Cov Khoom Noj Txhua Hnub thiab Cov Khoom Noj Tau Fema 3281 CAS NO.13925-00-3 2-Ethylpyrazine siv rau cov txiv ntoo thiab kas fes thiab nqaij

Lub npe tshuaj: 2-Ethylpyrazine

Cov Lus Txhais: 2-ETHYLPYRAZINE; Pyrazine, 2-ethyl-; Ethylpyrazine

Qhov hnyav molecular: C6H8N2

Tswm Cim: Tsis muaj xim rau lub teeb daj kua

Melting Point: 155 ° C

Kub Kub: 152-153 ° C

Qhov Ceev: 0.984 g/mL ntawm 25 °C

Kev Ruaj Ntseg: Nws tsis ruaj khov ntawm qhov kub thiab txias thiab siab, Cov Khoom Siv kom tsis txhob muaj: oxide acid.

Nws yog GB 2760--1996 Kev siv cov txuj lom uas noj tau. Cov tshuaj tsw qab uas siv rau kev npaj cov tshuaj tsw qab yuav tsum tsis pub tshaj qhov siab tshaj plaws uas tso cai siv thiab cov khoom seem uas tso cai ntau tshaj plaws hauv GB 2760. Nws tuaj yeem siv rau hauv kev tshawb fawb thiab kev tsim cov tshuaj nruab nrab thiab cov tshuaj kho mob.

1. Siab purity 99.0% feeb

2. Siv ntau yam saj

3. Peb muaj daim ntawv pov thawj ISO, muaj daim ntawv pov thawj Halal thiab kosher ntawm cov khoom no.

5. Peb muaj peev xwm loj, yog li, feem ntau muaj lub sijhawm ua haujlwm sai.

6. Peb tuaj yeem muab 10g-50g qauv dawb rau koj qhov kev kuaj mob.

1. Cov qauv ntim yog 20g/30g/50g ib lub raj mis.

2. Lub pob me me yog 1kg / 5kg / 10 kg ib lub raj mis.

3.25 kg ib lub nruas (Noj zaub mov yas nruas, tsis muaj plasticizer, daim ntawv pov thawj thib peb)

Kev ntim khoom kuj tseem tuaj yeem hloov kho raws li cov neeg siv khoom xav tau