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mankhwala

4-Amino-3 5-dichlorobenzotrifluoride (CAS# 24279-39-8)

Chemical Property:

Molecular Formula Chithunzi cha C7H4Cl2F3N
Molar Misa 230.01
Kuchulukana 1.532g/mLat 25°C(lat.)
Melting Point 34-36°C(lit.)
Boling Point 60-62°C1mm Hg(kuyatsa)
Pophulikira 190 ° F
Kusungunuka sungunuka mu Methanol
Kuthamanga kwa Vapor 0.241mmHg pa 25°C
Maonekedwe ufa kwa mtanda
Specific Gravity 1.532
Mtundu White mpaka Orange mpaka Green
Mtengo wa BRN 2838819
pKa -1.13±0.10(Zonenedweratu)
Mkhalidwe Wosungira Khalani pamalo amdima, M'mlengalenga, Kutentha kwachipinda
Refractive Index 1.518
Zakuthupi ndi Zamankhwala Kachulukidwe 1.532
kutentha kwa 33-36 ° C
kuwira 60-62°C (1 mmHg)
kutentha kwa 87°C
Gwiritsani ntchito Ntchito ngati mankhwala wapakatikati

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa R20/22 - Zowopsa pokoka mpweya komanso ngati zitamezedwa.
R38 - Zowawa pakhungu
R43 - Itha kuyambitsa chidwi pakukhudzana ndi khungu
R50/53 - Poizoni kwambiri kwa zamoyo zam'madzi, zitha kubweretsa zovuta kwanthawi yayitali m'malo am'madzi.
Kufotokozera Zachitetezo S24 - Pewani kukhudzana ndi khungu.
S37 - Valani magolovesi oyenera.
S60 - Zinthuzi ndi chidebe chake ziyenera kutayidwa ngati zinyalala zowopsa.
S61 - Pewani kumasulidwa ku chilengedwe. Onani malangizo apadera / mapepala achitetezo.
Ma ID a UN UN 3077 9/PG 3
WGK Germany 3
HS kodi 29214300
Zowopsa Zapoizoni
Kalasi Yowopsa 9
Packing Group III

 

Mawu Oyamba

2,6-Dichloro-4-trifluoromethylaniline, yemwenso amadziwika kuti DCPA, ndi organic pawiri. Zotsatirazi ndikuwulula za chilengedwe, kugwiritsa ntchito, njira yopangira komanso zambiri zachitetezo cha DCPA:

 

Ubwino:

- Ndiwopanda mtundu mpaka makristalo achikasu kapena zolimba zaufa.

- DCPA imakhala ndi kusinthasintha kochepa pa kutentha kwapakati.

- Sisungunuka m'madzi ndipo sisungunuka mu zosungunulira za organic.

 

Gwiritsani ntchito:

- DCPA imagwiritsidwa ntchito ngati zopangira komanso zapakatikati pamankhwala ophera tizilombo.

- Amagwiritsidwa ntchito kwambiri paulimi polimbana ndi udzu, bowa, tizirombo ndi matenda osiyanasiyana.

- DCPA itha kugwiritsidwanso ntchito ngati chokhazikitsira posungira kuti apititse patsogolo kupanga bwino ndikukulitsa moyo wabwino.

 

Njira:

- Pali njira zambiri zokonzekera DCPA, zomwe zimatha kupangidwa ndi zomwe aniline ndi trifluorocarboxic acid.

- Sungunulani aniline mu zosungunulira za mowa ndikuwonjezera pang'onopang'ono trifluoroformic acid.

- Kutentha kwazomwe zimachitika nthawi zambiri kumayendetsedwa pansi pa -20 ° C, ndipo nthawi yochitira ndi yaitali.

- Pamapeto pa zomwe zimachitika, DCPA imapezedwa poyanika ndikuyeretsa mankhwalawo.

 

Zambiri Zachitetezo:

- DCPA imatengedwa ngati mankhwala otsika kawopsedwe nthawi zambiri.

- Komabe, chisamaliro chiyenera kutengedwa kuti chigwiritsidwe ntchito ndikuchisunga mwanzeru, ndikupewa kukhudzana ndi khungu, maso ndi kupuma.

- Magolovesi odzitchinjiriza, mikanjo, ndi zida zotetezera kupuma ziyenera kuvalidwa pakagwiritsidwa ntchito.

Ngati mukufuna kugwiritsa ntchito DCPA, chitani motsogozedwa ndi katswiri.


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