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2-3-Dimethyl pyrazine (CAS#5910-89-4) Mufananidzo Unoratidzwa
  • 2-3-Dimethyl pyrazine (CAS#5910-89-4) 1

2-3-Dimethyl pyrazine (CAS#5910-89-4)

Chemical Property:

Molecular Formula C6H8N2
Molar Misa 108.14
Density 1.011 g/mL pa25 °C (lit.)
Melting Point 11-13 °C
Boling Point 156 °C (lit.)
Flash Point 130°F
Nhamba yeJECFA 765
Vapor Presure 3.45mmHg pa25°C
Chitarisiko mvura yakachena
Specific Gravity 1.022
Color Zvisina ruvara kuenda kuChiedza orenji kusvika kuYero
Kunhuwa kunhuhwirira kwakakangwa, kuyeuchidza nzungu
BRN 107908
pKa 2.21±0.10(Zvakafanotaurwa)
PH 7 (H2O, 20℃)
Storage Condition Inert mamiriro, Room Temperature
Refractive Index n20/D 1.507(lit.)
MDL MFCD07373397
Zvenyama uye Chemical Properties Density 1.02
kunyungudika 11-13°C
Kufashaira kwe156°C
refractive index 1.506-1.508
flash point 54°C

Product Detail

Product Tags

Risk Codes R10 - Inopfuta moto
R22 – Zvinokuvadza kana ikamedzwa
R37/38 - Inogumbura kune yekufema system uye ganda.
R41 - Njodzi yekukuvara kwakakomba kwemaziso
Tsanangudzo Yekuchengetedza S16 - Chengetedza kure nenzvimbo dzekudzima.
S26 – Kana wasangana nemaziso, sukurudza nekukurumidza nemvura yakawanda uye tsvaga mazano ekurapwa.
S39 - Pfeka dziviriro yeziso / kumeso.
UN IDs UN 1993 3/PG 3
WGK Germany 3
RTECS UQ2625000
TSCA Ehe
HS Code 29339990
Hazard Note Zvinoshatirisa/Kupisa
Hazard Kirasi 3
Packing Group III

 

Nhanganyaya

2, 3-Dimethylpyrazine isanganiswa yeorganic. Iyi inotevera sumo kune zvimwe zvezvivakwa zvayo, kushandiswa, nzira dzekugadzira uye ruzivo rwekuchengetedza:

 

Hunhu:

2, 3-Dimethylpyrazine haina ruvara kune yero crystalline yakasimba. Iine kunhuwa kweacetone kana ethers uye inogona kunyungudutswa mudoro uye ether solvents.

 

Shandisa:

2, 3-Dimethylpyrazine inonyanya kushandiswa sechinhu chekutanga chekugadzira organic synthesis. Inogona kushandiswa sechinhu chinokonzeresa esterification, carboxylation uye enolation pasi pemamiriro ealkaline.

 

Nzira:

2, 3-dimethylpyrazine inogona kugadzirwa neSN2 inotsiva ethyl iododide kana ethyl bromide ine 2-aminopyrazine. Mamiriro ekuita anowanzoitwa pamberi peiyo alkaline medium, senge sodium ethoxide. Mushure mekuita, icho chinonangwa chigadzirwa chinowanikwa necrystallization kana kudhirowa.

 

Zvekuchengetedza

2, 3-Dimethylpyrazine ine huturu hwakaderera pasi pemamiriro ekushandisa akajairika. Sekemikari, kubata neganda, maziso, uye nzira yekufema zvinogona kukonzera kushatirwa. Yenguva dzose mapuroteni ekuchengetedza marabhoritari akadai sekupfeka magirovhosi emurabhoritari ekudzivirira, magirovhosi, nemidziyo yekudzivirira yekufema inofanirwa kuteverwa kana ichishandiswa. Kana wasangana netsaona kana kufemerwa, geza kana bvisa nzvimbo yabatwa nekukasika uye tsvaga rubatsiro kuna chiremba.

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