asia_oju-iwe

ọja

1- (trifluoroacetyl) -1H-imidazole (CAS # 1546-79-8)

Ohun-ini Kemikali:

Fọọmu Molecular C5H3F3N2O
Molar Mass 164.09
iwuwo 1.442g/mLat 25°C(tan.)
Ojuami Boling 137°C(tan.)
Oju filaṣi 113°F
Omi Solubility fesi
Specific Walẹ 1.442
BRN 608904
pKa 0.78± 0.10 (Asọtẹlẹ)
Ibi ipamọ Ipo 2-8°C
Ni imọlara Ọrinrin Sensitive
Atọka Refractive n20/D 1.424(tan.)

Alaye ọja

ọja Tags

Ewu ati Aabo

Awọn koodu ewu R10 - flammable
R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara.
R34 - Awọn okunfa sisun
R22 – Ipalara ti o ba gbe
Apejuwe Abo S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun.
S36 / 37 - Wọ aṣọ aabo ati awọn ibọwọ to dara.
S45 – Ni ọran ti ijamba tabi ti o ba ni ailara, wa imọran iṣoogun lẹsẹkẹsẹ (fi aami han nigbakugba ti o ṣee ṣe.)
S36 / 37/39 - Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / oju.
S16 – Jeki kuro lati awọn orisun ti iginisonu.
UN ID UN 1993 3/PG 3
WGK Germany 3
FLUKA BRAND F koodu 10-21
TSCA T
HS koodu 29332900
Akọsilẹ ewu Flammable/Ọrinrin Sensitive/ Jeki Tutu
Kíláàsì ewu 3
Iṣakojọpọ Ẹgbẹ III

 

Ọrọ Iṣaaju
N-trifluoroacetimidazole. O ni awọn ohun-ini wọnyi:

1. Ifarahan: N-trifluoroacetamidazole jẹ okuta ti ko ni awọ.
2. Solubility: O le ti wa ni tituka ni ọpọlọpọ awọn Organic epo, bi ethanol, ethyl acetate ati dimethylformamide, ati be be lo.
3. Iduroṣinṣin: N-trifluoroacetamidazole ni iduroṣinṣin to dara si ooru ati ina.

N-trifluoroacetimidazole ni a lo ni pataki ni aaye ti iṣelọpọ Organic ati pe a maa n lo bi reagent dida hydrofluorate fun awọn agbo ogun Organic. O le ṣee lo lati ṣe ina awọn orisirisi agbo ogun ti o ni awọn ẹgbẹ trifluoroacetyl, gẹgẹbi awọn ketones ati alcohols, enol ethers ati esters.

Awọn ọna igbaradi ti N-trifluoroacetamidazole jẹ pataki bi atẹle:
1. Chlorinate trifluoroacetic acid tabi iṣuu soda fluoride ti ṣe atunṣe pẹlu imidazole lati gba ọja ti o ni afojusun.
2. Trifluoroacetic anhydride ti ṣe atunṣe pẹlu imidazole labẹ awọn ipo ekikan lati ṣe N-trifluoroacetylimidazole.

1. Wọ awọn ibọwọ aabo ti o yẹ, awọn gilaasi aabo ati aṣọ aabo nigba lilo.
2. Yẹra fun fifun eruku rẹ tabi awọn atẹgun ati rii daju pe agbegbe ti nṣiṣẹ ti wa ni afẹfẹ daradara.
3. Yago fun olubasọrọ pẹlu awọ ara ati oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa itọju ilera.
4. Jeki kuro lati awọn orisun ina ati awọn oxidants ki o si pa wọn mọ nigbati o tọju.


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