asia_oju-iwe

ọja

2-Bromo-5-nitrobenzoic acid (CAS # 943-14-6)

Ohun-ini Kemikali:

Fọọmu Molecular C7H4BrNO4
Molar Mass 246.01
iwuwo 2.0176 (iṣiro ti o ni inira)
Ojuami Iyo 180-181°C (tan.)
Ojuami Boling 370.5± 32.0 °C(Asọtẹlẹ)
Oju filaṣi 177.8°C
Solubility Chloroform, kẹmika
Vapor Presure 3.83E-06mmHg ni 25°C
Ifarahan Lulú
Àwọ̀ Imọlẹ alagara si brown bia
BRN 980242
pKa 2.15± 0.10 (Asọtẹlẹ)
Ibi ipamọ Ipo Iwọn otutu yara
Atọka Refractive 1.6200 (iṣiro)
MDL MFCD00134558

Alaye ọja

ọja Tags

Awọn aami ewu Xi - Irritant
Awọn koodu ewu 36/37/38 - 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.
S37 / 39 - Wọ awọn ibọwọ ti o dara ati aabo oju / oju
WGK Germany 3
HS koodu 29163990

 

Ọrọ Iṣaaju

2-Bromo-5-nitrobenzoic acid jẹ agbo-ara Organic pẹlu agbekalẹ kemikali C7H4BrNO4. Atẹle ni apejuwe ti iseda rẹ, lilo, igbaradi ati alaye ailewu:

 

Iseda:

- 2-Bromo-5-nitrobenzoic acid jẹ kirisita ti o lagbara ofeefee, ti ko ni olfato.

-O jẹ insoluble ninu omi ni iwọn otutu yara, ṣugbọn tiotuka ninu awọn nkan ti o wa ni erupẹ Organic gẹgẹbi ethanol, chloroform ati dimethyl sulfoxide.

-O ni iwọn iduroṣinṣin kan, ṣugbọn o le dahun ni iwaju awọn oxidants ti o lagbara.

 

Lo:

- 2-Bromo-5-nitrobenzoic acid ni igbagbogbo lo bi agbedemeji pataki ni awọn aati iṣelọpọ Organic.

-It le fesi pẹlu miiran agbo lati dagba titun Organic agbo.

-O tun le ṣee lo lati ṣeto awọn awọ-awọ Fuluorisenti, awọn ipakokoropaeku ati awọn kemikali elegbogi.

 

Ọna:

- 2-Bromo-5-nitrobenzoic acid le ṣe pese sile nipasẹ awọn igbesẹ wọnyi:

1. benzoic acid ni a ṣe pẹlu nitric acid ti o ni idojukọ lati gba nitrobenzoic acid.

2. fifi bromine kun lati ṣe pẹlu nitrobenzoic acid labẹ awọn ipo ti o yẹ lati ṣe ina 2-Bromo-5-nitrobenzoic acid.

 

Alaye Abo:

-2-Bromo-5-nitrobenzoic acid jẹ ẹya Organic yellow, ati akiyesi yẹ ki o wa san si awọn oniwe-majele ti.

-Ninu isẹ, yẹ ki o wọ aabo gilaasi ati ibọwọ, yago fun ara olubasọrọ.

-Ṣiṣẹ ni agbegbe ti o ni afẹfẹ daradara lati yago fun fifami eruku tabi gaasi lati nkan naa.

- Ti o ba jẹ iwọn apọju ti nkan na ni asise tabi fa simu, kan si dokita kan lẹsẹkẹsẹ ki o sọ fun dokita ipo naa.

- Jeki kuro lati ina ati ooru ati ki o tọju ni itura kan, gbẹ ibi.


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