asia_oju-iwe

ọja

3-Bromo-4-chlorobenzoic acid (CAS# 42860-10-6)

Ohun-ini Kemikali:

Fọọmu Molecular C7H4BrClO2
Molar Mass 235.46
iwuwo 1.809± 0.06 g/cm3 (Asọtẹlẹ)
Ojuami Iyo 218-222°C (tan.)
Ojuami Boling 347.4± 27.0 °C (Asọtẹlẹ)
Ifarahan Lulú
Àwọ̀ Funfun si pa-funfun
BRN 2438796
pKa 3.58± 0.10 (Asọtẹlẹ)
Ibi ipamọ Ipo Ti di ni gbigbẹ, Iwọn otutu yara
MDL MFCD00079706

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.
S36 - Wọ aṣọ aabo to dara.
WGK Germany 3
HS koodu 29163990
Kíláàsì ewu IKANU

 

Ọrọ Iṣaaju

3-Bromo-4-chlorobenzoic acid(3-Bromo-4-chlorobenzoic acid) jẹ ẹya eleto pẹlu agbekalẹ kemikali C7H4BrClO2. Atẹle ni apejuwe ti iseda rẹ, lilo, igbaradi ati alaye ailewu:

 

Iseda:

-Irisi: 3-Bromo-4-chlorobenzoic acid ko ni awọ si crystalline yellowish.

-Solubility: O jẹ die-die tiotuka ninu omi ati tiotuka ni awọn ohun elo ti o ni imọran gẹgẹbi awọn ọti-lile, ethers ati awọn ketones.

-Iwọn aaye: nipa 170 ° C.

 

Lo:

3-Bromo-4-chlorobenzoic acid jẹ lilo pupọ ni iṣelọpọ Organic ati pe o ni awọn lilo pataki wọnyi:

-Bi agbedemeji: O le ṣee lo lati ṣajọpọ awọn agbo ogun Organic pẹlu awọn ohun-ini kemikali kan pato, gẹgẹbi awọn oogun, awọn awọ ati awọn ipakokoropaeku.

-Lo fun iṣelọpọ ti awọn ile-iṣẹ organometallic: O le ṣee lo bi ligand fun iṣelọpọ ti awọn agbo ogun organometallic.

 

Ọna Igbaradi:

3-Bromo-4-chlorobenzoic acid le wa ni pese sile nipasẹ awọn ọna wọnyi:

-le ti wa ni gba nipasẹ awọn lenu ti p-bromobenzoic acid pẹlu cuprous kiloraidi.

-O tun le gba nipa didaṣe p-bromobenzoic acid pẹlu silikoni tetrachloride tabi sulfuric acid kiloraidi.

 

Alaye Abo:

- 3-Bromo-4-chlorobenzoic acid jẹ ti diẹ ninu awọn kemikali, ati pe akiyesi yẹ ki o san si awọn igbese ṣiṣe ailewu.

Wọ awọn ohun elo aabo ti ara ẹni gẹgẹbi awọn goggles kemikali, awọn ibọwọ latex, ati awọn aṣọ laabu nigba lilo.

-Yago fun olubasọrọ pẹlu awọ ara ati oju, ki o si ṣọra lati yago fun ifasimu ati mimu.

-Ni ọran ti olubasọrọ lairotẹlẹ tabi ingestion, lẹsẹkẹsẹ nu agbegbe ti o kan ki o wa iranlọwọ iṣoogun.


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