
Dimethyl sulfide
Zouping Jinxing Chemical Co., Ltd. yog ib qho ntawm cov ua lag luam thiab cov muag khoom ntawm dimethyl sulfide hauv Suav teb. Yog tias koj yuav mus rau cov lag luam wholesale bulk dimethyl sulfide ua nyob rau hauv Suav teb, txais tos kom tau txais cov qauv dawb los ntawm peb lub hoobkas. Tag nrho cov khoom customized yog nrog cov khoom zoo thiab tus nqi qis.
Cov yam ntxwv yooj yim
Cov tsos mob: tsis muaj xim, pob tshab kua; Nyob rau hauv chav tsev kub, nws muaj ib tug muaj zog tsw zoo li rotten cabbage, fishy nqaij nruab deg, los yog pob kws txhob lo lo ntxhuav (nrhiav tau ntawm tsis tshua muaj concentrations; tsw pib approx . 1-10 ppb).
Boiling point: Kwv yees li . 37.3℃(hloov heev).
Qhov ceev: 0.846 g / cm³ (ntawm 20 degree; sib zog dua dej).
Solubility: me ntsis soluble hauv dej (kwv yees . 2 g / 100 mL); Yooj yim soluble hauv ethanol, diethyl ether, thiab hydrocarbon solvents.
Flash point: Kwv yees li . -36℃(ntau nplaim taws heev; cais raws li Class I flammable kua).
Stability: ruaj khov nyob rau hauv lub xub ntiag ntawm alkalis; tuaj yeem oxidized rau sulfoxides lossis sulfones los ntawm cov oxidizing muaj zog.
Thawj qhov chaw
Ntuj qhov chaw: Ua los ntawm kev decomposition ntawm leej faj- muaj cov amino acids (xws li methionine) los ntawm marine phytoplankton (tshwj xeeb tshaj yog diatoms); Nws yog ib qho tseem ceeb ntawm cov "scents dej hiav txwv" nyob rau hauv hiav txwv breezes thiab ib tug tsw compound pom nyob rau hauv cabbage, dos, seaweed, thiab npias (tshwj xeeb tshaj yog lagers).
Cov chaw muaj: Ua los ntawm cov tshuaj tiv thaiv methanol nrog hydrogen sulfide tshaj catalysts (xws li -Al₂O₃ los yog zeolites) los yog cov tshuaj tiv thaiv ntawm dimethyl sulfate nrog sodium sulfide; nws kuj tau tso tawm thaum lub sij hawm pulping txheej txheem ntawm cov cawv dub hauv papermaking.
Kev siv tshuab
Organic hnyav: Siv rau kev rho tawm thiab ua ib qho nruab nrab hauv cov organic synthesis.
Sulfurizing / methylating tus neeg sawv cev: Ua raws li qhov me me methyl hauv kev sib xyaw ntawm cov tshuaj tua kab thiab tshuaj.
Fragrance/flavoring (siv cov qhab nia): Siv ntawm qhov tsis tshua muaj siab rau simulate cov nqaij nruab deg lossis zaub aromas (txawm tias ntau ntau ua rau cov ntxhiab tsw phem).
Cheebtsam ntawm cov pa roj carbon monoxide odorants: Qee zaum ua ke nrog cov tebchaw xws li tert-butyl mercaptan los ua tus xau ceeb toom rau cov kav dej (txawm tias tetrahydrothiophene feem ntau siv rau lub hom phiaj no).
Kev Nyab Xeeb thiab Toxicology
Toxicity: Tsawg mus rau nruab nrab mob toxicity; Qhov ncauj LD₅₀ hauv nas ≈ 5350 mg/kg. High vapor concentrations muaj cov nyhuv tshuaj loog thiab ua rau lub qhov muag thiab ua pa.
Flammability/Explosion: Vapors form explosive mixtures with air; Kev txwv tawg yog kwv yees li 2.2%–19.7% (v/v).
Olfactory Fatigue: Ntev ntev ua rau olfactory desensitization; qhov tsis muaj ntxhiab tsw tuaj yeem siv los txiav txim siab txog kev nyab xeeb.
Kev tiv thaiv: Siv tawg- pov thawj qhov cua thiab tiv thaiv- ntsuas zoo li qub; hnav lub tshuab ua pa rau cov pa roj carbon monoxide (nrog rau cov lim dej lim dej lim dej); zam cov tawv nqaij ncaj qha nrog cov kua (tej zaum yuav ua rau mob me me).
Cim npe nrov: Tuam Tshoj dimethyl sulfide manufacturers, lwm tus neeg, Hoobkas
Tom ntej
Methyl AcrylateKoj Tseem Yuav Zoo Li
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