asia_oju-iwe

ọja

3-Bromo-5-nitrobenzoic acid (CAS # 6307-83-1)

Ohun-ini Kemikali:

Fọọmu Molecular C7H4BrNO4
Molar Mass 246.01
iwuwo 1.892± 0.06 g/cm3 (Asọtẹlẹ)
Ojuami Iyo 159-161°C
Ojuami Boling 376.8± 32.0 °C (Asọtẹlẹ)
Oju filaṣi 181.7°C
Vapor Presure 2.4E-06mmHg ni 25°C
Ifarahan Funfun si awọn kirisita ofeefee
Àwọ̀ Funfun to Light ofeefee to Light osan
BRN Ọdun 2051365
pKa 3.09± 0.10 (Asọtẹlẹ)
Ibi ipamọ Ipo Ti di ni gbigbẹ, Iwọn otutu yara
MDL MFCD00100098

Alaye ọja

ọja Tags

Awọn koodu ewu R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara.
R50 – Oloro pupọ si awọn oganisimu omi
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 / 37/39 - Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / oju.
S61 – Yago fun itusilẹ si ayika. Tọkasi awọn ilana pataki / awọn iwe data aabo.
S60 – Ohun elo yii ati ohun elo rẹ gbọdọ jẹ sọnu bi egbin eewu.
S36 / 37 - Wọ aṣọ aabo ati awọn ibọwọ to dara.
S37 - Wọ awọn ibọwọ ti o dara.
HS koodu 29163990
Kíláàsì ewu IKANU

 

Ọrọ Iṣaaju

3-Nitro-5-bromobenzoic acid (3-Bromo-5-nitrobenzoic acid) jẹ agbo-ara Organic pẹlu agbekalẹ kemikali C7H4BrNO4. Atẹle jẹ apejuwe ti awọn ohun-ini, awọn lilo, igbaradi ati alaye ailewu ti agbo:

Iseda:

-Irisi: 3-Nitro-5-bromobenzoic acid ni a ina ofeefee ri to.

-Yọ ojuami: nipa 220-225 ° C.

-Solubility: Irẹwẹsi kekere ninu omi, ṣugbọn tiotuka ninu awọn nkanmimu bii ethanol, chloroform ati dichloromethane.

-acid ati ipilẹ: jẹ acid alailagbara.

 

Lo:

-3-nitro-5-bromobenzoic acid ni a maa n lo bi agbedemeji ni iṣelọpọ Organic ati pe a lo ni igbaradi ti awọn agbo ogun miiran.

-O tun le ṣee lo lati ṣeto awọn agbo ogun gẹgẹbi awọn oogun, awọn awọ ati awọn aṣọ.

 

Ọna Igbaradi:

Igbaradi ti 3-nitro-5-bromobenzoic acid le pari nipasẹ awọn igbesẹ wọnyi:

1. 3-nitrobenzoic acid ni a gba nipasẹ iṣesi ti benzoic acid ati nitrous acid.

2. Ni iwaju bromide ferrous, 3-nitrobenzoic acid ti ṣe atunṣe pẹlu iṣuu soda bromide lati gba 3-nitro-5-bromobenzoic acid.

 

Alaye Abo:

3-Nitro-5-bromobenzoic acid jẹ ailewu ni gbogbogbo ni lilo to dara ati ibi ipamọ. Sibẹsibẹ, awọn ọran wọnyi tun nilo lati ṣe akiyesi:

-Yẹra fun ifarakan ara, ifasimu ati mimu lakoko iṣẹ.

- Wọ ohun elo aabo ti o yẹ gẹgẹbi awọn ibọwọ, awọn gilaasi, ati awọn apata oju nigba lilo.

-Ti o ba wa si olubasọrọ pẹlu yellow, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa itọju ilera.

- yẹ ki o wa ni ipamọ kuro ninu ina ati oxidant, ni itura, ibi gbigbẹ.

 

Akiyesi: Alaye ti o wa loke wa fun itọkasi nikan. Jọwọ tẹle awọn ilana aabo ti o yẹ nigbati o ba n ṣiṣẹ ni yàrá-yàrá, ki o kan si dì data aabo ti agbo-ara kan pato ti o ba jẹ dandan.


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