structure:
- Formula:
- C3H7NO2
- Molecular Weight:
- 89.09
- Synonyms:
- D-alpha-Aminopropionsaeure;Ba 2776;D-alpha-alanine;(R)-2-Aminopropionsaeure;D-alpha-aminopropionic acid;D(-)-Alanine;H-D-Ala-OH;Alanine D-;D-Ala;D-Ala-OH;D-Alanine;D(-)-.alpha.-Alanine;(2R)-2-aminopropanoic acid;D-.alpha.-Alanine;Alanine, D-;(R)-2-aminopropanoic acid;D-Alanin;(R)-Alanine;D-2-Aminopropionic acid;Alanine D-form;D-(-)-Alanine;
- EINECS:
- 206-418-1
- Density:
- 1.161g/cm3
- Melting Point:
- 291 °C (dec.)(lit.)
- Boiling Point:
- 212.9 °C at 760 mmHg
- Flash Point:
- 82.6 °C
- Solubility:
- 155 g/L (20 °C) in water
- Appearance:
- White crystalline powder
- Hazard Symbols:
Xi- Risk Codes:
- 36/37/38
- Safety Description:
- 24/25-36-26 Details
- particular:
- particular
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Chemistry
Molecular Structure:
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Molecular Formula: C3H7NO2
Molecular Weight: 89.0932
IUPAC Name: (2R)-2-Aminopropanoic acid
Synonyms of D-Alanine (CAS NO.338-69-2): Alanine D-form ; (R)-2-Aminopropionsaeure ; (R)-Alanine ; Alanine, D- ; Ba 2776 ; D-alpha-Aminopropionsaeure ; EINECS 206-418-1 ; NSC 158286
CAS NO: 338-69-2
Classification Code: Amino Acids Derivatives ; Amino ACIDS SERIES ; Amino Acids ; PROTECTED AMINO ACID & PEPTIDES ; Alanine [Ala, A] ; Amino Acids and Derivatives ; alpha-Amino Acids ; Biochemistry ; Amino Acids and Derivatives ; GABA/Glycine receptor ; alanine ; amino acid ; organic acids ; pharmaceutical intermediate
Melting Point: 291 °C
Index of Refraction: 1.459
Molar Refractivity: 21 cm3
Molar Volume: 76.7 cm3
Surface Tension: 45.8 dyne/cm
Density: 1.161 g/cm3
Flash Point: 82.6 °C
Enthalpy of Vaporization: 49.5 kJ/mol
Boiling Point: 212.9 °C at 760 mmHg
Vapour Pressure: 0.0661 mmHg at 25°C
Uses
D-Alanine (CAS NO.338-69-2) can be used for synthesis of new sweetener and materials of some chiral drugs' intermediates.
Safety Profile
Hazard Codes of D-Alanine (CAS NO.338-69-2): 
Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 24/25-36-26
S24/25: Avoid contact with skin and eyes.
S36: Wear suitable protective clothing.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 3
HazardClass: IRRITANT