Runhare:+86 21 6460 6569
peji_banner

chigadzirwa

2 4-Dichloro-5-methylpyrimidine (CAS# 1780-31-0) Mufananidzo
  • 2 4-Dichloro-5-methylpyrimidine (CAS# 1780-31-0) 1

2 4-Dichloro-5-methylpyrimidine (CAS# 1780-31-0)

Chemical Property:

Molecular Formula C5H4Cl2N2
Molar Misa 163
Density 1.39 g/mL pa25 °C (lit.)
Melting Point 26-28 °C (lit.)
Boling Point 108-109 °C/11 mmHg (lit.)
Flash Point >230°F
Solubility Soluble mu chloroform, ether, ethyl acetate uye toluene
Vapor Presure 0.079mmHg pa25°C
Chitarisiko hupfu kusvika pabundu kujekesa mvura
Color Ichena kana isina Ruvara kusvika Inenge chena kana Inenge isina ruvara
pKa -2.44±0.29(Zvakafanotaurwa)
Storage Condition Mamiriro ekunze, 2-8°C

Product Detail

Product Tags

Ngozi uye Kuchengeteka

Hazard Symbols C – Kuora
Risk Codes 34 – Zvinokonzera kupisa
Tsanangudzo Yekuchengetedza S26 – Kana wasangana nemaziso, sukurudza nekukurumidza nemvura yakawanda uye tsvaga mazano ekurapwa.
S36/37/39 - Pfeka zvipfeko zvekudzivirira zvakakodzera, magurovhosi uye kudzivirira kweziso/chiso.
S45 - Kana waita tsaona kana ukanzwa usinganzwe zvakanaka, tsvaga rubatsiro rwekuchipatara nekukasika (ratidza chinyorwa pese pazvinogoneka.)
S27 - Bvisa pakarepo zvipfeko zvese zvakasvibiswa.
UN IDs UN 3261 8/PG 2
WGK Germany 3
TSCA Ehe
HS Code 29335990
Hazard Kirasi 8
Packing Group III

2 4-Dichloro-5-methylpyrimidine (CAS# 1780-31-0) Information

Shandisa 2, 4-dichloro-5-methylpyrimidine inogona kushandiswa mukugadzirira kwe2-fluoro-5-trifluoromethylpyrimidine. 2-fluoro-5-trifluoromethylpyrimidine yakakosha yepakati pakugadzirwa kwemishonga, iyo inogona kushandiswa kugadzira yakasanganiswa ring dihydrofuran makomisheni, uye yakasanganiswa ring dihydrofuran makomisheni anogona kushandiswa seG protein yakasanganiswa receptor GPR119 modulators, pakurapa chirwere cheshuga, kufutisa uye dyslipidemia chirwere. Mukuwedzera, 2-fluoro-5-trifluoromethylpyrimidine inogonawo kushandiswa sepakati mukugadzirwa kwemishonga yekurapa kwechirwere cheAlzheimer uye schizophrenia.
kugadzirira 5-methyluracil 75g(0.59mol), phosphorus oxychloride 236g, triethylamine hydrochloride 16.5g(0.12mol), yakawedzerwa kune reaction flask, inopisa kusvika 100 ℃ ~ 110 ℃, Reflux reaction 5H, yakatonhodzwa ℃ penta ℃, 4 ℃ chloride chloride. 248 (1.19mol), maitiro ekuchengetedza kupisa 2H. Mushure mekupedzwa kwekuita, phosphorus oxychloride yakadzoserwa ne distillation pasi pekumanikidzwa kwakadzikira, uye distillation pasi pekumanikidzwa kwakaderedzwa kwakaramba kuchiwana 88g (0.54mol) ye2, 4-dichloro-5-methylpyrimidine mugoho re91.5%.
  • Zvakapfuura:
  • Zvinotevera:
    • Nyora meseji yako pano ugotitumira

    zvinoenderana zvigadzirwa