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samfur

(S) -a-chloropropionic acid (CAS#29617-66-1)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C3H5ClO2
Molar Mass 108.52
Yawan yawa 1.249 g/ml a 25 °C (lit.)
Matsayin narkewa 4 °C
Matsayin Boling 77°C/10mmHg (lit.)
Takamaiman Juyawa (α) -14.5º (c=m)
Wurin Flash 140°F
Ruwan Solubility mai narkewa
Tashin Turi 5hPa da 20 ℃
Bayyanar Ruwa
Launi Bayyanannun rawaya mai haske
BRN 1720257
pKa 2.83 (a 25 ℃)
Yanayin Ajiya 2-8 ° C
Fihirisar Refractive n20/D 1.436
Amfani Domin kira na aromatic propionic acid herbicides

Cikakken Bayani

Tags samfurin

Alamomin haɗari C - Mai lalacewa
Lambobin haɗari R21/22 - Yana cutar da fata kuma idan an haɗiye shi.
R35 - Yana haifar da ƙonawa mai tsanani
R48/22 - Haɗari mai cutarwa na mummunan lahani ga lafiya ta hanyar ɗaukar dogon lokaci idan an haɗiye shi.
Bayanin Tsaro S23 - Kar a shaka tururi.
S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S28 - Bayan haɗuwa da fata, wanke nan da nan da sabulu-suds mai yawa.
S36 / 37/39 - Sanya tufafin kariya masu dacewa, safar hannu da kariya / ido / fuska.
S45 - Idan akwai haɗari ko kuma idan kun ji rashin lafiya, nemi shawarar likita nan da nan (nuna alamar a duk lokacin da zai yiwu.)
ID na UN UN 2511 8/PG 3
WGK Jamus 1
RTECS Farashin UA2451950
HS Code 29159080
Matsayin Hazard 8
Rukunin tattarawa III

 

Gabatarwa

S-(-)-2-chloropropionic acid wani abu ne na halitta. Mai zuwa shine gabatarwa ga kaddarorin sa, amfaninsa, hanyoyin masana'anta da bayanan aminci:

 

Properties: S-(-)-2-chloropropionic acid ruwa ne mara launi tare da ƙamshi mai ƙamshi. Yana da narkewa a cikin ruwa da ethanol kuma ba a iya narkewa a cikin ether. A cikin zafin jiki, yana da matsakaicin matsa lamba.

 

Amfani: S-(-)-2-chloropropionic acid ana yawan amfani dashi azaman reagent, mai kara kuzari da tsaka-tsaki a cikin haɗin kwayoyin halitta.

 

Hanyar shiri: Akwai manyan hanyoyin shirye-shirye guda biyu na S-(-)-2-chloropropionic acid. Hanya ɗaya ita ce samun gishirin sodium na S- (-) - 2-chloropropionate ta hanyar amsawar phenylsulfonyl chloride da sodium ethanol albutan, sannan a sanya shi acidity don samar da samfurin da aka yi niyya. Wata hanyar ita ce chlorinate ta hexanone da hydrogen chloride a gaban wani abu mai oxidant, sannan acidification don samun samfurin da aka yi niyya.

 

Bayanan tsaro: S-(-)-2-chloropropionic acid yana da ban haushi kuma ya kamata a guji shi a cikin hulɗa da fata da idanu. Ya kamata a sanya kayan kariya da suka dace, kamar safar hannu da tabarau, yayin aiki. Ajiye a wuri marar iska, nesa da wuta da oxidants.


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