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samfur

(R) -tetrahydrofuran-2-carboxylic acid (CAS#87392-05-0)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta C5H8O3
Molar Mass 116.12
Yawan yawa 1.209g/mLat 25°C(lit.)
Matsayin Boling 128-129°C13mm Hg(lit.)
Takamaiman Juyawa (α) +19.6±0.2°(m) (D/20℃)
Wurin Flash >230°F
Tashin Turi 0.0107mmHg a 25°C
Bayyanar ruwa mai tsabta
Launi Mara launi zuwa rawaya mai haske
BRN 4658739
pKa 3.60± 0.20 (An annabta)
Yanayin Ajiya Ajiye a cikin duhu wuri, Rufe a bushe, Zazzabin ɗaki
Fihirisar Refractive n20/D 1.46 (lit.)

Cikakken Bayani

Tags samfurin

Lambobin haɗari R22 - Yana cutarwa idan an haɗiye shi
R34 - Yana haifar da konewa
R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata.
Bayanin Tsaro S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
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.)
S36 - Sanya tufafin kariya masu dacewa.
ID na UN UN 3265 8/PG 3
WGK Jamus 3
HS Code 29321900
Matsayin Hazard 8
Rukunin tattarawa III

 

Gabatarwa

R-(+) tetrahydrofuranoic acid. Mai zuwa shine gabatarwa ga wasu kaddarorin, amfani, hanyoyin shiri da bayanan aminci na R-(+) tetrahydrofuranoic acid:

 

inganci:

- R-(+) tetrahydrofuranoic acid mara launi ne zuwa kodadde rawaya mai ƙarfi tare da ɗanɗano mai tsami na musamman.

- Yana narkewa cikin ruwa kuma yana bayyana azaman ruwa tare da jujjuyawar gani a zafin jiki.

- Yana iya amsawa tare da wasu mahadi kamar esterification, condensation, raguwa, da dai sauransu.

 

Amfani:

- R- (+) tetrahydrofuranoic acid kuma ana amfani dashi a cikin shirye-shiryen sauran mahadi na halitta, misali a cikin haɗar robobi na biodegradable kamar polylactic acid.

 

Hanya:

- R- (+) tetrahydrofuranoic acid za a iya shirya ta hanyoyi daban-daban irin su rabuwa na gani, raguwar sinadarai, da hanyoyin enzymatic.

- Rabuwar gani hanya ce ta shirye-shirye da aka saba amfani da ita don ware wasu isomers na D-lactate ta zaɓin ƙwayoyin cuta masu dacewa ko enzymes.

 

Bayanin Tsaro:

- R- (+) tetrahydrofuranoic acid ba shi da lafiya a ƙarƙashin yanayin amfani na yau da kullun.

- Tuntuɓar dogon lokaci na iya haifar da haushi ga fata da idanu, kuma yakamata a ɗauki matakan kiyayewa yayin da ake sarrafa su.

- Lokacin adanawa da sarrafawa, ya kamata a kiyaye hanyoyin aminci da suka dace da su sosai, kuma a guji tuntuɓar magunguna masu ƙarfi da kayan ƙonewa.


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