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umkhiqizo

I-Benzyl Mercaptan (CAS#100-53-8)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C7H8S
I-Molar Mass 124.2
Ukuminyana 1.058 g/mL ku-25 °C (okhanyisiwe)
I-Melting Point -29 °C
I-Boling Point 194-195 °C (okhanyisiwe)
I-Flash Point 158°F
Inombolo ye-JECFA 526
Ukuncibilika kwamanzi Ayihlangani noma kunzima ukuyixuba emanzini.
I-Vapor Presure 0.591mmHg ku-25°C
I-Vapor Density >4 (vs air)
Ukubukeka Uketshezi
Umbala Kucace kungenambala ukuya kokuphuzi ngokukhanyayo
I-Merck 14,9322
I-BRN 605864
pKa 9.43(ku-25℃)
Isimo Sesitoreji 2-8°C
Ukuzinza Izinzile. Okuvuthayo.
Kuyazwela Kuyazwela emoyeni
Umkhawulo Oqhumayo 1%(V)
I-Refractive Index n20/D 1.575(lit.)
Izakhiwo Zomzimba Nezamakhemikhali Izici zoketshezi olungenambala, kukhona iphunga lika-anyanisi.
iphoyinti abilayo 194 ~ 195 ℃
ukuminyana okuhlobene 1.058g/cm3
Ukuncibilika okungancibiliki emanzini, kuncibilika ku-ethanol, ether, kuncibilika ku-carbon disulfide.
Sebenzisa Isetshenziswa njenge-pesticide, i-intermediate yezemithi

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi I-R22 – Iyingozi uma igwinywe
R23 – Ubuthi ngokuhogela
R50/53 – Kunobuthi kakhulu ezintweni eziphila emanzini, kungabangela imiphumela emibi yesikhathi eside endaweni yasemanzini.
Incazelo Yokuphepha S23 – Ungawuphefumuli umhwamuko.
S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela iso/ubuso.
S45 – Uma kwenzeka ingozi noma uzizwa ungaphilile, funa iseluleko sezokwelapha ngokushesha (bonisa ilebula noma nini lapho kunokwenzeka.)
I-S61 - Gwema ukudedelwa endaweni. Bheka imiyalelo ekhethekile / amaphepha edatha okuphepha.
S60 – Le nto kanye nesiqukathi sayo kumele kulahlwe njengemfucuza eyingozi.
Ama-ID e-UN 2810
I-WGK Germany 3
I-RTECS XT8650000
AMAKHODI E-FLUKA BRAND F 10-13-23
I-TSCA Yebo
Ikhodi ye-HS 29309090
Inothi Lengozi Kuyingozi/Lachrymator
I-Hazard Class 6.1
Iqembu Lokupakisha III

 

Isingeniso

I-Benzyl mercaptan iyinhlanganisela yezinto eziphilayo, futhi okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha lwe-benzyl mercaptan:

 

Ikhwalithi:

1. Ukubukeka nephunga: I-Benzyl mercaptan iwuketshezi olungenambala kuya kokuphuzi okuphaphathekile olunephunga elibi elifana nelephunga elibi.

2. Ukunyibilika: Iyancibilika kuzincibilikisi eziphilayo njenge-ether notshwala, futhi inyibilika kancane emanzini.

3. Ukuzinza: I-Benzyl mercaptan izinzile ku-oksijini, ama-acids nama-alkali, kodwa i-oxidized kalula ngesikhathi sokugcina nokushisa.

 

Sebenzisa:

Njengempahla eluhlaza yokuhlanganiswa kwamakhemikhali: i-benzyl mercaptan ingasetshenziswa ekuphenduleni kwe-organic synthesis, njenge-ejenti yokunciphisa, i-sulfiding agent kanye ne-reagent ku-organic synthesis.

 

Indlela:

Kunezindlela ezimbalwa zokulungiselela i-benzyl mercaptan, futhi nazi izindlela ezimbili ezivame ukusetshenziswa:

1. Indlela ye-catechol: i-catechol ne-sodium sulfide ziyasabela ukukhiqiza i-benzyl mercaptan.

2. Indlela yotshwala ye-Benzyl: I-Benzyl mercaptan ihlanganiswa ngokusabela i-benzyl alcohol ne-sodium hydrosulfide.

 

Ulwazi Lokuphepha:

1. Umthelela ocasulayo esikhumbeni nasemasweni: I-Benzyl mercaptan ingabangela ukucasuka nokuba bomvu uma ihlangana nesikhumba. Uma ihlangana namehlo, ingabangela ukusha.

2. Gwema i-oxidation ngesikhathi sokuthutha nokugcinwa: I-Benzyl mercaptan iyinhlanganisela eyenza i-oxidize kalula futhi yonakalise kalula lapho ibhekene nomoya noma umoya-mpilo. Ukuchayeka emoyeni kudinga ukugwenywa ngesikhathi sokuthutha nokugcinwa.

3. Izinyathelo ezifanele zokuzivikela kufanele zithathwe: Izibuko zokuzivikela, amagilavu ​​nezingubo zokuzivikela kufanele zigqokwe ngesikhathi sokusebenza. Sebenza endaweni engenawo umoya futhi ugweme ukuhogela isitimu nothuli.


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