L-Alanine supplier | CasNO.56-41-7

Name
L-alpha-Alanine
EINECS 200-273-8
CAS No. 56-41-7
Article Data542
CAS DataBase
Density 1.161 g/cm³
Solubility 166.5 g/L (25 °C) in water
Melting Point 314.5 °C (dec.)(lit.)
Formula C₃H₇NO₂
Boiling Point 212.9 °C at 760 mmHg
Molecular Weight 89.0941
Flash Point 82.6 °C
Transport Information
Appearance White crystalline powder
Safety 24/25-36-26
Risk Codes 36/37/38
Molecular Structure
Hazard Symbols Xi
Synonyms L-.alpha.-Alanine;alpha-Alanine;Alanine (USP);2-Aminopropanoic acid, L-;L-alpha-alanine;Propanoic acid, 2-amino-, (S);L-2-Aminopropionsaeure;(S)-alpha-Aminopropionsaeure;L- Alanine;L-2-Aminopropionic acid;L-Alanine (JAN);Propanoic acid, 2-amino-;Alanine, L-;2-aminopropanoic acid;L(+)-Alanine;(2S)-2-azaniumylpropanoate;L-Alanin;2-Aminopropionic acid;.alpha.-Alanine;Alanine, L- (7CI,8CI);L-Alanine (9CI);(S)-alanine;Ala;H-Ala-OH;(s)-2-Amino propionic acid;L-Alanine (L-Ala);L - Alanine;
PSA 63.32000
LogP 0.11850

Synthetic route

: 77340-50-2
N-carbamoyl-DL-alanine

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With NH4Cl-NH4OH buffer pH 8.5; nickel dichloride at 60℃; for 24h; N-carbamyl-L-amino acid aminohydrolase;	100%
With sodium phosphate buffer; N-carmamyl-L-amino acid aminohydrolase of Pseudomonas sp. strain NS671; water; manganese(II) at 30℃; for 0.5h; Product distribution;	18.1 mmol

: 15761-38-3
L-N-Boc-Ala

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With water at 170℃; for 0.05h; Microwave irradiation;	100%
With water at 150℃; for 2h; Subcritical conditions;	100%
With tetradecyl(trihexyl)phosphonium bistriflamide; trifluoroacetic acid at 130℃; for 0.116667h; Ionic liquid;	98%

: 113-24-6
sodium pyruvate

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With sodium formate; ammonium chloride; NADH In aq. phosphate buffer at 25℃; for 6h; pH=8.0; Kinetics; Reagent/catalyst; Green chemistry; Enzymatic reaction;	100%
With zinc(II) perchlorate; (R)-15-amino-methyl-14-hydroxy-5,5-dimethyl-2,8-dithia<9>(2,5)pyridinophane In methanol for 24h; Ambient temperature;	72%

: 220930-89-2
Proc-Ala-OH

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With resin bound tetrathiomolybdate In methanol at 28℃; for 1.5h; ultrasonic bath;	100%

: 16480-55-0, 18463-04-2, 23338-69-4, 32342-58-8
sodium L-alaninate

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With hydrogenchloride pH=6.5; pH-value;	100%

: 28875-17-4
(S)-N-(tert-butoxycarbonyl)alanine methyl ester

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With water at 100℃; for 4h;	99%

: 1256490-52-4
(S)-2-[(2,3,4,5,6-pentafluorophenoxy)phenoxyphosphorylamino]propionic acid isopropyl ester

A: 56-41-7
L-alanin

B: 771-61-9
2,3,4,5,6-pentafluorophenol

C: 108-95-2
phenol

Conditions

Conditions	Yield
With sodium hydroxide In methanol; water at 25 - 60℃; for 4h; Reagent/catalyst; Temperature; Solvent;	A 94.2% B 95.7% C 98.2%

...Expand

: 108437-91-8
(2S,5S)-N-<(S)-N-bis(methylthio)methylenealanyl>-2,5-bis(methoxymethoxymethyl)pyrrolidine

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With hydrogenchloride for 4h; Heating;	97%

