Dl-Alanine supplier | CasNO.302-72-7

Name
DL-Alanine
EINECS 206-126-4
CAS No. 302-72-7
Article Data259
CAS DataBase
Density 1.161 g/cm³
Solubility 156 g/L (20 °C) in water
Melting Point 289 °C (dec.)(lit.)
Formula C₃H₇NO₂
Boiling Point 212.907 °C at 760 mmHg
Molecular Weight 89.0941
Flash Point 82.563 °C
Transport Information
Appearance White crystalline powder
Safety 22-24/25-36-26
Risk Codes 36/37/38
Molecular Structure
Hazard Symbols Xi
Synonyms (R,S)-Alanine;dl-.alpha.-Aminopropionic acid;DL-alpha-Alanine;D,L-Alanine;Alanin;DL-2-Aminopropanoic acid;(+-)-2-Aminopropionic acid;alanine;(RS)-2-Aminopropionsaeure;Alanine, DL-;(+-)-Alanine;DL-2-Aminopropionic acid;DL-.alpha.-Alanine;D, L-Alanine;DL-alpha-Aminopropionic acid;H-DL-Ala-OH;DL-2-Aminopropanic Acid,;
PSA 63.32000
LogP 0.11850

Synthetic route

: 56-41-7
L-alanin

: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
With salicylaldehyde In acetic acid at 100℃; for 1h; Product distribution; var. temp., var. catalysts, var. solvents;	96%
salicylaldehyde In acetic acid at 100℃; for 1h;	96%
With sodium dihydrogenphosphate; tritium oxide at 124.6 - 175.4℃; Thermodynamic data; Rate constant; various pH's, various temperatures; Ea, ΔH(excit.), ΔS(excit.);

: 100-39-0
benzyl bromide

: 117470-83-4
ethyl N-<(4-chlorophenyl)methylene>-DL-alanate

A: 1132-26-9
2-methyl-3-phenylalanine

B: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
With tetrabutylammomium bromide; potassium carbonate In acetonitrile for 48h; Product distribution; Heating; further alkylation method;	A 94% B 7%

...Expand

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

: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
With phenylglycin In water; acetonitrile for 24h; Inert atmosphere; Reflux;	90%
With ethylenediaminetetraacetic acid; cetyltrimethylammonium chloride; N-Phenylglycine; DPL at 30℃; Product distribution; potassium phosphate buffer (pH 7.8); variation of incubation time, pH and DPL concentration;
With zinc(II) perchlorate; 15-aminomethyl-14-hydroxy-5,5-dimethyl-2,8-dithia<9>(2,5)pyridinophane In methanol at 23℃; Rate constant;

: 7352-65-0
DL-Alanin-(4-nitro-benzylester)

: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
With sodium dithionite; sodium carbonate In acetonitrile	90%

: 80222-96-4
2-aminopropanamide hydrochloride

: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
Stage #1: 2-aminopropanamide hydrochloride With sodium hydroxide In water Stage #2: In water at 130℃; for 1h;	88.6%

: 328-42-7
Oxalacetic acid

: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
With phenylglycin In water; acetonitrile for 24h; Inert atmosphere; Reflux;	88%

: 120-20-7
2-(3,4-dimethoxyphenyl)-ethylamine

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

A: 26477-09-8
N-2-(3,4-dimethoxyphenyl)ethylphthalimide

B: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
In methanol at 140 - 145℃; for 0.666667h; Solvent;	A 78% B n/a

...Expand

: 113-24-6
sodium pyruvate

: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
Stage #1: sodium pyruvate With ammonia; hydrogen; chloro(1,5-cyclooctadiene)rhodium(I) dimer; 2,2'-bis[[bis(3-sulfophenyl)phosphino]methyl]-4,4',7,7'-tetrasulfo-1,1'-binaphthyl octasodium salt In water at 60℃; under 24752.5 Torr; for 16h; Stage #2: With hydrogenchloride In water Product distribution / selectivity;	75%
With copper(II) perchlorate; 2-methyl-3-hydroxy-4-aminomethyl-5-(dodecylthiomethyl)pyridine In water at 30℃;
Multistep reaction;
With 2-methyl-3-hydroxy-4-aminomethyl-5-(N,N-didodecylamino)pyridine hydrobromide; N,N-hexadecyl-Nα-<6-(triethylammonio)hexanoyl>-L-alaninamide bromide; copper(II) perchlorate In water at 9.9℃; Thermodynamic data; Rate constant; Mechanism; pH = 6.9, (HEPES buffer), transamination; +ΔG, +ΔH (depends quant. of cat.), var. temp.;
With copper(II) perchlorate; 2-methyl-3-hydroxy-4-aminomethyl-5-(dodecylthiomethyl)pyridine In water at 30℃; Rate constant; Mechanism; various vesicle-forming compound added;

