iphepha_ibhena

imveliso

Dimethyl disulfide (CAS#624-92-0)

Ipropati yeMichiza:

Ifomula yeemolekyuli C2H6S2
IMisa yeMolar 94.2
Ukuxinana 1.0625
Indawo yokunyibilika -85 °C
Indawo yeBoling 109°C(lit.)
Indawo yokuflasha 76°F
Inombolo yeJECFA 564
Ukunyibilika kwamanzi <0.1 g/100 mL ku-20 ºC
Ukunyibilika 2.7g/l
Uxinzelelo loMphunga 22 mm Hg ( 20 °C)
Ukuxinana komphunga 3.24 (vs umoya)
Imbonakalo Ulwelo
Ubunzima obuthile 1.0647 (20/4℃)
Umbala Mthubi ocacileyo
Umda wokuvezwa ACGIH: TWA 0.5 ppm (Ulusu)
I-BRN 1730824
Imeko yoGcino Indawo enokutsha
Uzinzo Izinzile. Ukungahambelani neziseko ezinamandla, i-oxidizing agents ezinamandla, ii-agent zokunciphisa ezinamandla. Ukutsha.
Umda wokuqhushumba 1.1-16.1%(V)
Refractive Index n20/D 1.525(lit.)
IiPropati zoMzimba kunye nezeMichiza Ulwelo olukhanyayo olutyheli olucacileyo. Kukho ivumba elibi.
indawo yokunyibilika -85 ℃
iqondo lokubila 109.7 ℃
ukuxinana kobudlelwane 1.0625
refractive index 1.5250
Ukunyibilika okunganyibilikiyo emanzini, ukunyibilika kwi-ethanol, i-ether, i-acetic acid yayixubene.
Sebenzisa Isetyenziswa njenge-solvent kunye ne-pesticide ephakathi, kwaye ikwayeyona nto iphambili ye-methanesulfonyl chloride kunye neemveliso ze-methanesulfonic acid.

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iikhowudi zoMngcipheko I-R11 – Iyatsha kakhulu
I-R20/22 – Iyingozi ngokuphefumla kwaye ukuba iginywe.
R36 – Iyandicaphukisa emehlweni
R51/53 – Ityhefu kwizinto eziphila emanzini, inokubangela iziphumo ezibi zexesha elide kwindawo ehlala emanzini.
R36/37/38 – Ukucaphuka kwamehlo, inkqubo yokuphefumla kunye nolusu.
I-R26 – Ityhefu kakhulu ngokuphefumla
I-R22 – Iyingozi xa iginyiwe
R36/37 – Iyacaphukisa emehlweni nakwinkqubo yokuphefumla.
Inkcazelo yoKhuseleko S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango.
S61 –Kuphephe ukukhutshelwa kokusingqongileyo. Jonga kwimiyalelo ekhethekileyo / kumaphepha edatha yokhuseleko.
S45 - Kwimeko yengozi okanye ukuba uziva ungaphilanga, funa iingcebiso zonyango ngokukhawuleza (bonisa ileyibhile nanini na kunokwenzeka.)
I-S38 - Kwimeko yokungonelanga komoya, nxiba izixhobo ezifanelekileyo zokuphefumla.
S36/37/39 – Nxiba iimpahla ezifanelekileyo zokukhusela, iiglavu kunye nokukhusela amehlo/ubuso.
S28A -
S16 – Gcina kude kwimithombo yomlilo.
S60 – Esi sixhobo kunye nesingxobo saso kufuneka silahlwe njengenkunkuma eyingozi.
S57 – Sebenzisa isikhongozeli esifanelekileyo ukunqanda ukungcoliseka kwendalo.
S39 –Nxiba ukhuseleko lwamehlo / ubuso.
S29 – Musa ukuthulula kwimisele yamanzi.
Izazisi ze-UN UN 2381 3/PG 2
WGK eJamani 2
RTECS JO1927500
I-TSCA Ewe
Ikhowudi ye-HS 29309070
IKlasi yeeNgozi 3
Iqela lokuPakisha II
Ubutyhefu I-LD50 ngomlomo kuMvundla: 290 - 500 mg / kg

 

Intshayelelo

I-Dimethyl disulfide (i-DMDS) yi-organic compound kunye ne-chemical formula C2H6S2. Lulwelo olungenambala olunevumba elibi elingaqhelekanga.

 

I-DMDS ineendlela ezahlukeneyo zokusetyenziswa kushishino. Okokuqala, isetyenziswa ngokuqhelekileyo njenge-sulfidation catalyst, ngakumbi kwishishini lepetroleum ukuphucula ukusebenza kakuhle kokucoca kunye nezinye iinkqubo zeoli. Okwesibini, i-DMDS ikwasisibulali zinambuzane esibalulekileyo esinokusetyenziswa kwezolimo kunye nokulima izitiya, njengokukhusela izityalo kunye neentyatyambo kwiintsholongwane kunye nezinambuzane. Ukongeza, i-DMDS isetyenziswa ngokubanzi njenge-reagent kwi-chemical synthesis kunye ne-organic synthesis reactions.

 

Indlela ephambili yokulungiselela i-DMDS kukusabela kwe-carbon disulfide kunye ne-methylammonium. Le nkqubo inokuqhutywa kwiqondo lokushisa eliphezulu, ngokufuthi ifuna ukusetyenziswa kwe-catalysts ukuququzelela ukusabela.

 

Ngokuphathelele ulwazi lokhuseleko, i-DMDS lulwelo olunokutsha kwaye inevumba elibi. Izixhobo ezifanelekileyo zokukhusela ezinjengeeglavu, iiglasi zokhuseleko, kunye nempahla yokukhusela kufuneka zinxitywe ngexesha lokuphatha nokusetyenziswa. Kwangaxeshanye, kufuneka igcinwe kude nomlilo kunye nemithombo yobushushu ukukhusela umlilo okanye ugqabhuko-dubulo. Ukugcina kunye nokuthutha, i-DMDS kufuneka ifakwe kwi-container engangeni moya kwaye igcinwe kwindawo epholileyo, eyomileyo, kwindawo engenamoya, kude ne-oxidants kunye nemithombo yokutshisa. Kwimeko yokuvuza ngengozi, amanyathelo ayimfuneko okususwa kufuneka athathwe ngokukhawuleza kwaye umoya ofanelekileyo kufuneka uqinisekiswe.

 

 


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