: 52-90-4
L-Cysteine

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With [4,4’-bis(1,1-dimethylethyl)-2,2’-bipyridine-N1,N1‘]bis [3,5-difluoro-2-[5-(trifluoromethyl)-2-pyridinyl-N]phenyl-C]iridium(III) hexafluorophosphate; triethyl phosphite In aq. phosphate buffer; acetonitrile at 20℃; for 0.5h; pH=6.5; Catalytic behavior; Solvent; Reagent/catalyst; Irradiation;	96%
With tris(2,2'-bipyridyl)ruthenium dichloride; trisodium tris(3-sulfophenyl)phosphine In water at 20℃; for 16h; Inert atmosphere; Irradiation;	84%
With triethyl borane; triethyl phosphite 1.) THF, CH3CN, RT, 90 min, 2.) THF, CH3CN, RT, irradiation, 6.5 h; Multistep reaction;
With nickel In water at 60℃; for 0.5h; Product distribution; desulfurization;

: 302-72-7
rac-Ala-OH

: 56-41-7
L-alanin

Conditions

Conditions	Yield
In water at 37℃; for 10h; NADH, ammonium chloride, sodium formate, D-amino acid oxidase, catalase, leucine dehydrogenase, formate dehydrogenase, Tris-HCl buffer, pH 8.5;	95%
optische Spaltung;
With D-amino acid oxide ase-substance

: 1142-20-7
N-Cbz-Ala

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With hydrogen; K3[Co(CN)5] In methanol at 20℃; for 3h;	94%
With hydrogen; hydroxyapatite-bound Pd In methanol at 40℃; under 760 Torr; for 1.5h; Product distribution; Further Variations:; Catalysts;	92%
at 35℃; for 0.0833333h; Rate constant; pH 6.0; amino acid urethane hydrolase from Streptococcus faecalis;

Boc-Ala-Merrifield resin: Boc-Ala-Merrifield resin

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With dimethyl ether-poly(hydrogen fluoride) at 0℃; for 1h;	94%

: 17831-01-5
H-Ala-OBzl

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With hydrogen; K3[Co(CN)5] In methanol at 20℃; for 3h;	92%
at 25℃; for 0.833333h; enzyme alcalase from Bacillus licheniforms; pH 8.2;
With E. coli BL21 Star (DE3) S30 extract In aq. buffer at 37℃; for 6h; pH=7.5;

: C3H7NO2*H3N*ClH

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With ruthenium nanoparticles dispersed in a polyvinylpyrrolidone matrix; amberlyst A-21 In methanol; dichloromethane	92%

: 111-26-2
hexan-1-amine

: 78641-65-3
(S)-2-(3,5-Dinitro-4-oxo-4H-pyridin-1-yl)-propionic acid

A: 56-41-7
L-alanin

B: 74197-48-1
1-hexyl-3,5-dinitro-4-pyridone

Conditions

Conditions	Yield
In pyridine for 1.5h; Product distribution;	A 91.7% B n/a

...Expand

: 127-17-3
2-oxo-propionic acid

A: 56-41-7
L-alanin

B: 338-69-2
D-Alanine

Conditions

Conditions	Yield
With CC10H14NOSCH2CH2CH3N(CH3)2 (5); zinc diacetate In methanol at 30℃; Product distribution; pH 4.00; other reagents;	A 9% B 91%
With 5-((3-(dimethylamino)propyl)thio)-4-(aminomethyl)-3-hydroxyl-5,6,7,8-tetraquinoline In methanol at 30℃; Product distribution; stereoselective transamination at pH=4.00, various reagents and pH;	A 7 % Chromat. B 93 % Chromat.
With ethylenediaminetetraacetic acid; D-(R)-phenylalanine at 20℃; for 24h; pH=8; Product distribution; Further Variations:; Reagents; transamination;

: (3S,5S)-3-Methyl-5-phenyl-morpholin-2-one

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With hydrogen; trifluoroacetic acid; palladium dihydroxide In methanol; water under 3750.3 Torr; for 24h;	91%

