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mankhwala

3-Methyl-1-butanethiol (CAS#541-31-1)

Chemical Property:

Molecular Formula C5H12S
Molar Misa 104.21
Kuchulukana 0.835g/mLat 25°C(lat.)
Melting Point -133.51 ° C
Boling Point 120 ° C
Pophulikira 65°F
Nambala ya JECFA 513
Kuthamanga kwa Vapor 41.4 mm Hg (37.7 °C)
Maonekedwe Madzi
Mtundu Zowoneka bwino zopanda mtundu mpaka zachikasu pang'ono
Mtengo wa BRN 635659
pKa 10.41±0.10 (Zonenedweratu)
Mkhalidwe Wosungira Malo oyaka moto
Zomverera Zosamva mpweya
Refractive Index n20/D 1.4432(lit.)

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa R11 - Yoyaka Kwambiri
R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
R20/21/22 - Zowopsa pokoka mpweya, kukhudzana ndi khungu komanso kumeza.
Kufotokozera Zachitetezo S16 - Khalani kutali ndi magwero oyatsira.
S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S36 - Valani zovala zoyenera zodzitetezera.
S36/37/39 - Valani zovala zodzitchinjiriza zoyenera, magolovesi ndi chitetezo chamaso / kumaso.
Ma ID a UN UN 1228 3/PG 2
WGK Germany 3
TSCA Inde
HS kodi 29309090
Kalasi Yowopsa 3
Packing Group II

 

Mawu Oyamba

Isoprene mercaptan ndi organic pawiri. Makhalidwe ake ndi awa:

Ikhoza kusungunuka mu zosungunulira zambiri monga ma alcohols, ethers, ndi ma hydrocarbon.

 

2. Chemical properties: Isoprepent mercaptan ndi mankhwala ochepetsetsa kwambiri omwe amatha kuchitapo kanthu ndi mpweya kuti apange sulfure dioxide. Itha kukhalanso oxidized ndi klorini kupita ku isovaleric acid, kapena oxidized ndi okosijeni kukhala sulfuric acid. Isopentol ilinso ndi mawonekedwe owonjezera ndi mankhwala ena.

 

Kugwiritsa ntchito isoprene mercaptan:

 

1. Mankhwala opangira mankhwala: Isopentanol ndi mankhwala omwe amagwiritsidwa ntchito kwambiri pochepetsera ndi sulfiding, omwe amagwiritsidwa ntchito kwambiri mu organic synthesis ndi analytical chemistry.

 

2. Wothandizira masking onunkhira: fungo lake lamphamvu, isoprel mercaptan nthawi zambiri amagwiritsidwa ntchito ngati mankhwala kubisa fungo lina loipa, monga kuwonjezera kuchuluka kwa isoprene mercaptan ku gasi wachilengedwe kuti aphimbe fungo.

 

Pali njira zingapo zopangira isopreamyl mercaptan:

 

1. Wopangidwa kuchokera ku mowa wa vinilu: mowa wa vinilu umatenthedwa ndi sulfure kupanga isopentanol.

 

2. Kukonzekera kuchokera ku 15% -alcohol solution: high-purity isoprem mercaptan ikhoza kupezedwa ndi distilling, kuika ndi kusungunula njira ya mowa ndi hydrogen sulfide.

 

Mfundo zotsatirazi zachitetezo ziyenera kuganiziridwa mukamagwiritsa ntchito isopentanol:

 

1. Isopentan mercaptan ali ndi fungo lamphamvu ndipo sayenera kukhudzana mwachindunji ndi khungu, maso, ndi kupuma. Valani zida zodzitetezera zoyenera monga magolovesi, magalasi, ndi masks odzitetezera mukamagwiritsa ntchito.

 

2. Isopentol ili ndi malo otsika komanso oyaka, ndipo iyenera kusungidwa kutali ndi kuyatsa ndi kutentha kwakukulu. Pewani kukhudzana ndi malawi otseguka kapena zinthu zina zoyaka.

 

3. Isopentan mercaptan ndi chinthu chomwe chimawononga chilengedwe ndipo chimakhala ndi kuwonongeka kosauka kwachilengedwe, ndipo sichiyenera kutayidwa kumalo achilengedwe mwakufuna kwake, ndipo chiyenera kusamalidwa ndikutayidwa motsatira malamulo oyenerera.


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