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2-6-dimethyl-pyrazine (CAS#108-50-9 )

Āhuatanga matū:

Tātai rāpoi C6H8N2
Molar Mass 108.14
Kiato 0.965(50.0000 ℃)
Te Whakarewa 35-40°C(marama)
Piro Pouri 154°C(marama)
Tohu Kohiko 127°F
Nama JECFA 767
Wairewa wai Wairewa ki te wai.
Wairewa Chloroform, Methanol (Paku)
Kohu Kohu 3.87mmHg i te 25°C
Te ahua Kowhai marama kowhai karaehe rewa iti
Tae Kowhai kowhai
BRN 1726
pKa 2.49±0.10(I Matapaetia)
PH 7 (H2O, 20 ℃)
Tikanga Rokiroki -20°C
Taurangi Refactive 1.5000
MDL MCD00006148
Āhuatanga ā-tinana, matū hoki He kiriata paraka ma ki te kowhai me te kakara o te kawhe me te parai pīnati. Ko te ira whakarewa he 48 °c me te ira koropuke he 155 °c. Wairewa i roto i te wai me te wairewa waro.
Whakamahi Mo nga momo momo kai, nga hua tukatuka, te reka

Taipitopito Hua

Tohu Hua

Waehere Morearea R10 – He mura ahi
R22 – He kino ki te horomia
R37/38 – He whakapataritari ki te punaha manawa me te kiri.
R41 – He kino kino ki nga kanohi
R11 – Tino muramura
Whakaahuatanga Haumaru S16 – Kia matara atu i nga puna o te mura.
S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
S39 – Mau whakamarumaru kanohi / kanohi.
UN ID UN 1325 4.1/PG 2
WGK Tiamana 3
RTECS UQ2975000
TSCA Ae
Waehere HS 29339990
Te akomanga morearea 4.1
Roopu Tarapi III

 

Kupu Whakataki

Ko te 2,6-Dimethylpyrazine he pūhui waro.

 

Kounga:

- Ko te 2,6-Dimethylpyrazine he paura totoka he ma, he kowhai marama ranei te tae.

- He pai te whakarewatanga, ka taea te rewa i roto i te wai me te whakarewa pararopi.

- He pūmau ki te hau, engari ka pirau i te wera nui.

 

Whakamahia:

- Ko te 2,6-Dimethylpyrazine e whakamahia nuitia ana i roto i nga momo matū me nga waahi miihini.

- Ka taea te whakamahi hei reagent matū i roto i te rangahau pūtaiao i roto i te whakahiato waro me te matū tātari.

- Ka taea hoki te whakamahi hei whakakorikori mo nga polymers.

 

Tikanga:

- Ko te 2,6-Dimethylpyrazine ka taea te whakahiato e nga momo tikanga, ko te mea tino rite ma te cyclization o te styrene me te methyl methacrylate.

 

Mōhiohio Haumaru:

- 2,6-Dimethylpyrazine he pūhui āhua haumaru i raro i ngā tikanga whakamahi whānui.

- He whakapataritari ki te kiri, ki nga kanohi, ki te ara manawa, me tiaki tika i te wa e whakamahia ana, e whakahaere ana, e penapena ana.

- A ape i te horomia ohorere, te pa ki te kiri me te ngongo o te puehu i te wa e mahi ana.

- Mena ka pa mai, ka werohia ranei, ka horoi tonu i te waahi kua pa ki te wai ma, ka rapu wawe i nga rongoa. I te ohorere, rapu awhina hauora ngaio.

 

Ko nga korero i runga ake nei he korero taketake anake, mo nga korero taipitopito me te whakamahinga motuhake, tirohia nga tuhinga matū e tika ana, me toro atu ranei ki tetahi tohunga.


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