: 6168-72-5
2-Amino-1-propanol

: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
Stage #1: 2-Amino-1-propanol With (6-di-tert-butylphosphinomethyl-2,2’-bipyridyl)Ru(CO)HCl; water; sodium hydroxide In 1,4-dioxane for 24h; Schlenk technique; Inert atmosphere; Glovebox; Reflux; Stage #2: With hydrogenchloride In 1,4-dioxane; water	71%
With potassium permanganate; sulfuric acid

: 100-39-0
benzyl bromide

: 69555-16-4
ethyl 2-(diphenylmethyleneamino)propanoate

A: 1132-26-9
2-methyl-3-phenylalanine

B: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
With tetrabutylammomium bromide; potassium carbonate In acetonitrile for 48h; Product distribution; Heating; further alkylation method;	A 23% B 63%

...Expand

: 2-[2-Benzoylamino-1-methoxy-eth-(Z)-ylideneamino]-propionic acid

A: 1205-08-9
methyl hippurate

B: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
With hydrogenchloride In diethyl ether Yield given;	A 63% B n/a
With hydrogenchloride In diethyl ether Yields of byproduct given;	A 63% B n/a

: 77504-36-0
2-amino-3-((4-((S)-2-amino-2-carboxyethyl)-1H-imidazol-2-yl)thio)propionic acid

A: 302-72-7
rac-Ala-OH

B: 2002-22-4
(2S)-2-amino-3-(2-mercapto-1H-imidazol-4-yl)propanoic acid

Conditions

Conditions	Yield
With hydrogen iodide for 16h; Heating;	A 54% B 62%

: 130642-14-7, 130642-18-1
Acetic acid (2R,4R)-2,4-dimethyl-3-nitro-5-oxo-oxazolidin-2-yl ester

A: 60-35-5
acetamide

B: 631-61-8
ammonium acetate

C: 130642-15-8
N-nitroalaninamide

D: 515-98-0
Ammonium lactate

E: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
With ammonia In diethyl ether at 25℃; for 0.5h; Mechanism;	A n/a B n/a C n/a D n/a E 60%

...Expand

: 130642-14-7, 130642-18-1
Acetic acid (2R,4R)-2,4-dimethyl-3-nitro-5-oxo-oxazolidin-2-yl ester

A: 60-35-5
acetamide

B: 130642-15-8
N-nitroalaninamide

C: 515-98-0
Ammonium lactate

D: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
With ammonia In diethyl ether at 25℃; for 0.5h; Further byproducts given;	A n/a B 60% C n/a D n/a

...Expand

: gluconic acid sodium salt

: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
With ammonium hydroxide; 2.5% Ru on PICA 12x20 mesh granular C; ammonium metatungstate hydrate at 180℃; under 103510 Torr; for 2h; Pressure; Reagent/catalyst; Temperature; Sealed tube;	56.5%

: 2-[2-Benzoylamino-1-(2-hydroxy-ethoxy)-eth-(Z)-ylideneamino]-propionic acid

A: 302-72-7
rac-Ala-OH

B: Benzoylamino-acetic acid 2-hydroxy-ethyl ester

Conditions

Conditions	Yield
With hydrogenchloride In diethyl ether Yield given;	A n/a B 55%
With hydrogenchloride In diethyl ether	A n/a B 55%

: 2-[2-Benzoylamino-1-ethoxy-eth-(Z)-ylideneamino]-propionic acid

A: 1499-53-2
ethyl hippurate

B: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
With hydrogenchloride In diethyl ether	A 51% B n/a

