asia_oju-iwe

ọja

N-alpha-(tert-Butoxycarbonyl)-L-lysine (CAS# 13734-28-6)

Ohun-ini Kemikali:

Fọọmu Molecular C11H22N2O4
Molar Mass 246.3
iwuwo 1.1313 (iṣiro ti o ni inira)
Ojuami Iyo ~205°C (oṣu kejila)(tan.)
Ojuami Boling 389.3°C (iṣiro ti o ni inira)
Yiyi pato (α) 22º (c=2, CH3OH)
Oju filaṣi 203.5°C
Omi Solubility Tiotuka ninu omi. Die-die tiotuka ni kẹmika.
Solubility Acid Acid (Diẹ), kẹmika (Diẹ, Sonicated), Omi (Diẹ, Kikan,
Vapor Presure 5.65E-08mmHg ni 25°C
Ifarahan White ri to
Àwọ̀ Funfun
BRN 4252546
pKa 3.92± 0.21 (Asọtẹlẹ)
Ibi ipamọ Ipo Tọju ni aaye dudu, Ti di ni gbigbẹ, Iwọn otutu yara
Ni imọlara Ifarabalẹ si ooru
Atọka Refractive 21.5 ° (C=2, MeOH)
MDL MFCD00038203

Alaye ọja

ọja Tags

Ewu ati Aabo

Awọn aami ewu Xn – ipalara
Awọn koodu ewu R20 / 21/22 - ipalara nipasẹ ifasimu, ni olubasọrọ pẹlu awọ ara ati ti o ba gbe.
R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara.
Apejuwe Abo S24/25 - Yago fun olubasọrọ pẹlu awọ ara ati oju.
S36 - Wọ aṣọ aabo to dara.
S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun.
WGK Germany 3
HS koodu 2924 19 00
Kíláàsì ewu IKANU

N-alpha-(tert-Butoxycarbonyl)-L-lysine (CAS# 13734-28-6) ifihan

N-Boc-L-lysine jẹ itọsẹ amino acid ti o ni ẹgbẹ aabo Boc (t-butoxycarbonyl) ninu eto rẹ. Atẹle jẹ ifihan si awọn ohun-ini, awọn lilo, awọn ọna igbaradi, ati alaye ailewu ti N-Boc-L-lysine:

iseda:
-Irisi: Funfun tabi pa funfun kirisita lulú
-Solubility: Dissolves ni wọpọ Organic solvents bi kẹmika, ethanol, ati dichloromethane.

Idi:
-O le ṣiṣẹ bi ẹgbẹ aabo fun L-lysine, aabo awọn amino tabi awọn ẹgbẹ carboxyl rẹ labẹ awọn ipo ifura kan lati ṣe idiwọ awọn aati ti ko wulo lati ṣẹlẹ.

Ọna iṣelọpọ:
-Idapọ ti N-Boc-L-lysine ni a gba ni akọkọ nipasẹ iṣeduro ẹgbẹ aabo ti L-lysine. Ọna igbaradi ti o wọpọ ni lati kọkọ ṣe L-lysine pẹlu Boc2O (t-butoxycarbonyl dicarboxylic anhydride) tabi Boc-ONH4 (t-butoxycarbonyl hydroxylamine hydrochloride) lati ṣe N-Boc-L-lysine pẹlu ẹgbẹ aabo ti Boc.

Alaye aabo:
-N-Boc-L-lysine jẹ kemikali, ati awọn iṣọra ailewu yẹ ki o mu nigba lilo rẹ, ati pe o yẹ ki o tẹle awọn itọnisọna ailewu ti o yẹ.
-O le jẹ irritating si awọ ara, oju, ati eto atẹgun, ati pe o yẹ ki o fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi lẹhin olubasọrọ.
-Nigbati mimu ati titoju, yago fun olubasọrọ pẹlu awọn oxidants, awọn ipilẹ ti o lagbara, ati awọn acids, yago fun ibi ipamọ nla, ati yago fun awọn iwọn otutu giga ati awọn orisun ina.
-Jọwọ mu ati sọ awọn kemikali aifẹ tabi ti pari ni ọna ti o pe lati dinku eewu idoti ayika.


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