: 56-89-3
L-cystine

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With triethyl borane; tributylphosphine; sodium hydrogencarbonate; triethyl phosphite In propan-1-ol for 36h; Ambient temperature; Irradiation;	90%
With tris(2-carboxyethyl)phosphine; [4,4’-bis(1,1-dimethylethyl)-2,2’-bipyridine-N1,N1‘]bis [3,5-difluoro-2-[5-(trifluoromethyl)-2-pyridinyl-N]phenyl-C]iridium(III) hexafluorophosphate In aq. phosphate buffer; acetonitrile at 37℃; for 1h; pH=6.5; Temperature; Inert atmosphere; Schlenk technique; Sealed tube;	85%
With water; nickel at 45℃;
With nickel In water at 60℃; for 0.5h; Product distribution; desulfurization;

: 143746-60-5
(3S,6S)-1,4-N,N-((S)-1-phenyleth-1-yl)-3,6-dimethylpiperazine-2,5-dione

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With hydrogen iodide for 1h; Heating;	90%

: C13H19BN2O2

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With acetic acid Hydrolysis;	90%

: 1069-29-0
L-cystine dimethyl ester

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With triethyl borane; tributylphosphine; sodium hydrogencarbonate; triethyl phosphite In propan-1-ol for 36h; Ambient temperature; Irradiation;	88%

: 145058-00-0
(S)-2-<(R)-2-hydroxy-1-phenylethylamino>propanoic acid

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With formic acid; palladium In methanol; water for 168h; Ambient temperature;	86%

: (2S,4'S)-2-(2'-oxo-4'-phenyloxazolidin-3'-yl)propanoic acid

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With ammonia; lithium In tetrahydrofuran; tert-butyl alcohol at -70℃; for 0.0833333h; Elimination; Birch-Evans method;	84%

: 27948-38-5
(1S)-1-(furan-2-yl)ethanamine

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With ozone In methanol at -78℃; for 0.25h;	82%

: 97985-98-3
p-methoxybenzyloxycarbonyl-Phe-OMe

: α-alanine propyl ester

A: 56-41-7
L-alanin

B: Moz-Phe-D-Ala-O(nPr)

Conditions

Conditions	Yield
Stage #1: α-alanine propyl ester With Alcalase; water In tert-butyl alcohol at 25℃; pH=8.5; kinetic resolution; Stage #2: p-methoxybenzyloxycarbonyl-Phe-OMe With Alcalase In tert-butyl alcohol Condensation;	A n/a B 81%

...Expand

: 1116-19-4, 2325-18-0, 39537-36-5, 61500-92-3, 95191-59-6, 103067-82-9
DL-α-alanyl-DL-norvaline

A: 56-41-7
L-alanin

B: 338-69-2
D-Alanine

C: 2013-12-9
D-norvaline

D: 6600-40-4
L-Norvaline

Conditions

Conditions	Yield
With (S)-1-(N,N-dimethylaminomethyl)-2-formylcymantrene; sodium methylate; copper (I) acetate for 1h; Ambient temperature;	A 78.31% B 21.69% C 60.57% D 39.43%
With (S)-1-(N,N-dimethylaminomethyl)-2-formylcymantrene; sodium methylate; copper (I) acetate for 3h; Ambient temperature;	A 76.83% B 23.15% C 73.8% D 26.2%
With (R)-1-(N,N-dimethylaminomethyl)-2-formylcymantrene; sodium methylate; copper (I) acetate for 1h; Ambient temperature;	A 26.8% B 73.2% C 42.16% D 57.84%
With (R)-1-(N,N-dimethylaminomethyl)-2-formylcymantrene; sodium methylate; copper (I) acetate for 1h; Ambient temperature;	A 26.8% B 73.2% C 42.16% D 57.84%

...Expand

: 137910-12-4
(2R,5R)-2,5-Bis-methoxymethyl-pyrrolidine-1-carboxylic acid ((S)-1-carbamoyl-ethyl)-amide

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With hydrogenchloride Heating;	78%

: 67-56-1
methanol

: 730-08-5
L-tyrosyl-L-alanine

A: 538-86-3
benzyl methyl ether

B: 56-41-7
L-alanin

Conditions

Conditions	Yield
With potassium hydroxide; [bis(acetoxy)iodo]benzene at 0 - 5℃; for 1.5h;	A 71% B n/a