: 598-78-7
(R,S)-2-chloropropionic acid

: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
With ammonium hydroxide at 70℃; for 5h;	46%

: 598-78-7
(R,S)-2-chloropropionic acid

A: 73890-66-1, 219755-19-8
2,2'-iminodipropionic acid

B: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
With ammonium hydroxide at 70℃; for 5h; Product distribution; var. initial ratios of reagents and temperatures and pressures;	A n/a B 46%

: C3H5NO2*H(1+)

: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
With hydrogenchloride In acetic acid at 100℃; for 48h; biomimetic reduction;	34%

: 39484-07-6
2-Amino-3-(2,5-dihydroxy-phenylsulfanyl)-propionic acid

A: 123-31-9
hydroquinone

B: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
In methanol for 1h; Irradiation;	A 32% B 20%

: 63-91-2
L-phenylalanine

: 113-24-6
sodium pyruvate

A: 114-76-1
sodium phenylphyruvate

B: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
With acetate buffer; N(1+)C5His2C16; PL(1+)2C16; copper(II) perchlorate In water at 30℃; for 48h; Kinetics; var. catalysts;	A n/a B 27%

...Expand

: 17054-97-6
3-S-cysteinyl-5-methylcatechol

A: 302-72-7
rac-Ala-OH

B: 452-86-8
4-methyl-1,2-dihydroxybenzene

Conditions

Conditions	Yield
In methanol for 1h; Product distribution; Mechanism; Irradiation; further in presence of O2, acetone, or 2-methyl-1,3-butadiene;	A 20% B 16%

: 107-10-8
propylamine

: 64-18-6
formic acid

A: 10569-72-9
DL-3-aminoisobutyric acid

B: 302-72-7
rac-Ala-OH

C: 2835-81-6
2-aminobutanoic acid

D: 56-12-2
4-amino-n-butyric acid

Conditions

Conditions	Yield
In water at 10 - 20℃; for 1h; contact glow discharge electrolysis (500-600 V, 45 mA); Further byproducts given;	A 9.8% B 3.4% C 0.9% D 8.1%

...Expand

: 34557-54-5
methane

: 124-38-9
carbon dioxide

A: 56-40-6
glycine

B: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
With nitrogen; water at 95℃; under 4560.31 Torr; for 72h; Catalytic behavior; Pressure; UV-irradiation;	A 3.4% B 2.4%
With nitrogen; water Reagent/catalyst; UV-irradiation; Heating;

...Expand

: 64-18-6
formic acid

: 75-04-7
ethylamine

A: 302-84-1
serin

B: 56-40-6
glycine

C: 302-72-7
rac-Ala-OH

D: 107-95-9
3-amino propanoic acid

Conditions

Conditions	Yield
In water at 10 - 20℃; for 1h; contact glow discharge electrolysis (500-600 V, 45 mA);	A 0.1% B 0.1% C 1.5% D 3.1%

...Expand

: 141-53-7
sodium formate

: 75-04-7
ethylamine

A: 302-84-1
serin

B: 56-40-6
glycine

C: 302-72-7
rac-Ala-OH

D: 107-95-9
3-amino propanoic acid

Conditions

Conditions	Yield
In water at 10 - 20℃; for 1h; contact glow discharge electrolysis (500-600 V, 45 mA);	A 1% B 0.3% C 3.1% D 0.6%

...Expand

: 2-Bromo-propionic acid; compound with ammonia

: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
at 19.9℃; under 37503000 Torr; Product distribution; under shear deformation (360 deg);	1.35%

: 67-56-1
methanol

: 859196-30-8
methyl-malonic acid-monoazide

: 302-72-7
rac-Ala-OH

Conditions

Conditions	Yield
With diethyl ether Erhitzen des Reaktionsprodukts mit konz. wss. HCl auf 90grad;

: 67-56-1
methanol

: 302-72-7
rac-Ala-OH

: 13515-97-4
methyl 2-aminopropanoate monohydrochloride

Conditions

Conditions	Yield
With thionyl chloride at 0 - 20℃; for 17h; Inert atmosphere;	100%
With thionyl chloride at -20 - 20℃; for 17h; Inert atmosphere;	100%
With chloro-trimethyl-silane at 20℃; for 12h;	97%

