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1,8-Octanediol (CAS#629-41-4)

Ngwongwo kemịkalụ:

Usoro ihe omimi C8H18O2
Molar Mass 146.23
Njupụta 1,053g/cm
Ebe Na-agbaze 57-61 Celsius C (ọkụ)
Ebe Boling 172 Celsius C/20 mmHg (ọkụ)
Ebe mgbari 148°C
Mmiri Solubility Soluble na mmiri na methanol.
Solubility Soluble na mmiri (akụkụ akụkụ), na methanol (fọrọ nke nta ka nghọta).
Uzuoku nrịbama 0.000507mmHg na 25°C
Ọdịdị Crystallization
Agba Gbanyụọ-ọcha ka ọ na-acha odo odo
BRN 1633499
pKa 14.89± 0.10 (buru amụma)
Ọnọdụ Nchekwa Emechiri ya na nkụ, Okpomọkụ ụlọ
Ntụgharị uche 1,438-1,44
MDL MFCD00002989
Njirimara anụ ahụ na kemịkalụ kristal yiri agịga. Ebe mgbaze nke 63 deg C, isi ihe na-esi ísì ụtọ nke 172 deg C (2.66kPa). Soluble na ethanol, ihe na-adịghị edozi na mmiri, ether, mmanụ ọkụ.
Jiri intermediates maka ịchọ mma, plasticizers, pụrụ iche mgbakwunye.

Nkọwa ngwaahịa

Mkpado ngwaahịa

Koodu ihe egwu R20/21/22 - na-emerụ ahụ site na iku ume, na kọntaktị na akpụkpọ ahụ ma ọ bụrụ na loro ya.
R36 / 37/38 - na-akpasu iwe na anya, usoro iku ume na akpụkpọ ahụ.
Nkọwapụta nchekwa S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
S37/39 - Yiri uwe aka kwesịrị ekwesị na nchebe anya / ihu
S24/25 - Zere kọntaktị na akpụkpọ ahụ na anya.
WGK Germany 3
Koodu HS 29053980

 

1,8-Octanediol (CAS # 629-41-4) Okwu mmalite

1,8-Octanediol bụ ngwakọta organic. Ihe na-esonụ bụ mmalite nke akụrụngwa, ojiji, ụzọ nkwadebe na ozi nchekwa nke 1,8-octandiol:

Ogo:
1,8-Caprylyl glycol bụ mmiri na-enweghị agba na nke na-enweghị atụ nke nwere ụtọ ụtọ. Ọ nwere obere uzuoku nrụgide na viscosity na ụlọ okpomọkụ na soluble na mmiri na ọtụtụ organic solvents.

Jiri:
1,8-Octanediol nwere ọtụtụ ngwa. A na-ejikarị ya eme ihe dị ka ihe eji eme ihe maka ndị na-eme ka ihe dị nro, ndị na-emepụta plastik na mmanụ mmanu.

Usoro:
1,8-Octanediol nwere ike kwadebere site na oxidation nke octanol. Usoro a na-ahụkarị bụ mmeghachi omume oxidation nke octanol na oxygen, bụ nke a na-ejikarị ọla kọpa-chromium eme ihe.

Ozi nchekwa:
1,8-Octanediol bụ ogige dị nchebe n'okpuru ọnọdụ izugbe. Ngosipụta ma ọ bụ iku ume nke 1,8-caprylydiol dị elu nwere ike ime ka iwe na anya, akpụkpọ ahụ, na akụkụ iku ume. Mgbe ị na-ejizi 1,8-octanediol, a ga-eyi iko nchebe, uwe aka na ihe mkpuchi iji hụ na ikuku dị mma. Kpachara anya ka ịzere kọntaktị na ihe ndị na-ekpo ọkụ siri ike na ihe mgbanye ọkụ iji gbochie ọkụ ma ọ bụ mgbawa. Mgbe ị na-echekwa ma na-ejikwa 1,8-caprylydiol, soro ụkpụrụ na ụkpụrụ ọrụ nchekwa dị mkpa.


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