Pyrazine-2,3-Dicarboxylic Anhydride 4744-50-7 Assay 99.02% white powder CAS NO.32779-36-5

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Product Details

Keywords

2 3-Py Razinedica boxylic Anbyd Yide
2 3-Pyrazine Dicarbo
5H 7H-furo[3 4-b]pyrazine-5 7-dione

Quick Details

ProName: Pyrazine-2,3-Dicarboxylic Anhydride 4...
CasNo: 32779-36-5
Molecular Formula: C4H2BrClN2
Appearance: white powder
Application: 2,3-Pyrazinedicarboxylic Anhydride is ...
DeliveryTime: in the 5-17working days
PackAge: Drum & plastic bags, Aluminum foiled b...
Port: Shanghai
ProductionCapacity: 5 Metric Ton/Month
Purity: 99.03%
Storage: room temperature
Transportation: Not dangerous goods
LimitNum: 1 Kilogram
Related Substances: Water0.05% Total Impurity 0.97%
Valid Period: 2 years
Water: 0.05%
Total Impurity: 0.97%

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Details

Product Name: 2,3-Pyrazinecarboxylic anhydride

CAS:   4744-50-7
MF:   C6H2N2O3
MW:   150.09
EINECS:   225-260-4
Product Categories:   Pesticide intermediates; GLYCINESCAFFOLD;Fused Ring Systems
Mol File:   4744-50-7.mol

Melting point    210 °C (dec.)(lit.)
Boiling point    357.3±22.0 °C(Predicted)
density    1.686±0.06 g/cm3(Predicted)
storage temp.    Inert atmosphere,Room Temperature
solubility    Actonitrile (Slightly), DMSO
pka   -3.43±0.20(Predicted)
form    Solid
color    White to light brown crystalline powder
LogP   -0.900 (est)
CAS DataBase Reference   4744-50-7(CAS DataBase Reference)

Hazard Codes    Xi
Risk Statements    36/37/38
Safety Statements    26-36
WGK Germany    3
Hazard Note    Irritant
HS Code    29349990

Assay(HPLC)	≥98%	99.02%
Water(Loss on drying)	≤0.5%	0.05%
2,3-Pyrazinedicarboxylic acid	≤1%	0.55%
2-Pyrazinecarboxylic acid	≤1%	0.43%
TOtal impurity	≤4%	0.97%