asia_oju-iwe

ọja

2-Methyl-5-nitrobenzenesulfonamide (CAS # 6269-91-6)

Ohun-ini Kemikali:

Fọọmu Molecular C7H8N2O4S
Molar Mass 216.21
iwuwo 1.475± 0.06 g/cm3 (Asọtẹlẹ)
Ojuami Iyo Ọdun 197-199
Ojuami Boling 431.4± 55.0 °C (Asọtẹlẹ)
Oju filaṣi 214.7°C
Solubility Chloroform (Sparingly), kẹmika (Diẹ)
Vapor Presure 1.2E-07mmHg ni 25°C
Ifarahan ri to
Àwọ̀ Yellow to Dudu Yellow
pKa 9.56± 0.60 (Asọtẹlẹ)
Ibi ipamọ Ipo 2-8°C
Atọka Refractive 1.596

Alaye ọja

ọja Tags

Awọn aami ewu Xi - Irritant
Akọsilẹ ewu Irritant

 

Ọrọ Iṣaaju

O jẹ agbo-ara Organic pẹlu agbekalẹ C7H8N2O4S. O jẹ lulú kirisita funfun pẹlu acidity alailagbara. Atẹle jẹ apejuwe ti awọn ohun-ini, awọn lilo, igbaradi ati alaye ailewu ti agbo:

 

Iseda:

-Irisi: White kirisita lulú

-Molecular àdánù: 216.21g / mol

-yo ojuami: 168-170 ℃

-Solubility: Itukutu diẹ ninu omi, rọrun lati tu ni awọn nkan ti ara ẹni gẹgẹbi ethanol ati acetone.

-acid ati ipilẹ: acid alailagbara

 

Lo:

- ti wa ni o kun lo ninu Organic kolaginni bi ohun pataki reagent ati agbedemeji.

-O le ṣee lo lati ṣeto awọn kemikali gẹgẹbi awọn oogun, awọn awọ ati awọn ohun elo polima.

 

Ọna Igbaradi:

O le ṣepọ nipasẹ awọn igbesẹ wọnyi: br>1. Ni akọkọ, labẹ awọn ipo ifaseyin ti o yẹ, methyl bromide ati p-nitrobenzene sulfonamide ni a ṣe lati ṣe agbekalẹ methyl ester.

2. Lẹhinna, a ṣe atunṣe methyl ester pẹlu ojutu ipilẹ lati gba iyọ kan.

 

Alaye Abo:

- yẹ ki o wa ni ipamọ ni ibi gbigbẹ, aaye ti o ni afẹfẹ daradara, ki o si yago fun imọlẹ orun taara.

- Lakoko iṣẹ, yago fun olubasọrọ pẹlu awọ ara ati oju. Ti o ba farahan, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa itọju ilera.

- Wọ awọn ohun elo aabo ti ara ẹni ti o yẹ gẹgẹbi awọn ibọwọ, awọn gilaasi ailewu ati aṣọ aabo nigbati o ba n mu agbo naa mu.

-Maṣe dapọ agbo-ara yii pẹlu awọn oxidants lagbara ati awọn acids ti o lagbara, nitori pe o le fa awọn aati ti o lewu.

Ṣaaju lilo tabi mimu agbo, awọn ilana imọ-ẹrọ aabo ti a pese nipasẹ olupese yẹ ki o ka ni pẹkipẹki.


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