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ngwaahịa

2-Isopropyl-3-methoxypyrazine (CAS#93905-03-4)

Ngwongwo kemịkalụ:

Usoro ihe omimi C8H12N2O
Molar Mass 152.19
Njupụta 0.996 g/ml na 25 Celsius (ọkụ)
Ebe Boling 120-125 Celsius C (20 mmHg)
Ebe mgbari 152°F
Nọmba JECFA 790
Uzuoku nrịbama 0.274mmHg na 25°C
Ọdịdị mmiri mmiri doro anya
Agba Enweghị agba ruo oroma ruo akwụkwọ ndụ akwụkwọ ndụ
Isi akwụkwọ ndụ akwụkwọ ndụ agwa isi
pKa 0.81± 0.10 (buru amụma)
Ọnọdụ Nchekwa Emechiri ya na nkụ, Okpomọkụ ụlọ
Ntụgharị uche n20/D 1.494 (ọkụ)
Jiri Maka ojiji kwa ụbọchị, ụtọ nri

Nkọwa ngwaahịa

Mkpado ngwaahịa

Koodu ihe egwu R36 / 37/38 - na-akpasu iwe na anya, usoro iku ume na akpụkpọ ahụ.
R39/23/24/25 -
R23/24/25 - Na-egbu egbu site na iku ume, na kọntaktị na akpụkpọ ahụ ma ọ bụrụ na iloro ya.
R11 - Na-agba ọkụ nke ukwuu
Nkọwapụta nchekwa S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
S36 / 37/39 - Yiri uwe nchebe kwesịrị ekwesị, uwe aka na nchebe anya / ihu.
S24/25 - Zere kọntaktị na akpụkpọ ahụ na anya.
S45 - Ọ bụrụ na ihe mberede ma ọ bụ ọ bụrụ na ahụ adịghị gị mma, chọọ ndụmọdụ ahụike ozugbo (gosi akara ahụ mgbe ọ bụla enwere ike.)
S36/37 - Yiri uwe nchebe kwesịrị ekwesị na uwe aka.
S16 - Wepụ ya na isi mmalite nke mgbanye.
S7 - Debe akpa ahụ nke ọma.
S36/37/38 -
NJ UN UN 1230 3/PG2
WGK Germany 3
Koodu HS 29339900

 

Okwu mmalite

2-Methoxy-3-isopropylpyrazine, nke a makwaara dị ka MIBP (Methoxyisobutylpyrazine), bụ ngwakọta organic. Ihe na-esonụ bụ mmalite nke ọdịdị ya, ojiji ya, usoro nkwadebe na ozi nchekwa ya:

 

Ogo:

- Ọdịdị: mmiri mmiri na-enweghị agba

- Isi: Nwere ísì dị ka akwụkwọ ndụ akwụkwọ ndụ ose

 

Jiri:

 

Usoro:

2-Methoxy-3-isopropylpyrazine nwere ike iji usoro ndị a:

A na-eji sodium sulfate na sodium bicarbonate dozie uru pH.

Pyrazine, isopropyl magnesium bromide, na methanol na-emeghachi omume na okpomọkụ kwesịrị ekwesị.

Mgbe emechara mmeghachi omume ahụ, a na-emegharị ihe ahụ dị ọcha na kristal.

 

Ozi nchekwa:

-2-Methoxy-3-isopropylpyrazine nwere obere toxicity mana ọ ka na-achọ njikwa kemịkalụ n'enweghị nsogbu ka esoro ya.

- Zere kọntaktị na akpụkpọ ahụ, anya, na akpụkpọ anụ mucous. N'ihe gbasara kọntaktị, kpochaa ya ozugbo na nnukwu mmiri.

- Ekukula vapors ma ọ bụ uzuzu sitere na ogige ahụ.

- Mgbe ejiri ya ma ọ bụ chekwaa ya, wepụ ya na isi ọkụ na ihe ndị na-ere ọkụ.

- Ekwesịrị ịchekwa ya n'ebe dị jụụ, nke kpọrọ nkụ na nke ikuku na-ekpo ọkụ, pụọ na acids na oxidants.


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