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| CAS No.: | 775-06-4 |
|---|---|
| Name: | 3-(3-Hydroxyphenyl)-DL-alanine |
| Article Data: | 42 |
| Molecular Structure: | |
|
|
|
| Formula: | C9H11NO3 |
| Molecular Weight: | 181.191 |
| Synonyms: | DL-Metatyrosine;DL-m-Hydroxyphenylalanine;DL-m-Tyrosine;DL-a-m-Tyrosine;Metatyrosine;NSC 89304;m-DL-Tyrosine;m-Hydroxyphenylalanine;m-Tyrosine;DL-Phenylalanine,3-hydroxy-;m-Tyrosine, DL- (8CI);2-Amino-3-(3-hydroxyphenyl)propanoic acid;DL-3-(m-Hydroxyphenyl)alanine;DL-3-Hydroxyphenylalanine; |
| EINECS: | 212-270-9 |
| Density: | 1.333 g/cm3 |
| Melting Point: | 280-285 °C (dec.)(lit.) |
| Boiling Point: | 387.2 °C at 760 mmHg |
| Flash Point: | 188 °C |
| Appearance: | white crystals powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-36-37/39 |
| PSA: | 83.55000 |
| LogP: | 1.04690 |
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- 885590-99-82,3-DIFLUORO-4-IODOBENZALDEHYDE
- 97730-31-9(S)-4'-(2-Methylbutyl)Biphenyl-4-Carbonitrile
| Conditions | Yield |
|---|---|
| With iron sulfide; ammonium carbonate In water at 100℃; for 336h; | 45% |
- 41888-66-8
4-(3-acetoxy-benzylidene)-2-methyl-4H-oxazol-5-one
- 775-06-4
D/L-3-hydroxy-phenylalanine
| Conditions | Yield |
|---|---|
| With phosphorus; hydrogen iodide; acetic acid | |
| With sodium amalgam |
- 28101-74-8
3-aminophenylalanine
- 775-06-4
D/L-3-hydroxy-phenylalanine
| Conditions | Yield |
|---|---|
| With potassium nitrite Diazotization; |
- 50713-75-2
N-benzoyl-3-hydroxy-phenylalanine
- 775-06-4
D/L-3-hydroxy-phenylalanine
| Conditions | Yield |
|---|---|
| With hydrogenchloride |
| Conditions | Yield |
|---|---|
| With phosphorus; hydrogen iodide |
- 150-30-1
Phenylalanine
A
- 775-06-4
D/L-3-hydroxy-phenylalanine
B
- 709-16-0, 2370-61-8, 7423-92-9, 24008-77-3
2-hydroxy-phenylalanine
| Conditions | Yield |
|---|---|
| With 6,7-dimethyl-5,6,7,8-tetrahydropteridine; oxygen at 37℃; Kinetics; in citrate buffer(pH 6.0), also with MPH4 and in the pH range of 3 to 8,effect of various substances; | |
| With hypoxanthine; xanthine at 37℃; for 0.5h; Mechanism; in citrate buffer(pH 5.5), also in the pH range of 4.5 to 6.5, effect ofsuperoxide dismutase, catalase and various substances; |
- 150-30-1
Phenylalanine
A
- 775-06-4
D/L-3-hydroxy-phenylalanine
B
- 709-16-0, 2370-61-8, 7423-92-9, 24008-77-3
2-hydroxy-phenylalanine
D
- 56-40-6
glycine
E
- 617-45-8
aspartic Acid
| Conditions | Yield |
|---|---|
| In water for 0.333333h; Product distribution; hydroxylation of the aromatic ring was investigated by the action hydroxyl radicals generated by decomposition of water molecules by the high energy plasma, and other systems.; |
- 150-30-1
Phenylalanine
A
- 775-06-4
D/L-3-hydroxy-phenylalanine
B
- 709-16-0, 2370-61-8, 7423-92-9, 24008-77-3
2-hydroxy-phenylalanine
| Conditions | Yield |
|---|---|
| γ-Strahlen.Irradiation; |
| Conditions | Yield |
|---|---|
| With barium dihydroxide |
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Chemistry
Structure of DL-m-Tyrosine (CAS NO.775-06-4):
IUPAC Name: 2-Amino-3-(3-hydroxyphenyl)propanoic acid
Empirical Formula: C9H11NO3
Molecular Weight: 181.1885 g/mol
Index of Refraction: 1.614
Density: 1.333 g/cm3
Flash Point: 188 °C
Melting point: 280-285 °C (dec.)(lit.)
Appearance: White crystals powder
Boiling Point: 387.2 °C at 760 mmHg
Vapour Pressure: 1.09E-06 mmHg at 25 °C
Product Category: Tyrosine [Tyr, Y];Unusual Amino Acids;Amino Acids & Derivatives
Uses
DL-m-Tyrosine (CAS NO.775-06-4) has been used for the precursor in the formation of catecholamines.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intravenous | 320mg/kg (320mg/kg) | U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#02549, |
Safety Profile
Hazard Codes: 
Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36: Wear suitable protective clothing.
S37/39: Wear suitable gloves and eye/face protection.
Specification
DL-m-Tyrosine ,its cas register number is 775-06-4. It also can be called (+/-)-2-Amino-3-(3-hydroxyphenyl)propionic acid ; 3-Hydroxyphenylalanine ; Meta-Tyrosine ; 3-Tyrosine ; and 3-(3-Hydroxyphenyl)-DL-alanine . 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 : Wash mouth out with water,and get medical aid immediately.Notes to physician: Treat supportively and symptomatically.
In addition, DL-m-Tyrosine (CAS NO.775-06-4) 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.