DL-Tyrosine
Synonym(s):(±)-2-Amino-3-(4-hydroxyphenyl)propionic acid;3-(4-Hydroxyphenyl)-DL -alanine
- CAS NO.：556-03-6
- Empirical Formula: C9H11NO3
- Molecular Weight: 181.19
- MDL number: MFCD00063074
- EINECS: 209-113-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:27:07
What is DL-Tyrosine?
Chemical properties
white powder
The Uses of DL-Tyrosine
The tyrosine of this diet was labeled by adding to it an amount of synthetic, isotopic dl-tyrosine cor- responding to twice that already present in the food. Incorporation of total C14 into muscle protein was reduced in 186-day infected mice fed dl-tyrosine-2-C-14 as compared to muscle proteins obtained from noninfected animals.
Definition
ChEBI: Tyrosine is an alpha-amino acid that is phenylalanine bearing a hydroxy substituent at position 4 on the phenyl ring. It has a role as a Daphnia magna metabolite. It is an alpha-amino acid, a polar amino acid and an aromatic amino acid. It contains a 4-hydroxybenzyl group. It is functionally related to a propionic acid. It is a conjugate base of a tyrosinium. It is a conjugate acid of a tyrosinate(1-).
Properties of DL-Tyrosine
| Melting point: | ≥300 °C (lit.) |
| Boiling point: | 314.29°C (rough estimate) |
| Density | 1.2375 (rough estimate) |
| refractive index | 1.5270 (estimate) |
| storage temp. | Store at RT. |
| solubility | Aqueous Acid (Slightly), Methanol (Slightly), Water (Slightly) |
| pka | pK1:2.18(+1);pK2:9.11(0);pK3:10.6(OH) (25°C) |
| form | Crystalline |
| color | White to Off-White |
| Water Solubility | Soluble in water. |
| Merck | 14,9839 |
| BRN | 515881 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 556-03-6(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Amino-3-(4-hydroxyphenyl)-propanoic acid(556-03-6) |
| EPA Substance Registry System | Tyrosine (556-03-6) |
Safety information for DL-Tyrosine
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for DL-Tyrosine
New Products
Mirtazapine Impurity C/Mirtazapine Lactam Impurity N,O-Dimethylhydroxylamine hydrochloride Tetrabutylammonium perchlorate N,N CARBONYL DIIMIDAZOLE 2-Amino-5-bromo-4-(trifluoromethyl)pyridine（RM for Indian lab) (RS)-beta-Amino-beta-(4-bromophenyl)propionic acid (R)-1-Benzyl-3-pyrrolidinecarbonitrile N-Nitroso hydroxy Cetrizine EP Impurity-A Noradrenaline EP Impurity D/Noradrenaline Methyl Ether Cetirizine EP Impurity A/Cetirizine CBHP Impurity Lantanoprost rc B Clidinium Bromide Impurity 2,2'-(5-methyl-1,3-phenylene)-di(2-Methylpropionitrile) 1-methyl amino-2,4-dinitro benzene 5-Methyl-1,3-benzenediacetonitrile 4-Fluorothiophenol (R)-BoroLeu-(+)-Pinanediol-CF3COOH 4-(5-amino-1-methyl-1h-benzoimidazol-2-yl)-butyric acid isopropyl ester. 3,4 Diethoxy Benzylcyanide 2-Chloro Benzylcyanide 3-chlorobenzyl cyanide 3,4 Dimethoxy Benzylcyanide valeronitrile 4-Bromo BenzylcyanideRelated products of tetrahydrofuran
You may like
-
DL-Tyrosine CAS 556-03-6View Details
556-03-6 -
DL-Tyrosine CAS 556-03-6View Details
556-03-6 -
Dl-tyrosine 95% CAS 556-03-6View Details
556-03-6 -
DL-Tyrosine CAS 556-03-6View Details
556-03-6 -
192110-67-2 NLT 95%View Details
192110-67-2 -
Cetirizine EP Impurity A/Cetirizine CBHP Impurity NLT 95%View Details
59872-62-1 -
.2005-04-1 N-Nitroso hydroxy Cetrizine EP Impurity-A NLT 95%View Details
.2005-04-1 -
145773-22-1 Lantanoprost rc B NLT 95%View Details
145773-22-1
Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.