asia_oju-iwe

ọja

4- (Trifluoromethoxy) benzoic acid (CAS # 330-12-1)

Ohun-ini Kemikali:

Fọọmu Molecular C8H5F3O3
Molar Mass 206.12
iwuwo 1.4251 (iṣiro)
Ojuami Iyo 150-154°C(tan.)
Ojuami Boling 203°C (iṣiro ti o ni inira)
Oju filaṣi 93°C
Solubility Chloroform, kẹmika
Vapor Presure 0.0373mmHg ni 25°C
Ifarahan Lulú
Àwọ̀ Funfun si ipara
BRN 977356
pKa 3.85± 0.10 (Asọtẹlẹ)
Ibi ipamọ Ipo Ti di ni gbigbẹ, Iwọn otutu yara
Atọka Refractive 1.478
MDL MFCD00002541

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.
S37 / 39 - Wọ awọn ibọwọ ti o dara ati aabo oju / oju
WGK Germany 3
HS koodu 29189900
Kíláàsì ewu IKANU

 

Ọrọ Iṣaaju

4- (Trifluoromethoxy) benzoic acid jẹ ẹya Organic yellow. Atẹle jẹ ifihan si iseda rẹ, lilo, ọna igbaradi ati alaye aabo:

 

Didara:

- Irisi: 4- (trifluoromethoxy) benzoic acid jẹ kristali ti ko ni awọ.

- Solubility: Soluble ni Organic epo bi ether ati methylene kiloraidi.

- Iduroṣinṣin: Iduroṣinṣin ni iwọn otutu yara, ṣugbọn yago fun olubasọrọ pẹlu awọn oxidants to lagbara.

 

Lo:

- 4- (trifluoromethoxy) benzoic acid ni a lo nigbagbogbo bi reagent ninu awọn aati iṣelọpọ Organic.

- O le ṣee lo bi ẹgbẹ aabo trifluoromethoxy fun awọn agbo ogun aldehyde aromatic.

 

Ọna:

- Ọpọlọpọ awọn ọna igbaradi fun 4- (trifluoromethoxy) benzoic acid, ati ọkan ninu awọn ọna ti o wọpọ ni lati fesi 4-hydroxybenzoic acid pẹlu ọti trifluoromethyl lati ṣe agbejade ọja ibi-afẹde.

 

Alaye Abo:

- Ekuru ti 4- (trifluoromethoxy) benzoic acid le jẹ irritating si atẹgun atẹgun ati oju, ati ifasimu ati olubasọrọ pẹlu awọn oju yẹ ki o yago fun.

- Wọ ohun elo aabo ti o yẹ, gẹgẹbi awọn ibọwọ ati awọn oju aabo, nigbati o nṣiṣẹ.

- Nigbati o ba tọju ati mimu, adaṣe yàrá to dara ati awọn itọnisọna ailewu yẹ ki o tẹle.


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