Pyrido[2,3-b]pyrazine

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Names

[ CAS No. ]:
322-46-3

[ Name ]:
Pyrido[2,3-b]pyrazine

[Synonym ]:
1,4,5-Triazanaphthalene
MFCD00053172
2,3-pyridopyrazine
Pyrido(2,3-b)pyrazine
1,4,5-trazanaphthalene
1,4,5-Triazanaphthalin
Pyrido(3,2-b)pyrazine
EINECS 206-294-9
5-azaquinoxaline

Chemical & Physical Properties

[ Density]:
1.27 g/cm3

[ Boiling Point ]:
253.9ºC at 760 mmHg

[ Melting Point ]:
139-143 °C

[ Molecular Formula ]:
C₇H₅N₃

[ Molecular Weight ]:
131.13500

[ Flash Point ]:
115.9ºC

[ Exact Mass ]:
131.04800

[ PSA ]:
38.67000

[ LogP ]:
1.02480

[ Index of Refraction ]:
1.665

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UV1151600

CHEMICAL NAME :: Pyrido(2,3-b)pyrazine

CAS REGISTRY NUMBER :: 322-46-3

BEILSTEIN REFERENCE NO. :: 0111634

LAST UPDATED :: 199709

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C7-H5-N3

MOLECULAR WEIGHT :: 131.15

WISWESSER LINE NOTATION :: T66 BN EN JNJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 180 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#03516

Safety Information

[ Hazard Codes ]:
Xn:Harmful;

[ Risk Phrases ]:
R20/21/22;R36/37/38

[ Safety Phrases ]:
S36/37/39-S26

[ RTECS ]:
UV1151600

[ HS Code ]:
2933990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2933990090

[ Summary ]:
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%