: 67-63-0
isopropyl alcohol

: 302-72-7
rac-Ala-OH

: iso-propyl alaninate hydrochloride

Conditions

Conditions	Yield
With thionyl chloride at -20℃; for 4h; Heating / reflux;	100%
With thionyl chloride for 16h; Heating;

: 919-30-2
3-aminopropyltriethoxysilane

: 302-72-7
rac-Ala-OH

: C12H28N2O4Si

Conditions

Conditions	Yield
at 200℃; for 0.05h; Product distribution / selectivity; Microwave irradiation (300 W);	100%

: 1-(4-methoxybutyl)-3-methylimidazolium hydroxide

: 302-72-7
rac-Ala-OH

: C9H17N2O(1+)*C3H6NO2(1-)

Conditions

Conditions	Yield
at 20℃; for 72h;	99.99%

: 80-40-0
ethyl ester of p-toluenesulfonic acid

: 302-72-7
rac-Ala-OH

: ethyl (RS)-alaninate p-toluenesulfonic acid salt

Conditions

Conditions	Yield
In ethanol for 36h; Esterification; Heating;	99%

: 82704-14-1
(S)-2-{(N-benzyl-2-pyrrolidinyl)carbonylamino}benzaldehyde

: 302-72-7
rac-Ala-OH

: nickel(II) nitrate

: (S)-{Ni(O2CCH(CH3)NCHC6H4COC4H7N(CH2C6H5))}

Conditions

Conditions	Yield
With sodium methylate In methanol	99%

...Expand

: C20H24N2O2*ClH

: 302-72-7
rac-Ala-OH

: nickel dichloride

: C23H27N3NiO3

Conditions

Conditions	Yield
With sodium carbonate In methanol at 65℃; diastereoselective reaction;	99%

...Expand

: 7149-49-7
2,3-naphthalenedicarboxaldehyde

: 143-33-9
sodium cyanide

: 302-72-7
rac-Ala-OH

: 103851-04-3
Sodium; 2-(1-cyano-benzo[f]isoindol-2-yl)-propionate

Conditions

Conditions	Yield
In methanol; water for 0.75h; Ambient temperature;	98.6%

...Expand

: 302-72-7
rac-Ala-OH

: 2719-27-9
cyclohexanylcarbonyl chloride

: 150671-92-4
N-(Cyclohexylcarbonyl)-DL-alanin

Conditions

Conditions	Yield
With sodium hydroxide In dichloromethane at 20℃; for 0.5h;	98%
With sodium hydroxide

: 3101-11-9
Bz-Gly-ONPh

: 302-72-7
rac-Ala-OH

: 24639-11-0
N-hippuroyl-alanine

Conditions

Conditions	Yield
With sodium hydroxide In water; butan-1-ol Ambient temperature;	98%

: 91806-74-5
3,5-dimethyl-pyrazole-1-carboxylic acid benzyl ester

: 302-72-7
rac-Ala-OH

: 4132-86-9, 26607-51-2, 1142-20-7
N-benzyloxycarbonylalanine

Conditions

Conditions	Yield
With sodium hydride In N,N-dimethyl-formamide at -5℃; for 5h;	98%

: 909114-65-4
tert-butyl 4,6-dimethoxy-1,3,5-triazinyl carbonate

: 302-72-7
rac-Ala-OH

: 3744-87-4, 7764-95-6, 15761-38-3
N-t-butyloxycarbonyl-DL-alanine

Conditions

Conditions	Yield
With triethylamine In methanol at 20℃; for 0.5h;	98%

: 1644308-43-9
(R)-N-(2-benzoyl-4-chlorophenyl)-1-[(3,4-dichlorophenyl)methyl]-2-pyrrolidinecarboxamide

: 6018-89-9
nickel(II) acetate tetrahydrate

: 302-72-7
rac-Ala-OH

: C28H24Cl3N3NiO3

Conditions

Conditions	Yield
With potassium carbonate In methanol at 60℃; for 1h; Temperature; diastereoselective reaction;	98%

