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samfur

Dimethyl disulfide (CAS#624-92-0)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C2H6S2
Molar Mass 94.2
Yawan yawa 1.0625
Matsayin narkewa -85 °C
Matsayin Boling 109°C (lit.)
Wurin Flash 76°F
Lambar JECFA 564
Ruwan Solubility <0.1 g/100 ml a 20ºC
Solubility 2.7g/l
Tashin Turi 22 mm Hg (20 ° C)
Yawan Turi 3.24 (Vs iska)
Bayyanar Ruwa
Takamaiman Nauyi 1.0647 (20/4 ℃)
Launi Tsararren rawaya
Iyakar Bayyanawa ACGIH: TWA 0.5 ppm (Fata)
BRN 1730824
Yanayin Ajiya Wuraren masu ƙonewa
Kwanciyar hankali Barga. Ba daidai ba tare da tushe mai ƙarfi, magungunan oxidizing masu ƙarfi, masu rage ƙarfi masu ƙarfi. Mai ƙonewa.
Iyakar fashewa 1.1-16.1% (V)
Fihirisar Refractive n20/D 1.525(lit.)
Abubuwan Jiki da Sinadarai Ruwa mai haske mai launin rawaya. Akwai wari mara kyau.
narkewa -85 ℃
tafasar batu 109.7 ℃
girman dangi 1.0625
Rarraba index 1.5250
solubility insoluble a cikin ruwa, mai narkewa a cikin ethanol, ether, acetic acid ya miscible.
Amfani Ana amfani da shi azaman tsaka-tsaki mai ƙarfi da magungunan kashe qwari, kuma shine babban ɗanyen kayan methanesulfonyl chloride da samfuran methanesulfonic acid.

Cikakken Bayani

Tags samfurin

Lambobin haɗari R11 - Mai ƙonewa sosai
R20/22 - Yana cutar da numfashi kuma idan an haɗiye shi.
R36 - Haushi da idanu
R51/53 - Mai guba ga halittun ruwa, na iya haifar da illa na dogon lokaci a cikin yanayin ruwa.
R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata.
R26 - Mai guba sosai ta hanyar shakarwa
R22 - Yana cutarwa idan an haɗiye shi
R36 / 37 - Hannun idanu da tsarin numfashi.
Bayanin Tsaro S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S61 - Guji saki zuwa yanayi. Koma zuwa umarni na musamman / takaddun bayanan aminci.
S45 - Idan akwai haɗari ko kuma idan kun ji rashin lafiya, nemi shawarar likita nan da nan (nuna alamar a duk lokacin da zai yiwu.)
S38 - Idan akwai rashin isasshen iska, sanya kayan aikin numfashi masu dacewa.
S36 / 37/39 - Sanya tufafin kariya masu dacewa, safar hannu da kariya / ido / fuska.
S28A-
S16 - Ka nisantar da tushen wuta.
S60 - Wannan abu da kwandonsa dole ne a zubar da shi azaman shara mai haɗari.
S57 - Yi amfani da kwandon da ya dace don guje wa gurɓataccen muhalli.
S39 – Sa ido/kariyar fuska.
S29 - Kada ku komai a cikin magudanar ruwa.
ID na UN UN 2381 3/PG 2
WGK Jamus 2
RTECS Farashin 1927500
Farashin TSCA Ee
HS Code Farashin 29309070
Matsayin Hazard 3
Rukunin tattarawa II
Guba LD50 baki a cikin zomo: 290 - 500 mg/kg

 

Gabatarwa

Dimethyl disulfide (DMDS) wani fili ne na kwayoyin halitta tare da dabarar sinadarai C2H6S2. Ruwa ne marar launi mai ƙamshi na musamman mai ƙamshi.

 

DMDS yana da amfani iri-iri a masana'antu. Na farko, ana amfani da shi azaman mai kara kuzari, musamman a cikin masana'antar mai don inganta ingantaccen aikin tacewa da sauran hanyoyin mai. Abu na biyu, DMDS kuma muhimmin maganin kashe kwari da kwari ne wanda za'a iya amfani dashi a aikin gona da noma, kamar kare amfanin gona da furanni daga ƙwayoyin cuta da kwari. Bugu da kari, DMDS ana amfani da ko'ina a matsayin reagent a cikin sinadaran kira da kwayoyin kira halayen.

 

Babban hanyar shiri na DMDS shine ta hanyar amsawar carbon disulfide da methylammonium. Ana iya aiwatar da wannan tsari a yanayin zafi mai yawa, sau da yawa yana buƙatar amfani da masu haɓakawa don sauƙaƙe amsawa.

 

Game da bayanin aminci, DMDS ruwa ne mai ƙonewa kuma yana da ƙamshi mai ƙamshi. Ya kamata a sa kayan kariya da suka dace kamar safar hannu, gilashin tsaro, da tufafin kariya yayin karɓuwa da amfani. A lokaci guda kuma, ya kamata a nisantar da shi daga wuta da wuraren zafi don hana wuta ko fashewa. Don ajiya da sufuri, DMDS ya kamata a sanya shi a cikin akwati marar iska kuma a adana shi a wuri mai sanyi, bushe, da iska mai kyau, nesa da oxidants da wuraren kunna wuta. A yayin da yabo ta bazata, yakamata a dauki matakan kawar da su nan da nan kuma a tabbatar da samun iska mai kyau.

 

 


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