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| IUPAC name : | (2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid |
| InChI : | InChI=1/C9H11NO3/c10-8(9(12)13)5-6-1-3-7(11)4-2-6/h1-4,8,11H,5,10H2,(H,12,13)/t8-/m0/s1 |
| InChIKey : | OUYCCCASQSFEME-QMMMGPOBBZ |
| SMILES : | C1=CC(=CC=C1C[C@@H](C(=O)O)N)O |
| cas number : | 60-18-4 |
| (EINECS) number : | 200-460-4 |
| beilstein number : | 0392441 |
| fema number : | 3736 |
| jecfa number : | 1434 |
| fl. number : | 17.022 |
| molar refractivity : | 47.37 ± 0.3 cm3 |
| parachor : | 386.8 ± 4.0 cm3 |
| index of refraction : | 1.614 ± 0.02 |
| surface tension : | 65.7 ± 3.0 dyne/cm |
| density : | 1.333 ± 0.06 g/cm3 |
| polarizability : | 18.78 ± 0.5 10-24cm3 |
| XlogP : | -1.80 |
| molecular weight : | 181.1885400 (IUPAC) |
| formula : | C9 H11 N O3 |
| BioActivity Analysis : | 121178 |
| NMR Predictor : | Predict |
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| export tariff code : | 2922.49.3800 |
| fda reg : | 172.320 |
Suppliers :
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| Ajinomoto : | L-TYROSINE
USP, EP |
| Penta : | l-tyrosine
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| SAFC Global® : | L-Tyrosine
≥97% |
organoleptics :
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| odor type : | odorless |
| odor strength : | none |
odor description: at 100.00 %. | odorless |
properties :
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| appearence : | white crystalline needles |
| assay : | 99.00 to 100.00 %
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| Food Chemicals Codex Listed : | No |
| melting point : | 342.00 to 344.00 °C. @ 760.00 mm Hg
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| flash point : | > 230.00 °F. TCC ( > 110.00 °C. )
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| logP (o/w) : | 0.38 |
safety :
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| most important hazard(s) : | Xi - Irritant |
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R 36/37/38 - Irritating to eyes, respiratory system, and skin. S 02 - Keep out of the reach of children. S 24/25 - Avoid contact with skin and eyes. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 36 - Wear suitable protective clothing.
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| Oral Toxicity(LD50) : | |
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Not determined
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| Dermal Toxicity(LD50) : | |
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Not determined
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| Inhalation Toxicity(LC50) : | |
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Not determined
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safety in use :
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| Category : | special dietary and nutritional additives |
| Maximised Survey-derived Daily Intakes (MSDI-EU) : | 10.00 (μg/capita/day) |
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| recommendation for laevo-tyrosine fragrance usage levels up to : |
| | not for fragrance use.
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safety references :
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| European Food Safety Athority(efsa) : | Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies... |
| EPI System : | view |
| ClinicalTrials.gov : | search |
| Daily Med : | search |
| NLM Hazardous Substances Data Bank : | search |
| Chemical Carcinogenesis Research Information System : | Search |
| AIDS Citations : | Search |
| Cancer Citations : | Search |
| Toxicology Citations : | Search |
| Env. Mutagen Info. Center : | Search |
| NLM Developmental and Reproductive Toxicity : | Search |
| Canada Domestic Sub. List : | Yes |
| EPA Chem. Sub. Inventory : | Yes |
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| WGK Germany : | 1 |
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| | (2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid |
| (EINECS) number : | 200-460-4 |
| RTECS : | YP2275600 for cas# 60-18-4 |
| chemidplus : | 055520406 |
| EPA Substance Registry Services : | 60-18-4 |
| dtp/nci : | 82624 |
references :
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| | (2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid |
| fl. number : | 17.022 |
| jecfa number : | 1434 |
| NIST Chemistry WebBook : | 60184 |
| pubchem : | 182188 |
Cosmetics :
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| Cosmetic uses : |
antistatic agents
hair conditioning
masking agents
skin conditioning
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other :
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| CosIng : | cosmetic data |
| Dietary Supplements Labels Database : | Search |
| FDA Everything Added to Food in the United States (EAFUS) | View |