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| CAS No.: | 5794-13-8 |
|---|---|
| Name: | L(+)-Asparagine monohydrate |
| Molecular Structure: | |
|
|
|
| Formula: | C4H10N2O4 |
| Molecular Weight: | 150.134 |
| Synonyms: | L-Asparagine,hydrate (1:1);Asparagine,monohydrate, L- (8CI);L-Asparagine, monohydrate (9CI);L-Asparagine monohydrate; |
| EINECS: | 200-735-9 |
| Density: | 1,543 g/cm3 |
| Melting Point: | 233-235 °C(lit.) |
| Boiling Point: | 438 °C at 760 mmHg |
| Flash Point: | 218.7 °C |
| Solubility: | 30 g/L (20 °C) in water |
| Appearance: | White crystalline powder |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 20/21/22-36/37/38 |
| Safety: | 24/25-36-26 |
| PSA: | 115.64000 |
| LogP: | -0.39000 |
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| Conditions | Yield |
|---|---|
| In methanol byproducts: AgCl; under Ar, dropwise addn. of NaOMe-soln. to Ru-compd. and ligand in methanol, stirred for 15 min at room temp., addn. of AgCF3SO3 in ethanol; evapd. in vac., residue taken up in CH2Cl2 and few methanol, dropwise addn. to ether, washed with pentane, dried in vac.; elem. anal.; | 85% |
- 3392-08-3
N-(tert-butoxy)carbonyl-L-isoleucine N-hydroxysuccinimide ester
- 5794-13-8
L-asparagine monohydrate
- 90315-41-6
(S)-2-((2S,3S)-2-tert-Butoxycarbonylamino-3-methyl-pentanoylamino)-succinamic acid
| Conditions | Yield |
|---|---|
| With triethylamine In 1,4-dioxane; water Ambient temperature; overnight; | 68% |
| Conditions | Yield |
|---|---|
| With potassium carbonate In water | 68% |
- 5794-13-8
L-asparagine monohydrate
| Conditions | Yield |
|---|---|
| With sodium methanolate In methanol Ar; stirred; 15 h;; centrifuged; layered with Et2O; crystd.; elem. anal.;; | 30% |
| Conditions | Yield |
|---|---|
| With sodium carbonate In methanol; water |
- 5794-13-8
L-asparagine monohydrate
| Conditions | Yield |
|---|---|
| In water prepn. by mixing aq. soln. of L-asparagine monohydrate and VOSO4*3H2O; soln. slowly evapd.; |
| Conditions | Yield |
|---|---|
| In water at 40℃; |
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Chemistry
IUPAC Name: 2,4-Diamino-4-oxobutanoic acid hydrate
Molecular Formula: C4H10N2O4
Molecular Weight: 150.13
EINECS: 200-735-9
Flash Point: 218.7 °C
Melting point: 233-235 °C
Storage tempreture: Store at 0-5 °C
Water solubility: 30 g/L (20 °C)
Appearance: White crystalline powder
Enthalpy of Vaporization: 76.17 kJ/mol
Boiling Point: 438 °C at 760 mmHg
Vapour Pressure: 6.74E-09 mmHg at 25 °C
Structure of L(+)-Asparagine monohydrate (CAS NO.5794-13-8):
Product Category of L(+)-Asparagine monohydrate (CAS NO.5794-13-8): Asparagine;alpha-Amino Acids;Biochemistry;L-Amino Acids
Toxicity Data With Reference
L(+)-Asparagine monohydrate (CAS NO.5794-13-8) hasn't been listed as a carcinogen by NTP, IARC, ACGIH, or CA Prop 65. And the toxicological properties have not been fully investigated.
Safety Profile
Hazard Codes : 
Xn
Risk Statements:
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed
R36/37/38 :Irritating to eyes, respiratory system and skin
Safety Statements:
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
Specification
L(+)-Asparagine monohydrate , its cas register number is 5794-13-8. It also can be called L-Asparagine hydrate ; L-2-Aminosuccinamic acid hydrate ; and Asparagine monohydrate . It is hazardous, so the first aid measures and others should be known. Such as: When on the skin: first, should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly, get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Then get medical aid soon. While, it's inhaled: Remove from exposure and move to fresh air immediately. Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product: If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
In addition, L(+)-Asparagine monohydrate (CAS NO.5794-13-8) could be stable under normal temperatures and pressures. It is not compatible with strong oxidizing agents, and you must not take it with incompatible materials. And also prevent it to broken down into hazardous decomposition products: Nitrogen oxides, carbon monoxide, carbon dioxide.