asia_oju-iwe

ọja

2 3-Difluorobenzoic acid (CAS# 4519-39-5)

Ohun-ini Kemikali:

Fọọmu Molecular C7H4F2O2
Molar Mass 158.1
iwuwo 1.3486 (iṣiro)
Ojuami Iyo 163-165°C (tan.)
Ojuami Boling 248.1 ± 20.0 °C (Asọtẹlẹ)
Oju filaṣi 103.9°C
Omi Solubility die-die tiotuka
Vapor Presure 0.0131mmHg ni 25°C
Ifarahan Crystalline lulú
BRN 2640781
pKa 2.93± 0.10 (Asọtẹlẹ)
Ibi ipamọ Ipo Ti di ni gbigbẹ, Iwọn otutu yara
MDL MFCD00010267

Alaye ọja

ọja Tags

Awọn aami ewu Xi - Irritant
Awọn koodu ewu R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara.
R37 / 38 - Irritating si eto atẹgun ati awọ ara.
R36 - Irritating si awọn oju
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
Kíláàsì ewu IKANU

 

Ọrọ Iṣaaju

2,3-Difluorobenzoic acid jẹ ẹya Organic yellow. Atẹle jẹ ifihan si awọn ohun-ini, awọn lilo, awọn ọna igbaradi ati alaye ailewu ti 2,3-difluorobenzoic acid:

 

Didara:

- Irisi: Alailowaya kirisita ti o lagbara

 

Lo:

 

Ọna:

- 2,3-Difluorobenzoic acid le wa ni pese sile nipa fluorinating paraben. Awọn aṣoju fluorinating gẹgẹbi hydrofluoric acid ati ferrous fluoride ni a lo nigbagbogbo.

 

Alaye Abo:

- Yago fun olubasọrọ pẹlu awọ ara, oju, ati awọn membran mucous, ki o si fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ti o ba kan si.

- Nigbati o ba tọju ati mimu, yago fun olubasọrọ pẹlu oxidants ati awọn acids ti o lagbara, ati yago fun ifihan si ooru ati ina.

- Ti o ba jẹ dandan, kan si alamọja kẹmika kan fun alaye aabo diẹ sii.


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