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Dimethyl sulfide (CAS#75-18-3)

Ngwongwo kemịkalụ:

Usoro ihe omimi C2H6S
Molar Mass 62.13
Njupụta 0.846g/mLat 25°C(ọkụ)
Ebe Na-agbaze -98°C (ọkụ)
Ebe Boling 38°C (ọkụ)
Ebe mgbari -34°F
Nọmba JECFA 452
Mmiri Solubility 溶于乙醇和乙醚,不溶于水。
Solubility Na-ejikọta ya na mmanya, ethers, esters, ketones, aliphatic na aromatic hydrocarbons. O nwetụrụ nghọta
Uzuoku nrịbama 26.24 psi (55 Celsius)
Uzuoku Njupụta 2.1 (vs ikuku)
Ọdịdị Mmiri mmiri
Nnukwu ike ndọda 0.849 (20/4 ℃)
Agba Kpochapụ enweghị agba
Isi Ethereal, na-erugharị; ekwetaghị; mkparị.
Oke ngosi ACGIH: TWA 10 ppm
Merck 14,6123
BRN 1696847
Ọnọdụ Nchekwa Na-echekwa na +2°C ruo +8°C.
Nkwụsi ike Kwụsie ike. Ekwekọrịtaghị na ndị ọrụ oxidizing siri ike. Ọ na-ere ọkụ nke ukwuu - rịba ama ebe isi mmiri dị ala, ebe ọkụ dị ala, yana oke mgbawa obosara. Ngwakọta na ikuku nwere ike ịgbawa. ekwekọghị na
Oke ihe mgbawa 2.2-19.7% (V)
Ntụgharị uche n20/D 1.435 (ọkụ)
Njirimara anụ ahụ na kemịkalụ Mmiri mmiri na-adịghị agbanwe agbanwe. Enwere isi na-adịghị mma.
ebe agbaze -83 ℃
esi esi 37.5 ℃
njupụta ikwu 0.845
Ntụgharị ntụgharị 1.4438
ihe ọkụ ọkụ -17.8 ℃
soluble na ethanol na ether, nke na-adịghị edozi na mmiri.
Jiri Maka nkwadebe nke dimethyl sulfoxide na dị ka pesticide intermediates ma ọ bụ ihe mgbaze

Nkọwa ngwaahịa

Mkpado ngwaahịa

Koodu ihe egwu R11 - Na-agba ọkụ nke ukwuu
R22 - na-emerụ ma ọ bụrụ na iloro ya
R37 / 38 - na-akpasu iwe na usoro iku ume na akpụkpọ ahụ.
R41 - Ihe ize ndụ nke mmebi anya dị njọ
R36 - na-ewe iwe na anya
Nkọwapụta nchekwa S7 - Debe akpa ahụ nke ọma.
S9 - Debe akpa na ebe ikuku na-ekpo ọkụ.
S16 - Wepụ ya na isi mmalite nke mgbanye.
S29 - Awụsala n'ime mmiri mmiri.
S33 – Kpachara anya megide mwepu kwụ ọtọ.
S36/39 -
S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
NJ UN UN 1164 3/PG 2
WGK Germany 1
RTECS PV5075000
FLUKA BRAND F CODES 13
TSCA Ee
Koodu HS 2930 90 98
Klas Hazard 3
Otu nkwakọ ngwaahịa II
Nsi LD50 ọnụ na oke bekee: 535 mg / kg LD50 dermal oke bekee> 5000 mg / kg

 

Okwu mmalite

Dimethyl sulfide (nke a makwaara dị ka dimethyl sulfide) bụ ngwakọta sọlfọ inorganic. Ihe na-esonụ bụ mmalite nke njirimara, ojiji, ụzọ nkwadebe na ozi nchekwa nke dimethyl sulfide:

 

Ogo:

- Ọdịdị: mmiri mmiri na-enweghị agba nwere isi pụrụ iche siri ike.

- Solubility: miscible na ethanol, ethers na ọtụtụ ihe mgbaze organic.

 

Jiri:

- Ngwa ụlọ ọrụ: Dimethyl sulfide na-ejikarị dị ka ihe mgbaze na mmeghachi omume njikọ organic, ọkachasị na sulfidation na mmeghachi omume thioaddition.

 

Usoro:

- Enwere ike ịkwadebe Dimethyl sulfide site na mmeghachi omume ethanol na sọlfọ. Mmeghachi omume na-emekarị n'okpuru ọnọdụ acidic ma na-achọ ikpo ọkụ.

- Enwere ike ịkwado ya site n'ịgbakwunye sodium sulfide na methyl bromides abụọ (dịka methyl bromide).

 

Ozi nchekwa:

- Dimethyl sulfide nwere isi ísì ụtọ ma nwee mmetụta na-akpasu iwe na akpụkpọ na anya.

- Zere kọntaktị na akpụkpọ ahụ na anya wee kpachara anya mgbe ị na-eji ya.

- N'oge eji na nchekwa, kọntaktị na oxidants na acid siri ike kwesịrị izere iji zere mmeghachi omume na-adịghị mma.

- A ga-ekpochapụ ihe mkpofu dịka iwu na iwu obodo siri dị ma ghara ịwụfu ya.

- Nọgide na-eku ume nke ọma n'oge nchekwa na ojiji.

 


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