asia_oju-iwe

ọja

4-Nitrobenzhydrazide (CAS # 636-97-5)

Ohun-ini Kemikali:

Ilana molikula C7H7N3O3
Molar Mass 181.15
iwuwo 1.3539 (iṣiro ti o ni inira)
Ojuami Iyo 210-214 °C
Boling Point 292.97°C (iṣiro ti o ni inira)
Solubility acetone: soluble0.5g/10 milimita, ko o, ofeefee
Ifarahan kirisita
Àwọ̀ Yellow
O pọju igbi (λmax) ['267nm']
BRN 519882
pKa 2.77, 11.17 (ni 25℃)
Atọka Refractive 1.5860 (iṣiro)

Alaye ọja

ọja Tags

Awọn koodu ewu R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara.
R20 / 21/22 - ipalara nipasẹ ifasimu, ni olubasọrọ pẹlu awọ ara ati ti o ba gbe.
Apejuwe Abo S36 / 37/39 - Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / oju.
S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun.
S37 / 39 - Wọ awọn ibọwọ ti o dara ati aabo oju / oju
WGK Germany 3
RTECS DH5670000
TSCA Bẹẹni
HS koodu 29280000
Kíláàsì ewu IKANU

 

Ifaara

4-nitrobenzoylhydrazide jẹ agbo-ara Organic.

 

Didara:

4-Nitrobenzoylhydrazide jẹ awọ ofeefee si osan kirisita ti o lagbara ti o jẹ tiotuka ninu chloroform, ethanol, ati awọn olomi ekikan, ati pe o fẹrẹ jẹ insoluble ninu omi. O jẹ flammable ati bugbamu ati pe o yẹ ki o ṣe itọju pẹlu iṣọra.

 

Lo:

4-nitrobenzoylhydrazide jẹ reagent kemikali kan ti o jẹ igbagbogbo lo bi isunmọ idapọmọra, reagent amination ati reagent cyanide ni iṣelọpọ Organic.

 

Ọna:

Ọna igbaradi ti 4-nitrobenzoylhydrazide nigbagbogbo nlo ifaseyin ti benzaldehyde ati hydrogen amonia, eyiti o jẹ nitrified lati ṣe ina 4-nitrobenzaldehyde, ati lẹhinna 4-nitrobenzoylhydrazide gba nipasẹ idahun idinku.

 

Alaye Abo:

4-Nitrobenzoylhydrazide ni ewu nla ti bugbamu ati pe o yẹ ki o ṣe itọju lati yago fun olubasọrọ taara pẹlu awọ ara ati ifasimu. Awọn iṣọra ti o yẹ yẹ ki o mu lakoko mimu ati ibi ipamọ lati rii daju aabo. Ni ifarabalẹ ni oye alaye aabo ti o yẹ ṣaaju lilo: tẹle ọna ti o tọ ti mimu ati lilo.


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