...Expand

: 112-42-5
undecyl alcohol

: 302-72-7
rac-Ala-OH

: 1614221-37-2
undecyl 2-aminopropanoate

Conditions

Conditions	Yield
With toluene-4-sulfonic acid In toluene Reflux;	97.56%

: 701-73-5
methyl N-phenyldithiocarbamate

: 302-72-7
rac-Ala-OH

: 4333-19-1
5-methyl-3-phenyl-2-thiohydantoin

Conditions

Conditions	Yield
With triethylamine In ethanol for 5h; Heating;	97%

: 64-17-5
ethanol

: 302-72-7
rac-Ala-OH

: 617-27-6
DL-alanine ethyl ester hydrochloride

Conditions

Conditions	Yield
With thionyl chloride for 2h; Heating;	97%
With hydrogenchloride for 5h; Heating;	95%
With hydrogenchloride for 5h; Reflux;	92%

: 1644308-41-7
((S)-N-(2-benzoyl-4-chlorophenyl)-1-(3,4-dichlorobenzyl)pyrrolidine-2-carboxamide)

: 6018-89-9
nickel(II) acetate tetrahydrate

: 302-72-7
rac-Ala-OH

: C28H24Cl3N3NiO3

Conditions

Conditions	Yield
With potassium carbonate In methanol at 60℃; for 3h; Temperature; Reagent/catalyst; diastereoselective reaction;	97%
With potassium carbonate In methanol at 15℃; for 56h;	90%

...Expand

: 99-56-9
4-Nitrophenylene-1,2-diamine

: 302-72-7
rac-Ala-OH

: 1-(5-nitro-1H-benzo[d]imidazol-2-yl)ethan-1-amine

Conditions

Conditions	Yield
With hydrogenchloride In water for 6h; Reflux;	97%

: 117-21-5
3-chlorophthalic anhydride

: 302-72-7
rac-Ala-OH

: C11H8ClNO4

Conditions

Conditions	Yield
With acetic acid at 100℃; for 3h;	96.4%

: 58303-62-1
5-(4-chlorophenyl)-2,3-dihydrofuran-2,3-dione

: 302-72-7
rac-Ala-OH

: 121275-51-2
2-[4-(4-Chloro-phenyl)-2,4-dioxo-butyrylamino]-propionic acid

Conditions

Conditions	Yield
With acetamide at 78 - 80℃; for 0.416667h; oth. reagent - CH3CON(CH3)2;	96%

: 909114-66-5
9-fluorenylmethyl 4,6-dimethoxy-1,3,5-triazinyl carbonate

: 302-72-7
rac-Ala-OH

: 35661-38-2
Fmoc-alanine

Conditions

Conditions	Yield
With sodium carbonate In acetonitrile at 20℃; for 1.25h;	96%

: 1131147-58-4
3-(1H-benzo[d][1,2,3]triazole-1-carbonyl)-1-ethyl-7-methyl-1,8-naphthyridin-4(1H)-one

: 302-72-7
rac-Ala-OH

: 2-(1-ethyl-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxamido)propanoate

Conditions

Conditions	Yield
With triethylamine In water; acetonitrile at 20℃; for 3h;	96%

: 70-23-5
ethyl Bromopyruvate

: 532-55-8
Benzoyl isothiocyanate

: 302-72-7
rac-Ala-OH

: 2-[4-(ethoxycarbonyl)-2-(benzoylimino)thiazol-3(2H)-yl]propanoic acid

Conditions

Conditions	Yield
Stage #1: Benzoyl isothiocyanate; rac-Ala-OH With 1-n-butyl-3-methylimidazolim bromide at 50℃; for 1h; Stage #2: ethyl Bromopyruvate at 50℃; for 3h;	96%

...Expand

: (R)-N-(2-benzoyl-4-chlorophenyl)-2-[3,5-dihydro-4H-dinaphtho[2,1-c:1',2'-e]azepine-4-yl]acetamide

: 6018-89-9
nickel(II) acetate tetrahydrate

: 302-72-7
rac-Ala-OH

: C40H30ClN3NiO3

Conditions

Conditions	Yield
With potassium carbonate In methanol at 60 - 70℃; for 24h;	96%
With potassium carbonate In methanol at 40℃; for 24h;	84.8%
With potassium carbonate In methanol at 40℃; for 24h;	84.8%

