L-Tyrosine (CAS# 60-18-4)

Ohun-ini Kemikali:

Fọọmu Molecular	C9H11NO3
Molar Mass	181.19
iwuwo	1.34
Ojuami Iyo	290℃
Ojuami Boling	314.29°C (iṣiro ti o ni inira)
Yiyi pato (α)	-11.65 ° (C=5,DIL HCL/H2O 50/50)
Oju filaṣi	176 ℃
Omi Solubility	0.45 g/L (25℃)
Solubility	Insoluble ninu omi (0.04%, 25°C), insoluble in idi ethanol, ether ati acetone, tiotuka ni dilute acid tabi alkali.
Ifarahan	Morphological lulú
Àwọ̀	Funfun to Bia-brown
Merck	14,9839
BRN	392441
pKa	2.2 (ni iwọn 25 ℃)
PH	6.5 (0.1g/l, H2O)
Ibi ipamọ Ipo	Fipamọ ni isalẹ + 30 ° C.
Iduroṣinṣin	Idurosinsin. Ibamu pẹlu awọn aṣoju oxidizing ti o lagbara, awọn aṣoju idinku ti o lagbara.
Ni imọlara	Ifarabalẹ si imọlẹ
Atọka Refractive	-12 ° (C=5, 1mol/LH
MDL	MFCD00002606
Ti ara ati Kemikali Properties	Ọja naa jẹ abẹrẹ ti o dara bi gara tabi lulú kirisita. Oju yo ≥ 300 °c. 342 ~ 344 iwọn C ibajẹ. Ni ibagbepo pẹlu awọn hydrocarbons jẹ diẹ sii ni ifaragba si ibajẹ. iwuwo 1.456g / cm3. pK'₁2.20;pK'₂9.11;pK₃10.07. Yiyi opitika -10.6 °(c = 4 ni 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 ninu omi (g/100ml): 0.02 (0 °c); 0.045 (25 iwọn C); 0.105 (50). iwọn C);0.244(75 iwọn C);0.565(100 iwọn C). Tiotuka ni aqueous alkali ojutu. Insoluble ni didoju Organic olomi, gẹgẹ bi awọn ethanol, ether, acetone, ati be be lo.
Lo	Fun asa ti ara (L-tyrosine · 2Na · H2O), awọn reagents biokemika, itọju ti hyperthyroidism. Tun le ṣee lo bi modulation ti awọn agbalagba, ounjẹ ọmọde ati ounjẹ foliar ọgbin, ati bẹbẹ lọ

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ọja Tags

Awọn aami ewu	Xi - Irritant
Awọn koodu ewu	R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara.
Apejuwe Abo	S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. S36 - Wọ aṣọ aabo to dara.
WGK Germany	3
RTECS	YP2275600
TSCA	Bẹẹni
HS koodu	29225000
Oloro	LD50 ẹnu ni Ehoro:> 5110 mg/kg

Ọrọ Iṣaaju

L-tyrosine jẹ amino acid ti ko ṣe pataki pẹlu awọn ẹwọn ẹgbẹ pola. Awọn sẹẹli le lo lati ṣepọ awọn ọlọjẹ ti o ṣe ipa kan ninu gbigbe ifihan agbara. L-tyrosine jẹ amino acid amuaradagba ti o ṣe bi olugba ti phosphogroup ti o gbe nipasẹ kinase.

Ti tẹlẹ: L-2-Aminobutyric acid hydrochloride (CAS# 5959-29-5)

Itele: D-Threonine methyl ester hydrochloride (CAS# 60538-15-0)

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