(-)-2-Aminobuttersure
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- CAS-Nr.
- 1492-24-6
- Bezeichnung:
- (-)-2-Aminobuttersure
- Englisch Name:
- L(+)-2-Aminobutyric acid
- Synonyma:
- AMINOBUTYRIC ACID;L-2-AMINOBUTYRIC ACID;2-AMINOBUTANOIC ACID;L-ABU;H-ABU-OH;L-ALPHA-AMINOBUTYRIC ACID;L-2-AMINOBUTANOIC ACID;L-2-Abu;L-ABU-OH;Z-&gamma
- CBNumber:
- CB3741533
- Summenformel:
- C4H9NO2
- Molgewicht:
- 103.12
- MOL-Datei:
- 1492-24-6.mol
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(-)-2-Aminobuttersure Eigenschaften
- Schmelzpunkt:
- 300 °C
- Siedepunkt:
- 215.2±23.0 °C(Predicted)
- alpha
- 21.6 º (c=2, 5N HCl)
- Dichte
- 1.2300 (estimate)
- Brechungsindex
- 1.4650 (estimate)
- storage temp.
- room temp
- L?slichkeit
- 22.7 g/100 mL (22°C)
- pka
- 2.29(at 25℃)
- Aggregatzustand
- Crystalline Powder
- Farbe
- White to beige
- Biologische Quelle
- Porcine kidney
microbial
plant
- Wasserl?slichkeit
- 22.7 g/100 mL (22 ºC)
- Merck
- 14,428
- BRN
- 1720935
- InChIKey
- QWCKQJZIFLGMSD-VKHMYHEASA-N
- CAS Datenbank
- 1492-24-6(CAS DataBase Reference)
- NIST chemische Informationen
- (l)-2-Aminobutanoic acid(1492-24-6)
- EPA chemische Informationen
- Butanoic acid, 2-amino-, (2S)- (1492-24-6)
Sicherheit
- Risiko- und Sicherheitserkl?rung
- Gefahreninformationscode (GHS)
| Kennzeichnung gef?hrlicher |
Xi |
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| R-S?tze: |
43 |
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| S-S?tze: |
36/37 |
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| WGK Germany |
3 |
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| Hazard Note |
Irritant |
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| TSCA |
Yes |
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| HS Code |
29224999 |
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| Bildanzeige (GHS) |
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| Alarmwort |
Warnung |
| Gefahrenhinweise |
| Code |
Gefahrenhinweise |
Gefahrenklasse |
Abteilung |
Alarmwort |
Symbol |
P-Code |
| H317 |
Kann allergische Hautreaktionen verursachen. |
Sensibilisierung der Haut |
Kategorie 1A |
Warnung |
![GHS hazard pictograms]() src="/GHS07.jpg" width="20" height="20" /> |
P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 |
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| Sicherheit |
| P280 |
Schutzhandschuhe/Schutzkleidung/Augenschutz tragen. |
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(-)-2-Aminobuttersure Chemische Eigenschaften,Einsatz,Produktion Methoden
R-S?tze Betriebsanweisung:
R43:Sensibilisierung durch Hautkontakt m?glich.
S-S?tze Betriebsanweisung:
S36/37:Bei der Arbeit geeignete Schutzhandschuhe und Schutzkleidung tragen.
Chemische Eigenschaften
White Crystalline Solid
Definition
ChEBI: An optically active form of alpha-aminobutyric acid having L-configuration.
Allgemeine Beschreibung
L-2-Aminobutyric acid is synthesized from L-threonine and L-aspartic acid through a ?-transamination reaction. It is an L-alanine analogue with an ethyl side chain.
Synthese
The preparation of l-2-aminobutyric acid (l-ABA) is mainly achieved by chemical synthesis or enzymatic conversion. In chemical methods, synthesis of l-ABA has been extensively reported, including ammonolysis of α-halogen acid, reduction reaction, ammoniation hydrolysis reaction and butanone acid reduction. However, the obvious disadvantages of chemical synthesis, such as poor selectivity, harsh reaction conditions, various byproducts, and the difficulty in separation and purification, limited its development. It is reported that l-ABA was synthesized in a transamination reaction from α-ketobutyric acid and l-aspartic acid as substrates using aromatic aminotransferase or produced from α-ketobutyric acid and benzylamine using ω-aminotransferase. l-ABA could also be produced from the reduction of α-keto acids with l-leucine dehydrogenase or glutamate dehydrogenase[1].
l?uterung methode
Crystallise butyrine from aqueous EtOH, and the melting point depends on heating rate but has m 303o in a sealed tube. [Greenstein & Winitz The Chemistry of the Amino Acids J. Wiley, Vol 3 p 2399 IR: 2401 1961, Beilstein 4 III 1294, 4 IV 2584.]