...Expand

: 79-11-8
chloroacetic acid

: 302-72-7
rac-Ala-OH

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

Conditions

Conditions	Yield
Stage #1: rac-Ala-OH With sodium carbonate; sodium iodide In water at 55℃; for 1.08333h; pH=9.5 - 9.9; Large scale; Stage #2: chloroacetic acid In water at 45 - 92℃; Reagent/catalyst; Large scale;	96%

: 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

: 501-53-1
benzyl chloroformate

: 302-72-7
rac-Ala-OH

: 4132-86-9, 26607-51-2, 1142-20-7
N-benzyloxycarbonylalanine

Conditions

Conditions	Yield
With sodium carbonate In tetrahydrofuran; water at 0 - 20℃; for 2h;	95%
With sodium hydroxide at 0℃; for 3h;	68%
With sodium hydroxide unter Kuehlung;

: 383-63-1
ethyl trifluoroacetate,

: 302-72-7
rac-Ala-OH

: 1597-49-5
trifluoroacetyl-DL-alanine

Conditions

Conditions	Yield
With N,N,N',N'-tetramethylguanidine	95%
Stage #1: rac-Ala-OH With triethylamine In methanol for 0.0833333h; Stage #2: ethyl trifluoroacetate, In methanol for 24h;	68%
With methanol; ion-exchange resin + form>; N-cyclohexyl-cyclohexanamine
With triethylamine In methanol at 20℃; for 16h;

: 302-72-7
rac-Ala-OH

: 407-25-0
trifluoroacetic anhydride

: 2546-67-0
4-Methyl-2-(trifluoromethyl)-1,3-oxazol-5(2H)-on

Conditions

Conditions	Yield
at 20℃; for 4h;	95%
at 150℃; for 2h;	64%
at 0 - 60℃; for 2h;	41%

Dl-Alanine Chemical Properties

IUPAC Name: 2-aminopropanoic acid
Synonyms of Dl-Alanine (CAS NO.302-72-7): (+-)-2-Aminopropionic acid ; (+-)-Alanine ; (R,S)-Alanine ; Alanine, DL- ; D,L-Alanine ; DL-2-Aminopropanoic acid ; DL-alpha-Aminopropionic acid
CAS NO: 302-72-7
Molecular Formula: C₃H₇NO₂
Molecular Weight: 89.09
Molecular Structure:
EINECS: 206-126-4
H bond acceptors: 3
H bond donors: 3
Freely Rotating Bonds: 2
Polar Surface Area: 29.54 Å²
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
Melting Point: 289 °C (dec.)(lit.)
Storage temp: Store at RT.
Water Solubility: 156 g/L (20 °C)
Appearance: White crystalline powder
Stability: Stable. Incompatible with strong oxidizing agents.
Product Categories of Dl-Alanine (CAS NO.302-72-7): Amino Acids;Alanine [Ala, A];alpha-Amino Acids;Biochemistry;Amino Acids;alanine;amino acid;bio-chemical;chemicals;food additive;food additives;food flavor;organic acids;pharmaceutical intermediate;sweetener

Dl-Alanine Uses

Dl-Alanine (CAS NO.302-72-7) is a biologically important amino acid.

Dl-Alanine Production

D-Alanine occurs in bacterial cell walls and in some peptide antibiotics.
Here is Chemical Synthesis:
D-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

Dl-Alanine Safety Profile

Safety Information about Dl-Alanine (CAS NO.302-72-7):
Hazard Codes: Irritant Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 22-24/25-36-26
S22: Do not breathe dust.
S24/25: Avoid contact with skin and eyes.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36: Wear suitable protective clothing.
WGK Germany: 3
RTECS: AY2980000
HS Code: 29224995
Low toxicity by ingestion. When heated to decomposition emits toxic fumes of NO_x.

Dl-Alanine Specification

General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam.
Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing.
Storage: Store in a cool, dry place. Store in a tightly closed container. Do not exceed 30°C (86°F).

Product Name

DL-Alanine

Synthetic route

Dl-Alanine Chemical Properties

Dl-Alanine Uses

Dl-Alanine Production

Dl-Alanine Safety Profile

Dl-Alanine Specification

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