asia_oju-iwe

ọja

2 2-Difluorobenzodioxole-5-carboxylic acid (CAS# 656-46-2)

Ohun-ini Kemikali:

Fọọmu Molecular C8H4F2O4
Molar Mass 202.11
iwuwo 1.66±0.1 g/cm3(Asọtẹlẹ)
Ojuami Iyo 178
Ojuami Boling 266.1 ± 40.0 °C (Asọtẹlẹ)
Oju filaṣi 114.7°C
Solubility DMSO (Diẹ), kẹmika (Diẹ)
Vapor Presure 0.0044mmHg ni 25°C
Ifarahan ri to
Àwọ̀ Funfun to Pa-White
pKa 4.01± 0.40 (Asọtẹlẹ)
Ibi ipamọ Ipo labẹ gaasi inert (nitrogen tabi argon) ni 2-8 ° C
MDL MFCD00792417

Alaye ọja

ọja Tags

Awọn koodu ewu R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara.
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 - Wọ aṣọ aabo to dara.
Akọsilẹ ewu Irritant

 

Ọrọ Iṣaaju

2,2-Difluoro-1, acid jẹ ẹya Organic yellow. Eyi ni diẹ ninu alaye nipa rẹ:

 

Awọn ohun-ini: 2,2-Difluoro-1, fluorid jẹ ipilẹ funfun kan. Ilana molikula rẹ jẹ C9H4F2O4 ati iwuwo molikula rẹ jẹ 200.12g/mol. O jẹ iduroṣinṣin ni iwọn otutu yara ati pe o ni solubility kekere.

 

Nlo: 2,2-Difluoro-1, ti a lo bi ohun elo aise ati reagent ninu iwadii kemikali ati iṣelọpọ Organic. O le ṣee lo lati ṣepọ awọn agbo ogun Organic miiran, gẹgẹbi awọn agbedemeji elegbogi, awọn ipakokoropaeku ati awọn awọ.

 

ọna igbaradi: 2,2-Difluoro-1, ọna igbaradi ti acid jẹ diẹ idiju. Ọna igbaradi ti o wọpọ ni a gba nipasẹ ifoyina ti benzodioxene, atẹle nipa iṣesi pẹlu oluranlowo fluorinating labẹ awọn ipo ti o yẹ lati ṣafihan atomu fluorine kan.

 

Alaye aabo: Lọwọlọwọ, alaye ailewu lopin wa nipa 2,2-Difluoro-1, UV acid. A ko ṣe iwadi rẹ lọpọlọpọ, nitorinaa majele ati ewu rẹ ko loye daradara. Lakoko lilo, o jẹ dandan lati tẹle awọn ilana aabo yàrá kemikali gbogbogbo lati rii daju iṣiṣẹ ailewu, ati yago fun ifasimu, olubasọrọ pẹlu awọ ara ati oju. Ṣaaju lilo, o gba ọ niyanju lati loye iwe data aabo ti agbo ni awọn alaye ati mu awọn iwọn aabo ti o yẹ ti o da lori igbelewọn eewu rẹ.


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