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samfur

4,4'-Isopropylidenediphenol CAS 80-05-7

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C15H16O2
Molar Mass 228.29
Yawan yawa 1.195
Matsayin narkewa 158-159°C (lit.)
Matsayin Boling 220°C4mm Hg(lit.)
Wurin Flash 227 ° C
Ruwan Solubility <0.1 g/100 ml a 21.5ºC
Solubility Mai narkewa a cikin maganin alkali, ethanol, acetone, acetic acid, ether da benzene, dan kadan mai narkewa a cikin carbon tetrachloride, kusan maras narkewa a cikin ruwa.
Tashin Turi <1 Pa (25 ° C)
Bayyanar Ƙananan fararen barbashi
Launi Bayyana haske rawaya zuwa haske orange
wari Phenol kamar
Merck 14,1297
BRN Farashin 1107700
pKa 10.29± 0.10 (An annabta)
Yanayin Ajiya Adana a ƙasa + 30 ° C.
Fihirisar Refractive 1.5542 (ƙididdiga)
MDL Saukewa: MFCD00002366
Abubuwan Jiki da Sinadarai Hali: Farar allura crystal ko foda mai laushi. Micro-band phenol wari.
Matsayin narkewa 155 ~ 158 ℃
tafasar batu 250 ~ 252 ℃
girman dangi 1.195
79.4 ℃
mai narkewa a cikin ethanol, acetone, ether, benzene da dilute alkali bayani, micro-soluble a carbon tetrachloride, kusan insoluble a cikin ruwa.
Amfani Ana amfani da shi azaman muhimmin albarkatun ƙasa don kayan aikin roba na polymer, kuma ana amfani dashi don maganin tsufa, filastik, magungunan kashe qwari, da sauransu.

Cikakken Bayani

Tags samfurin

Alamomin haɗari Xn - Mai cutarwa
Lambobin haɗari R37 - Mai ban haushi ga tsarin numfashi
R41 - Hadarin mummunan lalacewa ga idanu
R43 - Yana iya haifar da hankali ta hanyar saduwa da fata
R62 - Haɗarin da zai yuwu na rashin haihuwa
R52 - Yana cutar da halittun ruwa
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.)
S46 - Idan an haɗiye, nemi shawarar likita nan da nan kuma nuna wannan akwati ko lakabin.
S39 – Sa ido/kariyar fuska.
S36/37 - Sanya tufafin kariya da safar hannu masu dacewa.
S61 - Guji saki zuwa yanayi. Koma zuwa umarni na musamman / takaddun bayanan aminci.
ID na UN UN 3077 9 / PGIII
WGK Jamus 2
RTECS Saukewa: SL630000
Farashin TSCA Ee
HS Code Farashin 29072300
Guba LC50 (96 hr) a cikin mai kitse minnow, kifin bakan gizo: 4600, 3000-3500 mg/l (Staples)

 

Gabatarwa

gabatar
amfani
Ana amfani da shi wajen kera nau'ikan kayan polymer, kamar guduro epoxy, polycarbonate, polysulfone da guduro mai phenolic unsaturated. Hakanan ana amfani dashi a cikin kera na'urori masu zafi na polyvinyl chloride, antioxidants roba, fungicides na aikin gona, antioxidants da filastik don fenti da tawada, da sauransu.

tsaro
Amintattun bayanai
Rashin guba bai kai na phenols ba, kuma abu ne mai ƙarancin guba. bera na baka LD50 4200mg/kg. Lokacin da guba, za ku ji dacin baki, ciwon kai, fushi ga fata, sassan numfashi, da cornea. Masu aiki yakamata su sanya kayan kariya, kayan aikin samarwa yakamata a rufe, kuma wurin aiki yakamata ya kasance da iskar iska.
Ana cika shi a cikin ganga na katako, ganguna na ƙarfe ko buhuna da aka jera da buhunan robobi, kuma nauyin kowace ganga (jakar) ya kai 25kg ko 30kg. Ya kamata ya zama mai hana wuta, mai hana ruwa da fashewa yayin ajiya da sufuri. Ya kamata a sanya shi a wuri mai bushe da iska. Ana adanawa da jigilar shi bisa ga tanadin sinadarai na gabaɗaya.

Takaitaccen gabatarwa
Bisphenol A (BPA) wani abu ne na kwayoyin halitta. Bisphenol A ba shi da launi zuwa rawaya mai ƙarfi wanda ke narkewa a cikin kaushi na halitta kamar ketones da esters.
Hanyar gama gari don shirye-shiryen bisphenol A shine ta hanyar haɓakar phenols da aldehydes, gabaɗaya ta amfani da abubuwan haɓaka acidic. A lokacin shirye-shiryen shirye-shiryen, yanayin amsawa da zaɓin mai haɓakawa yana buƙatar sarrafawa don samun samfuran bisphenol A mai tsabta.

Bayanin Tsaro: Ana ɗaukar Bisphenol A a matsayin mai guba kuma mai yuwuwar cutarwa ga muhalli. Nazarin ya nuna cewa BPA na iya samun tasiri mai tasiri akan tsarin endocrin kuma ana tunanin yana da mummunar tasiri akan tsarin haihuwa, jin tsoro da kuma rigakafi. Tsawon lokaci mai tsawo ga BPA na iya haifar da mummunan tasiri ga ci gaban jarirai da yara.


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