...Expand

: 2749-11-3
(S)-Alaninol

: 56-41-7
L-alanin

Conditions

Conditions	Yield
With (6-di-tert-butylphosphinomethyl-2,2’-bipyridyl)Ru(CO)HCl; sodium hydroxide In 1,4-dioxane; water at 20℃;	71%

: 67-56-1
methanol

: 56-41-7
L-alanin

: 10065-72-2
L-Alanine methyl ester

Conditions

Conditions	Yield
With thionyl chloride at 20℃; for 48h; Reflux;	100%
Stage #1: methanol With thionyl chloride at 0℃; for 0.166667h; Stage #2: L-alanin at 20℃; for 12h;	97%
With thionyl chloride at 8 - 10℃; Reflux;	96.68%

: 56-41-7
L-alanin

: 541-41-3
chloroformic acid ethyl ester

: 16639-86-4
N-ethoxycarbonyl-L-alanine

Conditions

Conditions	Yield
With sodium hydroxide at 15℃; for 1h; pH=9;	100%
With sodium hydrogencarbonate In water at 20℃; for 24h;	94%
With sodium hydroxide for 2h; Ambient temperature; pH=9-10;	91%

: 56-41-7
L-alanin

: 501-53-1
benzyl chloroformate

: 1142-20-7
N-Cbz-Ala

Conditions

Conditions	Yield
With sodium hydroxide In water at 0 - 20℃;	100%
With sodium hydroxide In water at 0 - 20℃; for 5h;	99%
With sodium carbonate In water at 0 - 20℃; for 24h;	98%

: 50-00-0
formaldehyd

: 56-41-7
L-alanin

: 2812-31-9
N,N-dimethyl-L-alanine

Conditions

Conditions	Yield
With palladium 10% on activated carbon; hydrogen In ethanol at 20℃; for 20h;	100%
With 10 mol% palladium on carbon; hydrogen In water at 20℃; under 760.051 Torr; for 36.5h; Reflux;	99%
With sodium dihydrogenphosphate; zinc at 30℃; for 20h;	92%

: 64-17-5
ethanol

: 56-41-7
L-alanin

: 3082-75-5
L-Alanine ethyl ester

Conditions

Conditions	Yield
With thionyl chloride	100%
With thionyl chloride
With hydrogenchloride

: 67-56-1
methanol

: 56-41-7
L-alanin

: 2491-20-5
L-alanine methyl ester hydrochloride

Conditions

Conditions	Yield
Stage #1: methanol With thionyl chloride at -15 - 0℃; Stage #2: L-alanin for 3h; Reflux;	100%
With thionyl chloride at -20 - 22℃; for 49h;	100%
With thionyl chloride at 40℃; for 3.5h;	99%

: 64-17-5
ethanol

: 56-41-7
L-alanin

: 1115-59-9
(S)-alanine ethyl ester hydrochloride

Conditions

Conditions	Yield
With thionyl chloride for 4h; Reflux;	100%
With hydrogenchloride for 12h; Reflux;	99%
With thionyl chloride	99%

: 56-41-7
L-alanin

: 24424-99-5
di-tert-butyl dicarbonate

: 15761-38-3
L-N-Boc-Ala

Conditions

Conditions	Yield
In 1,4-dioxane; water at 0 - 20℃; for 1h;	100%
With sodium hydroxide In tetrahydrofuran; water at 20℃; for 17h;	100%
With sodium hydroxide In tetrahydrofuran; water at 0 - 30℃; for 4.5h;	98%

: 56-41-7
L-alanin

: 6003-05-0, 16428-74-3, 25616-13-1, 26570-06-9
L-alanine hydrochloride

Conditions

Conditions	Yield
With hydrogenchloride In water for 0.5h;	100%
With hydrogenchloride In water
With hydrogenchloride In water at 20℃;

: 56-41-7
L-alanin

: 2937-50-0
Allyl chloroformate

: 90508-28-4
N-allyloxycarbonyl-L-alanine

Conditions

Conditions	Yield
With sodium hydroxide In water for 3h; Condensation;	100%
With sodium hydroxide at 20℃; for 2h;	99%
With sodium hydroxide at 0℃; for 1h;	30%

