Pyrazine-2, 3-Dicarboxylic Anhydride 4744-50-7 Assay 99.02% Dawb Hmoov
|
Mf: |
Dawb hmoov |
|
2, 3-Pyrazinedicarboxylic Acid: |
0.55% |
|
Kev ntsuam xyuas (HPLC): |
99.02% |
|
Dej (Poob rau ziab): |
0.05% |
|
2-Pyrazinecarboxylic Acid: |
0.43% |
|
Thauj Pob: |
25kg / Nruas |
Cov ntaub ntawv yooj yim.
| Qauv NO. | Dej {{0}}.05% Tag Nrho impurity 0.97% |
| Specification | 2, 3-Pyrazinedicarboxylic acid 0.55% |
| Keeb kwm | Tuam Tshoj |
| HS Code | 29349990 |
| Muaj Peev Xwm Ntau Lawm | 40000kg / xyoo |
Khoom npe: 2, 3-Pyrazinecarboxylic anhydride
Synonyms: PYRAZINE-2, 3-DICARBOXYLIC ANHYDRIDE;
2,3-Py Razinedica boxylic Anbyd Yide;
2,3-PYRAZINEDICARBOXYLIC ANHYDRIDE;
2,3-PYRAZINECARBOXYLIC ANHYDRIDE;
2,3-PYRAZINEDICARBOXLIC ANHYDRIDE;
2,3-PYRAZINEDICARBOXYLICANHYDRATE;
FURO[3,4-B]PYRAZINE-5,7-DIONE
CAS: 4744-50-7
MF: C6H2N2O3
PIB: 150.09
EINECS: 225-260-4
Yam khoom: Cov tshuaj tua kab nruab nrab; GLYCINESCAFFOLD; Fused Ring Systems
Mol File: 4744-50-7.mol
Melting point 210 degree (dec.) (lit.)
Kub taw tes 357.3 ± 22. 0 degree (Predicted)
Qhov ceev 1.686 ± 0.06 g / cm3 (Predicted)
cia temp. Inert cua, Chav Kub
Solubility Actonitrile (me ntsis), DMSO
pka {{0}}.43± 0.20(Tswv Ntuj)
form Khoom
xim Dawb rau lub teeb xim av crystalline hmoov
LogP -0.900 (est)
CAS DataBase Reference 4744-50-7(CAS DataBase Reference)
Hazard Codes Xis
Risk Statements 36/37/38
Cov lus hais txog kev nyab xeeb 26-36
WGK Germany 3
Hazard Note Irritant
HS Code 29349990
2,3-Pyrazinecarboxylic anhydride Siv Thiab Synthesis
Siv 2,?3-?Pyrazinedicarboxylic Anhydride yog ib qho reagent siv nyob rau hauv lub synthesis ntawm lub zog thiab xaiv abietane hom diterpenoid amides.
2,3-Pyrazinecarboxylic anhydride Kev npaj cov khoom thiab cov ntaub ntawv raw
Raw materials o-Phenylenediamine-->Glyoxal-->Quinoxaline
Preparation Products 2,3-Pyridinedicarboxylic anhydride-->6-methyl-5H,6H,7H,8H-pyrazino[2,3-d]pyridazine-5,8-dione-->5, 8-dichloropyrazino[2,3-d] pyridazine
|
Kev ntsuam xyuas (HPLC) |
Ntau dua lossis sib npaug li 98% |
99.02% |
|
Dej (Poob ntawm ziab) |
Tsawg dua los yog sib npaug rau 0.5% |
0.05% |
|
2, 3-Pyrazinedicarboxylic acid |
Tsawg dua lossis sib npaug li 1% |
0.55% |
|
2-Pyrazinecarboxylic acid |
Tsawg dua lossis sib npaug li 1% |
0.43% |
|
Tag nrho impurity |
Tsawg dua lossis sib npaug li 4% |
0.97% |
Ntim & Shipping
Cim npe nrov: pyrazine-2, 3-dicarboxylic anhydride |cas 4744-50-7, Tuam Tshoj pyrazine-2, 3-dicarboxylic anhydride |cas 4744-50-7 manufacturers, lwm tus neeg
