asia_oju-iwe

ọja

2- (Trifluoromethoxy) benzoic acid (CAS# 1979-29-9)

Ohun-ini Kemikali:

Fọọmu Molecular C8H5F3O3
Molar Mass 206.12
iwuwo 1.447±0.06 g/cm3(Asọtẹlẹ)
Ojuami Iyo 78 °C
Ojuami Boling 231.6± 35.0 °C (Asọtẹlẹ)
Oju filaṣi 93.9°C
Solubility tiotuka ni kẹmika
Vapor Presure 0.0345mmHg ni 25°C
Ifarahan lulú to gara
Àwọ̀ Funfun to Fere funfun
BRN 2645481
pKa 2.89± 0.36 (Asọtẹlẹ)
Ibi ipamọ Ipo Ti di ni gbigbẹ, Iwọn otutu yara
MDL MFCD00052325

Alaye ọja

ọja Tags

Ewu ati Aabo

Awọn koodu ewu R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara.
R36 - Irritating si awọn oju
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 / 37/39 - Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / oju.
S37 / 39 - Wọ awọn ibọwọ ti o dara ati aabo oju / oju
S37 - Wọ awọn ibọwọ ti o dara.
WGK Germany 3
HS koodu 29189900
Akọsilẹ ewu Irritant

 

 

 

2-(Trifluoromethoxy) benzoic acid (CAS# 1979-29-9) Iṣaaju

2- (trifluoromethoxy) benzoic acid (ti a pe ni TFMPA) jẹ agbo-ara Organic. Atẹle jẹ apejuwe ti iseda, lilo, agbekalẹ ati alaye aabo ti TFMPA: Iseda:
TFMPA jẹ kirisita ti ko ni awọ, tiotuka ninu awọn nkan ti o nfo Organic gẹgẹbi benzene ati ethanol. O ni acidity to lagbara ati ifoyina, ati pe o ni itara si omi.

Lo:
TFMPA ni lilo pupọ bi ayase acid, oxidant ati ayase fun esterification ni iṣelọpọ Organic. O le ṣe igbelaruge ilọsiwaju ti iṣesi kemikali ati ilọsiwaju yiyan ati ikore ti iṣesi.

Ọna:
Igbaradi ti TFMPA nigbagbogbo ni a ṣe nipasẹ iṣesi-igbesẹ pupọ. Ọna kan ti igbaradi ti o wọpọ jẹ nipa didaṣe trifluoromethane pẹlu chloromethylbenzene lati ṣe agbejade 2-chloromethyl-3- (trifluoromethoxy) benzene (CF3CH2OH) ati sobusitireti ifasẹyin. Lẹhinna, sobusitireti ifaseyin naa jẹ ifesi pẹlu aṣoju oxidizing lati gba TFMPA.

Alaye Abo:
Iṣiṣẹ ailewu ti TFMPA yẹ ki o tẹle awọn ilana aabo ti yàrá. Nitori acidity rẹ ati ifoyina, o yẹ ki o yago fun olubasọrọ pẹlu awọn ohun elo flammable, awọn olomi Organic ati awọn gaasi ijona. Ohun elo aabo ti ara ẹni ti o yẹ gẹgẹbi awọn ibọwọ lab, awọn goggles ati awọn aṣọ lab yẹ ki o wọ lakoko iṣẹ. Ni akoko kanna, o yẹ ki o ṣiṣẹ ni agbegbe ti o ni afẹfẹ daradara lati ṣe idiwọ ikojọpọ awọn gaasi ipalara.


  • Ti tẹlẹ:
  • Itele:

  • Kọ ifiranṣẹ rẹ nibi ki o si fi si wa