: 56-41-7
L-alanin

: 104-15-4
toluene-4-sulfonic acid

: 100-51-6
benzyl alcohol

: 42854-62-6
L-alanine benzyl ester p-toluenesulfonate

Conditions

Conditions	Yield
In benzene for 10h; Reflux; Inert atmosphere;	100%
at 50 - 62℃; under 15.0015 Torr; for 5.5h;	98.6%
In cyclohexane; water for 4h; Dean-Stark; Reflux;	92%

...Expand

: 56-41-7
L-alanin

: 67-63-0
isopropyl alcohol

: 39613-92-8, 62062-56-0, 62062-65-1
alanine isopropyl ester hydrochloride

Conditions

Conditions	Yield
With hydrogenchloride at 80 - 85℃; for 4h; Inert atmosphere;	100%
With hydrogenchloride at 80 - 85℃; for 4h;	100%
With thionyl chloride at 0℃; Reflux;	95%

: 56-41-7
L-alanin

: 81-30-1
1,4,5,8-naphthalenetetracarboxylic dianhydride

: (S)-2-[7-(1-carboxyethyl)-1,3,6,8-tetraoxo-3,6,7,8-tetrahydro-1H-benzo[lmn][3,8]phenanthrolin-2-yl]-propionic acid

Conditions

Conditions	Yield
In N,N-dimethyl-formamide at 110℃; for 13h;	100%
With pyridine for 12h; Heating;	91%
With acetic acid for 36h; Reflux;	90%

: 290821-85-1
1-(2-hydroxy-2-methylpropoxy)-2,2,6,6-tetramethyl-piperidin-4-one

: 56-41-7
L-alanin

: 4-(1-carboxyethylamino)-1-(2-hydroxy-2-methylpropoxy)-2,2,6,6-tetramethylpiperidine potassium salt

Conditions

Conditions	Yield
With potassium hydroxide; hydrogen; platinum(IV) oxide In methanol at 60℃; under 2327.23 Torr; for 4h;	100%

: 56-41-7
L-alanin

: 321-23-3
4-bromo-2-fluoronitrobenzene

: 99548-52-4
2-(5-bromo-2-nitrophenylamino)propionic acid

Conditions

Conditions	Yield
With potassium carbonate In ethanol; water	100%
With potassium carbonate In ethanol; water	100%

: nickel(II) nitrate hexahydrate

: 56-41-7
L-alanin

: 96293-17-3, 105024-93-9, 105112-33-2
(S)-N-(2-benzoylphenyl)-1-benzylpyrrolidine-2-carboxamide

: ((S)-2-N-(N-benzylprolyl)aminobenzophenone)(alanine) Ni(II) complex

Conditions

Conditions	Yield
With sodium methylate In methanol Addn. of a soln. of MeONa within 5-10 min to a mixt. of alanine, ligand and Ni-compound, heated to 60°C, allowing the mixt. to stand 1-2 h.; neutralizing the hot soln. (AcOH), pouring the mixt. into water, filtration, washing (water), drying in air.;	100%

...Expand

: 56-41-7
L-alanin

: L-alanine-18O2 hydrochloride

Conditions

Conditions	Yield
With hydrogenchloride; 18O-labeled water In 1,4-dioxane at 100℃; for 48h; Sealed tube;	100%

: 56-41-7
L-alanin

: 135544-68-2
N-(allyloxycarbonyloxy)succinimide

: 90508-28-4
N-allyloxycarbonyl-L-alanine

Conditions

Conditions	Yield
With potassium carbonate In tetrahydrofuran; water at 0 - 20℃;	100%

: 56-41-7
L-alanin

: L-alanine hydrochloride

Conditions

Conditions	Yield
With hydrogenchloride; 18O-labeled water In 1,4-dioxane at 100℃; for 48h; Sealed tube;	100%

: 56-41-7
L-alanin

: 79-11-8
chloroacetic acid

: L-glutamic acid N,N-diacetic acid tetra sodium salt

Conditions

Conditions	Yield
With potassium iodide; sodium hydroxide In water at 20 - 85℃; for 4.5h;	99.83%