(-)-2-Aminobuttersure Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
(-)-2-Aminobuttersure Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.
Global( 657)Lieferanten
1492-24-6((-)-2-Aminobuttersure)Verwandte Suche:
- L-2-AMINO-N-BUTYRIC ACID
- L-(+)-2-AMINOBUTYRIC ACID
- L-ALPHA-AMINO-N-BUTYRIC ACID
- H-ABU(ALPHA)-OH
- H-ABU(2)-OH
- H-2-ABU-OH
- 2-AMINO-BUTYRIC ACID
- (S)-(+)-2-AMINO-N-BUTYRIC ACID
- (S) 2-AMINOBUTYRIC ACID
- (S)-(+)-2-AMINOBUTYRIC ACID
- (S)-(+)-2-Aminobutyric acid; (S)-(+)-2-Aminobutyric acid; 2-Aminobutanoic acid;L(+)-2-Aminobutyric acid
- H-L-NHCH(CH2CH3)-COOH
- H-L-ABU-OH
- (S)-(+)-α-aminobutyricacid
- L-A-AMINO-N-BUTYRIC ACID CELL CULTURETES TED
- L-A-AMINO-N-BUTYRIC ACID SIGMA GRADECRYS TALLINE
- (2S)-2-Aminobutanoic Acid
- (S)-(+)-a-2-Aminobutyric Acid
- L-a-2-Aminobutyric Acid
- L-Ethylglycine
- LH-L-ABU-OH
- L-(+)-2-Aminobutyric
- L-2-Abu-OH
- L-ABU-OH
- L-2-AMINOBUTYRIC ACID >= 99% (TITRAT
- L-α-Aminobutyric acid≥ 99% (Titration)
- L-α-Aminobutyric acid
L(+)-2-Aminobutyric acid
(S)-(+)-2-Aminobutyric acid
2-Aminobutanoic acid
H-Abu-OH
- (S)-2-aminobutanoicacid
- (s)-butanoicaci
- Butanoic acid, 2-amino-, (S)-
- butanoicacid,2-amino-,(S)-(+)-
- Butyric acid, 2-amino-, L-
- L-alpha-Aminobutyrate
- L-Butyrine
- L-α-aminobutyricacid
- S-butyrine
- H-Abu-OH (L-2-Aminobutyric acid
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L-a-Amino-butyric acid (S)-(+)-2-Aminobutyric acid)
- L-(+)-2-Aminobutyric acid, 98+%
- L-α-Amino-butyric acid, L-2-Aminobutyric acid
- H-Abu-OH (L-2-Aminobutyric acid:
L-a-Amino-butyric acid: (S)-(+)-2-Aminobutyric acid)
- H-Abu-OH (L-2-Aminobutyric acid:
L-a-Amino-butyric ac:: (S)-(+)-2-Aminobutyric acid)
- H-L-2-Abu-OH
- L-2-Aminobutyric acid,L-α-Aminobutyric acid
- 2-Aminobutanoic acid, TECH
- (2S)-2-Aminobutyric acid, L-2-Aminobutyric acid
- (S)-2-AMinobutanoic Acid, 97+%
- L-2-Aminobutyric aCld
- Butanoic acid, 2-amino-, (2S)-
- NSC 97060
- L(+)-2-AMinobutyric acid, 98% 1GR
- D-α-aMino-n-butyric acid
- L-2-AMinobutyric acid, (S)-(+)-2-AMinobutyric acid
- (2S)-2-Aminobutyric acid, L-Aminobutyric acid
- L-2-AMinobrtyric acid
- L-Amino butanoic acid
- Levetiracetam Impurity I
- L-2-Abu
