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(2E) -2-Butene-1 4-diol (CAS# 821-11-4)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C4H8O2
Molar Mass 88.11
Yawan yawa 1.07g/mLat 25°C(lit.)
Matsayin narkewa 7°C (lit.)
Matsayin Boling 131.5°C12mm Hg(lit.)
Wurin Flash >230°F
Solubility Chloroform, DMSO, methanol (dan kadan)
Bayyanar Mara Launi zuwa Mai Kashe-Farin zuwa Tsayi Tsari
Launi Fari ko Launi zuwa rawaya
pKa 13.88± 0.10 (An annabta)
Yanayin Ajiya 2-8 ° C
Fihirisar Refractive n20/D 1.478(lit.)
MDL Saukewa: MFCD00063207
Amfani Wannan samfurin don binciken kimiyya ne kawai kuma ba za a yi amfani da shi don wasu dalilai ba.

Cikakken Bayani

Tags samfurin

Alamomin haɗari Xn - cutarwa
Lambobin haɗari R22 - Yana cutarwa idan an haɗiye shi
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 - Sanya tufafin kariya masu dacewa.
S24/25 - Guji hulɗa da fata da idanu.
WGK Jamus 1
RTECS Saukewa: EM4970000
FLUKA BRAND F CODES 23
HS Code Farashin 29052900

 

Gabatarwa

(2E) -2-Butene-1,4-diol, kuma aka sani da (2E) -2-Butene-1,4-diol, wani fili ne na kwayoyin halitta. Mai zuwa shine bayanin yanayinsa, amfaninsa, shirye-shiryensa da bayanan aminci:

 

Hali:

(2E) -2-Butene-1,4-diol ruwa ne mara launi ko kodadde rawaya mai wari na musamman. Tsarin sinadaransa shine C4H8O2 kuma nauyin kwayoyin sa shine 88.11g/mol. Yana da yawa na 1.057g/cm³, wurin tafasa na 225-230 digiri Celsius, kuma yana narkewa a cikin kaushi na gama gari kamar ruwa, ethanol da ether.

 

Amfani:

(2E) -2-Butene-1,4-diol yana da amfani da yawa a cikin masana'antar sinadarai. Ana iya amfani da shi azaman tsaka-tsaki a cikin haɗin gwiwar kwayoyin halitta, don shirye-shiryen resins na roba, kayan haɓaka masu tasowa, dyes da magungunan magunguna da sauran mahadi. Bugu da kari, shi ma za a iya amfani da a matsayin sauran ƙarfi da kuma surfactant a masana'antu.

 

Hanyar Shiri:

Ana iya aiwatar da shirye-shiryen (2E) -2-Butene-1,4-diol ta hanyoyi daban-daban. Wata hanya ta gama gari ita ce ta raguwar Butenedioic acid. Wannan ragi na iya amfani da wakili mai ragewa kamar hydrogen da mai kara kuzari, ko mai rage amsawa kamar sodium hydride ko sulfoxide.

 

Bayanin Tsaro:

(2E) -2-Butene-1,4-diol fili ne mai ingantacciyar lafiya a ƙarƙashin yanayin amfani. Duk da haka, a matsayin sinadari, yana iya haifar da wani lahani ga jikin ɗan adam. Tuntuɓar fata, idanu ko shakar tururi na iya haifar da haushi da ciwon ido. Sabili da haka, lokacin sarrafawa da amfani da (2E) -2-Butene-1,4-diol, yakamata a ɗauki matakan tsaro da suka dace, kamar sanya safar hannu na kariya da kayan kariya na ido, da tabbatar da yanayin aiki mai iska. A lokaci guda kuma, ya kamata a nisantar da shi daga wuta kuma a guje wa hulɗa da abubuwa masu ƙarfi. Nemi kulawar likita nan da nan idan kun taɓa ko cin abinci da gangan.


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