: 56-41-7
L-alanin

: 104-87-0
4-methyl-benzaldehyde

: C11H13NO2

Conditions

Conditions	Yield
In 1,2-dichloro-ethane for 4h; Reflux;	99.8%

: 56-41-7
L-alanin

: 79-11-8
chloroacetic acid

: 164462-16-2
N,N-bis(carboxymethyl)-DL-alanine trisodium salt

Conditions

Conditions	Yield
With sodium hydroxide In water at 87 - 90℃; for 1.5h; pH=10 - 10.5; Temperature; pH-value; Large scale;	99.75%

: 85-44-9
phthalic anhydride

: 56-41-7
L-alanin

: 4192-28-3
Phth-L-Ala-OH

Conditions

Conditions	Yield
In water for 0.5h; microwave irradiation;	99%
at 140℃; for 0.166667h;	98%
at 170℃; for 2.5h;	94%

: 56-41-7
L-alanin

: 82911-69-1
N-(9H-fluoren-2-ylmethoxycarbonyloxy)succinimide

: 35661-39-3
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-alanine

Conditions

Conditions	Yield
With sodium carbonate In 1,4-dioxane; water at 20℃; for 18h;	99%
With sodium carbonate In N,N-dimethyl-formamide for 0.166667h; Ambient temperature;	96%
With sodium carbonate In 1,4-dioxane; water at 20℃; for 18h;

L-Alanine Consensus Reports

Reported in EPA TSCA Inventory.

L-Alanine Specification

1. Introduction of L-Alanine

L-Alanine, with the IUPAC Name of (2S)-2-aminopropanoic acid, is being stable while incompatible with strong oxidizing agents. This chemical belongs to the Product Categories which include Food & Feed ADDITIVES; Amino Acids; Alanine [Ala, A]; Amino Acids and Derivatives; alpha-Amino Acids; Biochemistry; Nutritional Supplements; L-Amino Acids; Amino Acids; Alphabetical Listings; AStable Isotopes; Stable Isotopes; GABA/Glycine receptor; bio-chemical; food additive; food flavor; alanine; amino acid; chemicals; food additives; organic acids; pharmaceutical intermediate.

2. Properties of L-Alanine

L-Alanine has the following property datas: (1)Index of Refraction: 1.459; (2)Molar Refractivity: 21 cm³; (3)Molar Volume: 76.7 cm³; (4)Polarizability: 8.32×10-24cm³; (5)Surface Tension: 45.8 dyne/cm; (6)Density: 1.161 g/cm³; (7)Flash Point: 82.6 °C; (8)Enthalpy of Vaporization: 49.5 kJ/mol; (9)Melting Point: 314.5 °C (dec.)(lit.); (10)Boiling Point: 212.9 °C at 760 mmHg; (11)Vapour Pressure: 0.0661 mmHg at 25°C; (12)Water Solubility: 166.5 g/L (25 oC).

3. Structure Descriptors of L-Alanine

You could convert the following datas into the molecular structure:
InChI: InChI=1S/C3H7NO2/c1-2(4)3(5)6/h2H,4H2,1H3,(H,5,6)/t2-/m0/s1
InChIKey: InChIKey=QNAYBMKLOCPYGJ-REOHCLBHSA-N
Smiles: C([C@H](C)N)(O)=O

4. Use of L-Alanine

In food and drink, L-Alanine (CAS NO.56-41-7) is used as the antiseptic, flavour sauce, and amino acids low-alcohol liquor etc. In medicine, it is used for synthesis of amino acids infusion.

5. Safety information of L-Alanine
Hazard Codes of L-Alanine (CAS NO.56-41-7): Irritant 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
RTECS: AY2990000
F: 10
HazardClass: IRRITANT
HS Code: 29224995

6. Production of L-Alanine

L-Alanine can be prepared by the condensation of acetaldehyde with ammonium chloride in the presence of sodium cyanide by the Strecker reaction, or by the ammonolysis of 2-bromopropionic acid:

Product Name

L-alpha-Alanine

Synthetic route

L-Alanine Consensus Reports

L-Alanine Specification

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