L-(-)-티로신
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L-(-)-티로신 속성
- 녹는점
- >300 °C (dec.) (lit.)
- 끓는 점
- 314.29°C (rough estimate)
- 알파
- -11.65 º (c=5,DIL HCL/H2O 50/50)
- 밀도
- 1.34
- 굴절률
- -12 ° (C=5, 1mol/L HCl)
- FEMA
- 3736 | L-TYROSINE
- 인화점
- 176 °C
- 저장 조건
- Store below +30°C.
- 용해도
- 1 M HCl: 25 mg/mL
- 물리적 상태
- powder
- 산도 계수 (pKa)
- 2.2(at 25℃)
- 색상
- White to Pale-brown
- 수소이온지수(pH)
- 6.5 (0.1g/l, H2O)
- 냄새
- odorless
- ?? ??
- odorless
- optical activity
- [α]20/D 11.5±1.0°, c = 4% in 1 M HCl
- 수용성
- 0.45 g/L (25 ºC)
- JECFA Number
- 1434
- Merck
- 14,9839
- BRN
- 392441
- 안정성
- Stable. Incompatible with strong oxidizing agents, strong reducing agents.
- InChIKey
- OUYCCCASQSFEME-QMMMGPOBSA-N
- LogP
- 0.38
- CAS 데이터베이스
- 60-18-4(CAS DataBase Reference)
- NIST
- Tyrosine(60-18-4)
안전
- 위험 및 안전 성명
- 위험 및 사전주의 사항 (GHS)
| 위험품 표기 | Xi | ||
|---|---|---|---|
| 위험 카페고리 넘버 | 36/37/38-40 | ||
| 안전지침서 | 26-36-37/39-22 | ||
| WGK 독일 | 3 | ||
| RTECS 번호 | YP2275600 | ||
| TSCA | Yes | ||
| HS 번호 | 29225000 | ||
| 유해 물질 데이터 | 60-18-4(Hazardous Substances Data) | ||
| 독성 | LD50 orally in Rabbit: > 5110 mg/kg | ||
| 기존화학 물질 | KE-01396 |
L-(-)-티로신 C화학적 특성, 용도, 생산
화학적 성질
L-Tyrosine is odorless and has a bland taste. L-Tyrosine is a nonessential amino acid, as it is synthesized in the human body from phenylalanine. It is a precursor to epinephrine, norepinephrine and dopamine, three important neurotransmitters.출처
Reported found in white bread, macaroni, egg noodles, corn flakes, corn grits, oatmeal, wheat bran, wheat flakes, shredded wheat, barley brown rice, rye flour, whole grain wheat flour, buttermilk, blue cheese, cheddar cheese, cottage cheese, cream cheese, parmesan cheese, bacon, cured ham, frankfurters, pork sausage, canned red kidney beans, canned sweet corn, canned peas, canned lima beans, canned potatoes, almonds, cashews, peanuts, dates, beef, lamb, veal, chicken and turkey.용도
L-Tyrosine is one of the 22 proteinogenic amino acids that are used by cells to synthesize proteins. L-Tyrosine is biologically converted from L-phenylalanine and is in turn is converted to L-DOPA and further converted into the neurotransmitters: dopamine, norepinephrine, and epinephrine.정의
ChEBI: An optically active form of tyrosine having L-configuration.Safety Profile
An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits acrid smoke and irritating fumes.Purification Methods
Likely impurities are L-cysteine and the ammonium salt. L-Tyrosine is dissolved in dilute ammonia, then crystallised by adding dilute acetic acid to pH 5. Also, crystallise it from H2O or EtOH/H2O, and dry it at room temperature in a vacuum over P2O5. It sublimes at 235-240o/0.03mm with 99.2% recovery and unracemised [Gross & Gradsky J Am Chem Soc 77 1678 1955]. [Albert Biochem J 50 690 1952, Greenstein & Winitz The Chemistry of the Amino Acids J. Wiley, Vol 3 pp 2348-2366 1961, Beilstein 14 IV 2264.]L-(-)-티로신 준비 용품 및 원자재
원자재
Industrial hydrochloric acid
히드록실아파타이트
Boc-D-Tyr-OH
Α-PROTEIN
Hydrolyzate
실크
Syrup, NF
카세인
에틸렌다이아민테트라아세트산
준비 용품
L-(-)-티로신 공급 업체
글로벌( 891)공급 업체
| 공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
|---|---|---|---|---|---|
| Vertexyn (Nanjing) Bioworks Co., Ltd. | +86-025-58822206 +8617302513087 |
sales@vertexynbio.com | China | 28 | 58 |
| LEAP CHEM CO., LTD. | +86-852-30606658 |
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| Hebei Mingeng Biotechnology Co., Ltd | +86-19933070948 +86-19930599843 |
lisa@hbmingeng.com | China | 945 | 58 |
| DONBOO AMINO ACID COMPANY | +8613063595538 |
donboo@donboo.com | China | 9346 | 58 |
| Jiangxi Chiyan Biopharmaceutical Technology Co.,Ltd. | +undefined13970866816 |
info@zybiopharma.com | China | 246 | 58 |
| Baynoe Chem (Suzhou) Co., Ltd. | +86-512 65869404 +86-18934593683 |
sales06@baynoe.com | China | 292 | 58 |
| Hebei Mojin Biotechnology Co., Ltd | 15028179902 +8615028179902 |
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| Hebei Fengqiang Trading Co., LTD | +86-13373049370 +86-13373049370 |
kaia@hbfengqiang.com | China | 1000 | 58 |
| Sichuan HongRi Pharma-Tech Co.,Ltd | +86-028-64841719 +8618980456393 |
daisy@enlaibio.com | China | 1062 | 58 |
| Capot Chemical Co.,Ltd. | 571-85586718 +8613336195806 |
sales@capotchem.com | China | 29811 | 60 |