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4-Chloro-3-hydroxybenzotrifluoride (CAS# 40889-91-6)

Chemical Property:

Molecular Formula C7H4ClF3O
Molar Misa 196.55
Kuchulukana 1.459g/mLat 25°C(lat.)
Boling Point 87-88°C38mm Hg(kuyatsa)
Pophulikira 115°F
Kuthamanga kwa Vapor 32mmHg pa 25°C
Specific Gravity 1.459
Malire Owonetsera ACGIH: TWA 2.5 mg/m3NIOSH: IDLH 250 mg/m3
Mtengo wa BRN 2094176
pKa 7.49±0.10 (Zonenedweratu)
Mkhalidwe Wosungira 2-8 ° C
Refractive Index n20/D 1.473(lit.)
MDL Mtengo wa MFCD00019995
Zakuthupi ndi Zamankhwala Mafuta otumbululuka achikasu

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xi - Zosangalatsa
Zizindikiro Zowopsa R10 - Yoyaka
R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
Kufotokozera Zachitetezo S16 - Khalani kutali ndi magwero oyatsira.
S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S36/37/39 - Valani zovala zodzitchinjiriza zoyenera, magolovesi ndi chitetezo chamaso / kumaso.
Ma ID a UN UN 1993 3/PG 3
WGK Germany 3
HS kodi 29081990
Zowopsa Zokwiyitsa
Kalasi Yowopsa 3
Packing Group III

 

Mawu Oyamba

4-Chloro-3-hydroxytrifluorotoluene ndi organic pawiri. Makhalidwe ake ndi awa:

 

1. Maonekedwe: 4-chloro-3-hydroxytrifluorotoluene ndi madzi opanda mtundu mpaka kuwala achikasu.

2. Solubility: Imakhala ndi kusungunuka kochepa m'madzi ndipo imatha kusungunuka muzitsulo za organic monga ether, alcohols, etc.

3. Kukhazikika: Simakhazikika ku kuwala, kutentha, ndi mpweya.

 

4-Chloro-3-hydroxytrifluorotoluene ili ndi ntchito zosiyanasiyana pamakampani opanga mankhwala, kuphatikiza:

1. Monga stabilizer: kapangidwe kake ka maselo kamakhala ndi magulu a hydroxyl ndi maatomu a fluorine, zomwe zimapangitsa kuti azikhala okhazikika komanso oletsa antioxidant, ndipo angagwiritsidwe ntchito ngati stabilizer m'minda ya pulasitiki, mphira, utoto ndi zokutira.

2. Monga reagent: Itha kugwiritsidwa ntchito ngati reagent mu kaphatikizidwe ka organic, mwachitsanzo, popanga zinthu za fluorinated.

 

Njira yokonzekera 4-chloro-3-hydroxytrifluorotoluene ndi motere:

Njira yokonzekera yodziwika bwino imapezedwa pochita trifluorotoluene ndi thionyl chloride. Masitepe enieni akuphatikizapo zomwe trifluorotoluene ndi thionyl chloride pansi pazifukwa zoyenera, zotsatiridwa ndi hydrochlorination kupeza 4-chloro-3-hydroxytrifluorotoluene.

 

Zambiri Zachitetezo:

2. Pewani kukhudzana mwachindunji ndi ma oxidizing amphamvu kuti mupewe zoopsa.

3. Mukamagwiritsa ntchito ndi kusunga, pewani moto ndi malo otentha kwambiri, ndipo sungani pamalo ozizira, owuma.

4. Valani zida zodzitetezera zoyenera monga magolovesi, magalasi, ndi zovala zodzitetezera mukamagwiritsa ntchito.

 


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