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2-5-Dimethylthiophene(CAS#638-02-8)

Āhuatanga matū:

Tātai rāpoi C6H8S
Molar Mass 112.19
Kiato 0.985 g/mL i te 25 °C (marama)
Te Whakarewa -63°C
Piro Pouri 134 °C/740 mmHg (marama)
Tohu Kohiko 75°F
Wairewa wai Karekau ki te wai. Ka whakarewahia ki te waipiro, te ether me te benzene.
Kohu Kohu 8.98mmHg i te 25°C
Te ahua Waiwai
Te taumahatanga motuhake 0.985
Tae He maama kore tae ki te paku kowhai
BRN 106450
Tikanga Rokiroki Kia mau ki roto i te waahi pouri, te hau koretake, te pāmahana rūma
Taurangi Refactive n20/D 1.512(marama)
MDL MCD00005452
Āhuatanga ā-tinana, matū hoki He wai kore tae, he wai kowhai marama ranei. Kohuatanga o te 134 deg C (0.985 mmHg), te uira o te 23 deg C, te taumaha motuhake.

Taipitopito Hua

Tohu Hua

Waehere Morearea R10 – He mura ahi
R37 – He whakapataritari ki te punaha manawa
R20/22 – He kino ma te horomia me te horomia.
Whakaahuatanga Haumaru S23 – Kaua e hau kohu.
S24/25 – A ape i te pa ki te kiri me nga kanohi.
S16 – Kia matara atu i nga puna o te mura.
S36 – Mau kakahu whakamarumaru tika.
S33 – Whakatupato ki nga tukunga pateko.
S29 – Kaua e ringihia ki roto i nga awaawa.
S7/9 -
S3/7/9 -
UN ID UN 1993 3/PG 3
WGK Tiamana 3
Waehere HS 29349990
Te akomanga morearea 3
Roopu Tarapi II

 

Kupu Whakataki

Ko te 2,5-Dimethylthiophene he pūhui waro. He wai iti-paitini me te kore e mura ana he kowhai kowhai ki te kore tae i te pāmahana rūma.

 

Kounga:

He pai te whakarewatanga o te 2,5-Dimethylthiophene me te whakarewa i roto i nga whakarewa pararopi penei i te waipiro, te ethers me te waiwaro chlorinated. He kaha te kakara o te tiomycin, he paku paku te kakara o te hau.

 

Whakamahia:

 

Tikanga:

Ko te tikanga whakarite noa mo te 2,5-dimethylthiophene ka whiwhi i te hohenga o te thiophene me te methyl bromide.

 

Mōhiohio Haumaru:

Ko te 2,5-dimethylthiophene he iti te paitini, engari he mea tika tonu kia aro ki te mahi haumaru. Me karohia te whakapiri kiri ki te kanohi i te wa e pa ana, nga karapu tiaki, me mau mohiti, me whakamahi nga taputapu tiaki tika i waho o te taiwhanga. Ka whakamahia, ka penapena ranei, me noho ke atu i nga puna ahi me nga waiora, me te pupuri i nga tikanga whai hau. Mena ka ngongohia, ka ngongohia ranei, me rapu wawe i te rongoa.


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