isibhengezo_sekhasi

umkhiqizo

2-3-Butanedithiol (CAS#4532-64-3)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C4H10S2
I-Molar Mass 122.25
Ukuminyana 0.995 g/mL ku-25 °C (okhanyisiwe)
I-Melting Point -53.9°C (isilinganiso)
I-Boling Point 86-87 °C/50 mmHg (okhanyisiwe)
I-Flash Point 126°F
Inombolo ye-JECFA 539
I-Vapor Presure 2.15mmHg ku-25°C
I-Vapor Density >1 (vs air)
Ukubukeka uketshezi (isilinganiso)
I-Gravity ethize 0.995
Umbala Ayinambala ukuya kokuphuzi ngokukhanyayo ukuya kokuwolintshi okhanyayo
pKa 9.93±0.10(Okubikezelwe)
I-Refractive Index n20/D 1.5194(lit.)
Izakhiwo Zomzimba Nezamakhemikhali Iphoyinti lokubilisa 86 ° C (50 torr)

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi I-Xn - Iyingozi
Amakhodi Engozi U-R10 – Uyavutha
I-R22 – Iyingozi uma igwinywe
R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha S16 – Zigcine kude nemithombo yokuthungela.
S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
Ama-ID e-UN UN 3336 3/PG 3
I-WGK Germany 3
Ikhodi ye-HS 29309090
I-Hazard Class 3.2
Iqembu Lokupakisha III

 

Isingeniso

2,3-Butanedithiol. Okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha lwe-2,3-butanedithiol:

 

Ikhwalithi:

- Ukubukeka: Uketshezi olungenambala

- Iphunga: Iphunga elimnandi

- I-Soluble: Incibilika emanzini, otshwaleni nasezincibilikisini ze-ether

 

Sebenzisa:

- Ukusetshenziswa kwezimboni: I-2,3-butanedicaptan ingasetshenziswa njenge-accelerator yerabha kanye ne-antioxidant. Ingakwazi ukuthuthukisa izakhiwo zemishini kanye nokumelana nokushisa kwerabha futhi yandise impilo yesevisi yemikhiqizo yenjoloba.

 

Indlela:

Ukulungiswa kwe-2,3-butanedithiol kungenziwa ngenye yalezi zindlela ezilandelayo:

- Ukulungiswa kwezimboni: i-butene nesibabule kuvame ukusetshenziswa njengezinto ezingavuthiwe futhi zilungiswa ukusabela kwe-vulcanization.

- Ukulungiswa kwelabhorethri: Kungalungiswa ngokusabela kwe-propadiene sulfate ne-sodium sulfite, noma ngokusabela kwe-2,3-dichlorobutane ne-sodium sulfide.

 

Ulwazi Lokuphepha:

- I-2,3-butanedithiol iyacasula futhi ingabangela ukucasuka nokusha emehlweni nasesikhumbeni.

- Ukuhogela inani elikhulu le-2,3-butanedithiol kungabangela isiyezi, isicanucanu, ukuhlanza nezinye izimpawu ezingakhululekile.

- Gwema ukuhogela kanye nokuthinta isikhumba ngesikhathi usebenza, futhi gqoka izinto zokuzivikela ezifanele njengamagilavu, izibuko, njll. lapho usebenzisa.

- Gwema ukuthintana nama-oxidants nezinto ezifana nama-asidi aqinile nama-alkali ukuze ugweme ukusabela okuyingozi.


  • Okwedlule:
  • Olandelayo:

  • Bhala umyalezo wakho lapha futhi usithumelele wona