Pyrazine（CAS#290-37-9）

Āhuatanga matū:

Tātai rāpoi	C4H4N2
Molar Mass	80.09
Kiato	1.031 g/mL i te 25 °C (marama)
Te Whakarewa	50-56 °C (marama)
Piro Pouri	115-116 °C (marama)
Tohu Kohiko	132°F
Nama JECFA	951
Wairewa wai	WHAKAMAHI
Wairewa	Wairewa i roto i te wai, waiwaro, ether, etc.
Kohu Kohu	19.7mmHg i te 25°C
Te ahua	Kiriata ma
Te taumahatanga motuhake	1.031
Tae	Mā
Merck	14,7957
BRN	103905
pKa	0.65(i te 27 ℃)
Tikanga Rokiroki	Whakaorangia ki raro +30°C.
Te pumau	Eu ana. Tino muramura. He hotokore ki nga waikawa, nga mea whakahaora.
Tairongo	Hygroscopic
Taurangi Refactive	1.5235
MDL	MCD00006122
Whakamahi	Ka whakamahia hei takawaenga ho'oraa, Essence, Fragrance Intermediates

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Taipitopito Hua

Tohu Hua

Waehere Morearea	R36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri. R11 – Tino muramura
Whakaahuatanga Haumaru	S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora. S36 – Mau kakahu whakamarumaru tika. S16 – Kia matara atu i nga puna o te mura.
UN ID	UN 1325 4.1/PG 2
WGK Tiamana	3
RTECS	UQ2015000
TSCA	T
Waehere HS	29339990
Te akomanga morearea	4.1
Roopu Tarapi	III

Kupu Whakataki

Pūhui Heterocyclic kei roto e rua nga ngota heteronitrogen i nga waahi 1 me te 4. He inemate ki te pyrimidine me te pyridazine. Wairewa ki te wai, te waipiro me te ether. He ngoikore te kakara, he rite ki te pyridine. Ehara i te mea ngawari ki te tango i nga tauhohenga whakakapinga hiko, engari he ngawari ki te tango i nga tauhohenga whakakapinga me nga nucleophiles.

Tōmua: 2-4-Heptadienal (CAS#5910-85-0)

Panuku: 2-Ethoxy-3-Isopropyl Pyrazine（CAS#72797-16-1）

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