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ngwaahịa

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

Ngwongwo kemịkalụ:

Usoro ihe omimi C15H16O2
Molar Mass 228.29
Njupụta 1.195
Ebe Na-agbaze 158-159C (ọkụ)
Ebe Boling 220°C4mm Hg(ọkụ)
Ebe mgbari 227 Celsius C
Mmiri Solubility <0.1 g/100 ml na 21.5ºC
Solubility Soluble na alkali ngwọta, ethanol, acetone, acetic acid, ether na benzene, ubé soluble na carbon tetrachloride, fọrọ nke nta insoluble na mmiri.
Uzuoku nrịbama <1 pac (25 Celsius)
Ọdịdị Obere ihe ọcha
Agba Kpochapụ ọkụ na-acha odo odo gaa na oroma
Isi Dị ka phenol
Merck 14,1297
BRN 1107700
pKa 10.29± 0.10 (buru amụma)
Ọnọdụ Nchekwa Chekwaa n'okpuru +30 Celsius.
Ntụgharị ntụgharị uche 1.5542 (atụmatụ)
MDL MFCD00002366
Njirimara anụ ahụ na kemịkalụ agwa: kristal agịga ọcha ma ọ bụ ntụ ntụ. Micro-band phenol isi.
ebe agbaze 155 ~ 158 ℃
esi esi 250 ~ 252 ℃
njupụta ikwu 1.195
flash point 79.4 ℃
soluble na ethanol, acetone, ether, benzene na dilute alkali solution, micro-soluble na carbon tetrachloride, fọrọ nke nta ka ọ ghara ịsolu na mmiri.
Jiri A na-eji ya dị ka ihe dị mkpa maka ihe ndị na-emepụta polymer, ma na-ejikwa ya maka ndị na-egbochi ịka nká, plasticizers, pesticide fungicides, wdg.

Nkọwa ngwaahịa

Mkpado ngwaahịa

Akara egwu Xn - na-emerụ ahụ
Koodu ihe egwu R37 - na-akpasu iwe na usoro iku ume
R41 - Ihe ize ndụ nke mmebi anya dị njọ
R43 - nwere ike ịkpata nghọta site na kọntaktị akpụkpọ ahụ
R62 - Ihe ize ndụ nwere ike ime nke ọmụmụ adịghị mma
R52 - na-emerụ ihe ndị dị n'ime mmiri
Nkọwapụta nchekwa S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
S36 / 37/39 - Yiri uwe nchebe kwesịrị ekwesị, uwe aka na nchebe anya / ihu.
S45 - Ọ bụrụ na ihe mberede ma ọ bụ ọ bụrụ na ahụ adịghị gị mma, chọọ ndụmọdụ ahụike ozugbo (gosi akara ahụ mgbe ọ bụla enwere ike.)
S46 - Ọ bụrụ na iloro, chọọ ndụmọdụ ahụike ozugbo wee gosi akpa ma ọ bụ akara a.
S39 - Yiri anya / nchedo ihu.
S36/37 - Yiri uwe nchebe kwesịrị ekwesị na uwe aka.
S61 – Zere ntọhapụ na gburugburu ebe obibi. Rụtụ aka na ntuziaka pụrụ iche / mpempe data nchekwa.
NJ UN UN 3077 9 / PGIII
WGK Germany 2
RTECS SL630000
TSCA Ee
Koodu HS 29072300
Nsi LC50 (awa 96) n'ime ọdụdụ abụba, trout egwurugwu: 4600, 3000-3500 mg/l (Staples)

 

Okwu mmalite

ewebata
jiri
A na-eji ya na-emepụta ihe dị iche iche nke polymer, dị ka resin epoxy, polycarbonate, polysulfone na phenolic unsaturated resin. A na-ejikwa ya na-emepụta polyvinyl chloride okpomọkụ stabilizers, roba antioxidants, ugbo fungicides, antioxidants na plasticizers maka agba na inks, wdg.

nche
Data tụkwasịrị obi
Ihe na-egbu egbu dị obere karịa nke phenols, ọ bụkwa ihe na-egbu egbu. oke ọnụ LD50 4200mg/kg. Mgbe ị na-egbu egbu, ị ga-enwe mmetụta dị ilu, isi ọwụwa, mgbakasị ahụ na akpụkpọ ahụ, traktị iku ume, na cornea. Ndị na-arụ ọrụ kwesịrị iyi ngwá ọrụ nchebe, ngwá ọrụ mmepụta kwesịrị imechi, na ebe a na-arụ ọrụ kwesịrị inwe ikuku nke ọma.
A na-ejupụta ya na gbọmgbọm osisi, drọm ígwè ma ọ bụ akpa e ji akpa rọba kpuchie ya, na nha ụgbụ nke gbọmgbọm (akpa) ọ bụla bụ 25kg ma ọ bụ 30kg. Ọ kwesịrị ịbụ ọkụ na-adịghị, mmiri na-ekpuchi mmiri na mgbawa n'oge nchekwa na njem. Ekwesịrị itinye ya na ebe akọrọ na ikuku. A na-echekwa ma na-ebufe ya dịka ndokwa nke kemịkalụ izugbe si dị.

Okwu mmeghe dị nkenke
Bisphenol A (BPA) bụ ngwakọta organic. Bisphenol A bụ ihe siri ike na-enweghị agba na-acha odo odo nke na-agbaze na ihe mgbaze organic dị ka ketones na esters.
Usoro a na-emekarị maka nkwadebe nke bisphenol A bụ site na mmeghachi omume condensation nke phenols na aldehydes, na-ejikarị eme ihe acidic. N'oge usoro nkwadebe, ọnọdụ mmeghachi omume na nhọrọ nke onye na-emepụta ihe kwesịrị ịchịkwa iji nweta ngwaahịa bisphenol A dị elu.

Ozi nchekwa: A na-ewere Bisphenol A dị ka ihe na-egbu egbu ma nwee ike imerụ gburugburu ebe obibi. Nnyocha egosiwo na BPA nwere ike inwe mmetụta na-akpaghasị usoro endocrine ma na-eche na ọ nwere mmetụta ọjọọ na usoro ọmụmụ, ụjọ na usoro ahụ ji alụso ọrịa ọgụ. Ikpughe ogologo oge na BPA nwere ike inwe mmetụta na-adịghị mma na mmepe nke ụmụ ọhụrụ na ụmụaka.


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