ChemicalBook > CAS DataBase List > D-Alanine
D-Alanine
- Product Name
- D-Alanine
- CAS No.
- 338-69-2
- Chemical Name
- D-Alanine
- Synonyms
- D-ALA;H-D-ALA-OH;(R)-2-aMinopropanoic acid;D-alaine;(R)-Alanine;D-ALPHA-ALANINE;D-AL;Canef;Cranoc;Vastin
- CBNumber
- CB7783360
- Molecular Formula
- C3H7NO2
- Formula Weight
- 89.09
- MOL File
- 338-69-2.mol
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D-Alanine Property
- Melting point:
- 291 °C (dec.)(lit.)
- alpha
- -14.5 º (c=10, 6N HCl)
- Boiling point:
- 212.9±23.0 °C(Predicted)
- Density
- 1.4310 (estimate)
- refractive index
- -14 ° (C=2, 6mol/L HCl)
- storage temp.
- Keep in dark place,Inert atmosphere,Room temperature
- solubility
- H2O: soluble
- form
- Crystalline Powder or Crystals
- pka
- 2.31±0.10(Predicted)
- color
- White to off-white
- Odor
- odorless
- Water Solubility
- 155 g/L (20 ºC)
- Merck
- 14,204
- BRN
- 1720249
- LogP
- -0.574 (est)
- CAS DataBase Reference
- 338-69-2(CAS DataBase Reference)
- NIST Chemistry Reference
- D-Alanine(338-69-2)
- EPA Substance Registry System
- D-Alanine (338-69-2)
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Safety
- Hazard Codes
- Xi
- Risk Statements
- 36/37/38
- Safety Statements
- 24/25-36-26
- WGK Germany
- 3
- TSCA
- Yes
- HazardClass
- IRRITANT
- HS Code
- 29224995
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P271Use only outdoors or in a well-ventilated area.
P280Wear protective gloves/protective clothing/eye protection/face protection.
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- A7377
- Product name
- D-Alanine
- Purity
- ≥98% (HPLC)
- Packaging
- 5g
- Price
- $55.2
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- A7377
- Product name
- D-Alanine
- Purity
- ≥98% (HPLC)
- Packaging
- 25g
- Price
- $190
- Updated
- 2024/03/01
TCI Chemical
- Product number
- A0177
- Product name
- D-Alanine
- Purity
- >98.0%(T)
- Packaging
- 5g
- Price
- $29
- Updated
- 2024/03/01
TCI Chemical
- Product number
- A0177
- Product name
- D-Alanine
- Purity
- >98.0%(T)
- Packaging
- 25g
- Price
- $82
- Updated
- 2024/03/01
Alfa Aesar
- Product number
- A10231
- Product name
- D-Alanine, 99%
- Packaging
- 5g
- Price
- $38.8
- Updated
- 2024/03/01
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D-Alanine Chemical Properties,Usage,Production
Chemical Properties
White Crystalline Powder
Uses
D-Alanine is essential for the biosynthesis of peptidoglycan crosslinking sub-units that are used for bacterial cell walls.
Definition
ChEBI: The D-enantiomer of alanine.
Application
D-Alanine is a LHRH-antagonists, e.g., Abarelix (antineoplas- tic)
General Description
Alanine is a non essential amino acid.
Biochem/physiol Actions
D-Alanine is the non-proteinogenic form of alanine which is used in bacterial cell wall biosynthesis. D-Alanine is used to study the specificity and kinetics of alanine racemase(s) (alaR).
Purification Methods
Crystallise alanine from H2O or aqueous EtOH, i.e. crystallise it from 25% EtOH in water, or recrystallise it from 62.5% EtOH, wash it with EtOH and dry it to constant weight in vacuo over P2O5. [Gutter & Kegeles J Am Chem Soc 75 3893 1953, Walsh J Biol Chem 264 2394 1989.] 2,2'-Iminodipropionic acid is a likely impurity. [Beilstein 4 IV 2480. 2481.]
D-Alanine Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from D-Alanine manufacturers
Hebei Duling International Trade Co. LTD
- Product
- D-Alanine 338-69-2
- Price
- US $60.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 100 tons
- Release date
- 2023-02-09
Shanghai UCHEM Inc.
- Product
- D-alanine 338-69-2
- Price
- US $70.00/kg
- Min. Order
- 1kg
- Purity
- 0.98
- Supply Ability
- 25kg
- Release date
- 2023-11-14
Hebei Yanxi Chemical Co., Ltd.
- Product
- D-Alanine 338-69-2
- Price
- US $60.00/KG
- Min. Order
- 25KG
- Purity
- 98%
- Supply Ability
- 200 tons
- Release date
- 2020-07-22
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