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2-Methyl pyrazine (CAS#109-08-0)

Chemical Property:

Molecular Formula C5H6N2
Molar Misa 94.11
Density 1.03 g/mL pa25 °C (lit.)
Melting Point -29 °C (lit.)
Boling Point 135 °C/761 mmHg (lit.)
Flash Point 122°F
Nhamba yeJECFA 761
Mvura Solubility Kusanganiswa zvakakwana mumvura.
Vapor Presure 9.69mmHg pa25°C
Chitarisiko Liquid
Color Pachena isina ruvara kusvika kuyero zvishoma
BRN 105778
pKa 1.45(pa27℃)
Storage Condition 2-8°C
Refractive Index n20/D 1.504(lit.)
Zvenyama uye Chemical Properties Density 1.03
nzvimbo yekunyungudika -29°C
Kufashaira 135°C (761 torr)
refractive index 1.5042
flash point 50°C
Shandisa Inoshandiswa muindasitiri yedhayi uye yemishonga, asiwo sechinhu chinonaka chekudya

Product Detail

Product Tags

Risk Codes R10 - Inopfuta moto
R22 – Zvinokuvadza kana ikamedzwa
R36/37/38 - Kushungurudza maziso, kufema system uye ganda.
Tsanangudzo Yekuchengetedza S26 – Kana wasangana nemaziso, sukurudza nekukurumidza nemvura yakawanda uye tsvaga mazano ekurapwa.
S36 - Pfeka zvipfeko zvinodzivirira zvakakodzera.
S16 - Chengetedza kure nenzvimbo dzekudzima.
UN IDs UN 1993 3/PG 3
WGK Germany 3
RTECS UQ3675000
TSCA Ehe
HS Code 29339990
Hazard Kirasi 3
Packing Group III

 

Nhanganyaya

2-methylpyridine inhengo yehupenyu. Imvura isina ruvara kune yakachenuruka yero ine kunhuhwirira kwakafanana nepyridine.

 

2-Methylpyrazine inowanzoshandiswa mu organic synthesis se reagent, solvent uye pakati. Inogona kushandiswa se ligand yezvinokonzeresa zvesimbi-catalyzed reactions.

 

Kune nzira dzakasiyana-siyana dzekugadzirira 2-methylpyrazine, imwe yeinonyanya kushandiswa ndeyekuita kwe2-aminopyrazine ine methylation reagents yakadai semethyl iodide. Yakananga synthesis nzira dzinosanganisira cyanide hydrogenation uye halogenation yehalogenation.

Paunenge uchishanda, matanho akanaka ekufambisa mhepo anofanirwa kutorwa kudzivirira kupinza magasi kana kusangana neganda nemeso. Dzivisa kusangana nemaoxidants akasimba uye maasidhi kudzivirira kuita zvine njodzi. Kana wasangana netsaona kana kufemerwa, tsvaga kurapwa nekukasika.


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