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umkhiqizo

1-Pentanethiol (CAS#110-66-7)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C5H12S
I-Molar Mass 104.21
Ukuminyana 0.84 g/mL ku-25 °C (okhanyisiwe)
I-Melting Point -76°C
I-Boling Point 126 °C (okhanyisiwe)
I-Flash Point 65°F
Inombolo ye-JECFA 1662
Ukuncibilika kwamanzi cishe engancibiliki
Ukuncibilika 0.16g/l
I-Vapor Presure 27.4 mm Hg ( 37.7 °C)
I-Vapor Density 3.59
Ukubukeka uketshezi
Umbala Uketshezi olumhlophe lwamanzi ukuya kophuzi
Umkhawulo Wokuchayeka I-NIOSH: Isilingi 0.5 ppm(2.1 mg/m3)
I-Merck 14,611
I-BRN 1730979
pKa 10.51±0.10(Okubikezelwe)
Isimo Sesitoreji Gcina ngaphansi kuka +30°C.
Kuyazwela Kuyazwela emoyeni
I-Refractive Index n20/D 1.446(lit.)

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi I-R11 – Ivutha Kakhulu
U-R20/22 – Kuyingozi ngokuhogela umoya futhi uma ugwinyiwe.
R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha S16 – Zigcine kude nemithombo yokuthungela.
S23 – Ungawuphefumuli umhwamuko.
I-S24/25 - Gwema ukuthintana nesikhumba namehlo.
I-S37/39 – Gqoka amagilavu ​​afanelekile kanye nokuvikela iso/ubuso
S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
Ama-ID e-UN UN 1111 3/PG 2
I-WGK Germany 3
I-RTECS SA3150000
AMAKHODI E-FLUKA BRAND F 9-13-23
I-TSCA Yebo
Ikhodi ye-HS 29309090
I-Hazard Class 3
Iqembu Lokupakisha II
Ubuthi I-LCLo ihl-rat: 2000 ppm/4H JIHTAB 31,343,49

 

Isingeniso

I-1-Penyl mercaptan (eyaziwa nangokuthi i-hexanethiol) iyinhlanganisela ye-organosulfur. Iwuketshezi olungenambala oluncibilika emanzini nasezincibilikisini ezivamile ezifana ne-ethanol ne-ether.

 

I-1-Pentomercaptan inephunga elimnandi elinamandla, elifana nelikagalikhi. Okunye ukusetshenziswa kwayo okuyinhloko njengendawo ephakathi ku-organic synthesis. Ingasetshenziselwa ukuhlanganisa izinhlanganisela ezihlukahlukene ze-organosulfur ezifana nama-thioesters, ama-thioethers, ama-thioethers, njll. I-1-Penyl mercaptan ingasetshenziswa njenge-ejenti yokunciphisa, i-catalyst kanye ne-stabilizer ekuphenduleni kwe-organic synthesis.

 

Izindlela zokulungiselela ze-1-pentyl mercaptan zimi kanje:

1. I-1-pentyl mercaptan ingalungiswa ngokusabela i-1-chlorohexane nge-sodium hydrosulfide (NaSH).

2. Ingatholakala futhi ngokusabela kwe-caproic acid ne-hydrogen sulfide (H2S) noma i-sodium sulfide (Na2S).

 

Ulwazi lokuphepha lwe-1-pentathiol: Ikhemikhali enokhahlo engase ibangele ukucasuka esikhumbeni, emehlweni, nasendleleni yokuphefumula. Lapho usebenzisa, kufanele kuqashelwe ukugwema ukuthintana nesikhumba namehlo, futhi uqinisekise ukuthi isetshenziswa endaweni enomoya omuhle. Izinto zokuzivikela ezifanele ezifana namagilavu, izibuko zokuphepha, nezinto zokuzivikela eziphefumulayo kufanele zigqokwe lapho zisetshenziswa. Esimeni sokuchayeka ngengozi noma ukuhogela, indawo ethintekile kufanele igezwe ngokushesha ngamanzi ahlanzekile futhi kufuneke ukunakekelwa kwezempilo ngokushesha. Lapho ugcina, i-1-pentylmercaptan kufanele igcinwe esitsheni esingangeni moya, kude nokuvutha kanye nama-oxidants.


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