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khoom

L-Tyrosine CAS Nr 60-18-4

Chemical Property:

Molecular Formula C9H11NO3
Molar Mass 181.19 Nws
Qhov ntom 1.34 ib
Melting Point 290 ℃
Boling Point 314.29°C (kev kwv yees kwv yees)
Kev sib hloov tshwj xeeb (α) -11.65 ° (C = 5, DIL HCL / H2O 50/50)
Flash Point 176 ℃
Dej Solubility 0.45 g / L (25 ℃)
Solubility Insoluble nyob rau hauv dej (0.04%, 25 ° C), insoluble nyob rau hauv kiag li ethanol, ether thiab acetone, soluble nyob rau hauv dilute acid los yog alkali.
Qhov tshwm sim Morphological hmoov
Xim Dawb rau daj-xim av
Merck 14, 9839 ib
BRN 392441 ib
pKa 2.2 (ntawm 25 ℃)
PH 6.5 (0.1g / l, H2O)
Kev cia khoom Khaws hauv qab +30 ° C.
Kev ruaj ntseg ruaj khov. Incompatible nrog muaj zog oxidizing tus neeg sawv cev, muaj zog txo cov neeg ua haujlwm.
rhiab heev Sensitive rau lub teeb
Refractive Index -12 ° C = 5, 1 mol / LH
MDL PAB 00002606
Physical thiab Chemical Properties Cov khoom yog mercerized zoo koob zoo li siv lead ua los yog crystalline hmoov. Melting point ≥ 300 ° C. 342-344 ° C decomposition. Nyob rau hauv lub coexistence nrog hydrocarbons yog ntau susceptible rau decomposition. Qhov ceev 1.456g / cm3. pK'12.20; KWG29.11; npo.310.07 Nws. Kev sib hloov kho qhov muag -10.6 ° (c = 4 hauv 1mol / L HCl); -13.2 ° (c = 4,3mol / L NaOH). -12.3 ° ± 0.5 °, -11.0 ° ± 0.5 ° (c = 4, 1 mol / L HCl) solubility hauv dej (g / 100ml): 0.02 (0 ° c); 0.045 (25 ° C); 0.105 (50) ° C); 0.244 (75 ° C); 0.565 (100 ° C). Soluble nyob rau hauv aqueous alkali kua. Insoluble nyob rau hauv nruab nrab organic solvents, xws li ethanol, ether, acetone, thiab lwm yam.
Siv Rau cov ntaub so ntswg kab lis kev cai (L-tyrosine · 2Na · H2O), biochemical reagents, kho hyperthyroidism. Kuj tseem siv tau los ua kev hloov pauv ntawm cov neeg laus, cov menyuam yaus cov zaub mov thiab cov zaub mov cog foliar, thiab lwm yam

Product Detail

Khoom cim npe

Hazard Cov Cim Xi-xaj
Risk Codes R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij.
Kev nyab xeeb piav qhia S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
S36 - Hnav khaub ncaws tiv thaiv zoo.
WGK Germany 3
RTECS wb 2275600
TSCA Yog lawm
HS Code 29225 000 Nws
Toxicity LD50 qhov ncauj hauv Luav:> 5110 mg / kg

 

Taw qhia

L-tyrosine yog ib qho tsis tseem ceeb amino acid nrog cov kab nrib pleb sab. Cells tuaj yeem siv nws los tsim cov proteins uas ua lub luag haujlwm hauv kev xa cov teeb liab. L-tyrosine yog ib tug proteogenic amino acid uas ua raws li ib tug txais ntawm phosphogroup kis los ntawm lub kinase.


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  • Sau koj cov lus ntawm no thiab xa tuaj rau peb