asia_oju-iwe

ọja

(R) -2- (1-Hydroxyethyl) pyridine (CAS# 27911-63-3)

Ohun-ini Kemikali:

Fọọmu Molecular C7H9NO
Molar Mass 123.15
iwuwo 1.082± 0.06 g/cm3 (Asọtẹlẹ)
Ojuami Boling 210.6± 15.0 °C(Asọtẹlẹ)
Oju filaṣi 81.2°C
Omi Solubility Tiotuka ni ethanol ati omi.
Vapor Presure 0.113mmHg ni 25°C
Ifarahan Kirisita funfun
Àwọ̀ Pink
pKa 13.55± 0.20 (Asọtẹlẹ)
Ibi ipamọ Ipo Afẹfẹ inert,2-8°C
Atọka Refractive n20 / D 1.528

Alaye ọja

ọja Tags

Awọn aami ewu Xn – ipalara
Awọn koodu ewu R22 – Ipalara ti o ba gbe
R37 / 38 - Irritating si eto atẹgun ati awọ ara.
R41 - Ewu ti pataki ibaje si oju
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.
S39 - Wọ oju / aabo oju.
S37 / 39 - Wọ awọn ibọwọ ti o dara ati aabo oju / oju
WGK Germany 3
FLUKA BRAND F koodu 10
HS koodu 29333990

 

Ọrọ Iṣaaju

(R) -2- (1-hydroxyethyl) pyridine jẹ akojọpọ kemikali kan.

 

Didara:

(R) -2- (1-hydroxyethyl) pyridine jẹ awọ ti ko ni awọ si ina omi ofeefee. O ni olfato lata ati awọn ohun-ini ipilẹ. Apapo naa jẹ tiotuka ninu omi, awọn ọti-lile, ati awọn nkan ether.

 

Lo:

(R) -2- (1-hydroxyethyl) pyridine jẹ agbedemeji pataki ni iṣelọpọ Organic, eyiti a lo nigbagbogbo bi ayase, ligand tabi oluranlowo idinku ninu awọn aati iṣelọpọ Organic.

 

Ọna:

Ọna igbaradi ti (R) -2- (1-hydroxyethyl) pyridine ni gbogbogbo ti waye nipasẹ iṣelọpọ kemikali. Ọna kan ti o wọpọ ni lati ṣafikun ẹgbẹ hydroxyethyl kan si moleku pyridine lati ṣe stereoconfiguration ni ọwọ ọtun pẹlu ayase to dara ati awọn ipo. Ọna iyasọtọ pato le jẹ iṣapeye ati ilọsiwaju ni ibamu si awọn iwulo gangan.

 

Alaye Abo:

Profaili aabo ti (R) -2- (1-hydroxyethyl) pyridine ga, ṣugbọn awọn iṣọra ti ara ẹni lakoko mimu yẹ ki o tun ṣe akiyesi. Ni ọran ti olubasọrọ pẹlu awọ ara ati oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi. Yago fun ifasimu awọn gaasi tabi awọn eefin ati yan awọn ipo atẹgun ti o dara. Nigba lilo, yago fun olubasọrọ pẹlu lagbara oxidizing òjíṣẹ ati flammable oludoti lati yago fun ewu. Awọn iṣẹ ailewu pato yẹ ki o tẹle awọn itọnisọna aabo ti o yẹ tabi awọn itọnisọna imọ-ẹrọ fun awọn kemikali.


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