Name | pyrazine |
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Synonyms |
Paradiazine
EINECS 206-027-6 Piazine MFCD00006122 1,4-Diazabenzene Pyrazine 1,4-Diazine p-Diazine |
Density | 1.1±0.1 g/cm3 |
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Boiling Point | 118.6±13.0 °C at 760 mmHg |
Melting Point | 50-56 °C(lit.) |
Molecular Formula | C4H4N2 |
Molecular Weight | 80.088 |
Flash Point | 55.6±0.0 °C |
Exact Mass | 80.037445 |
PSA | 25.78000 |
LogP | -0.28 |
Vapour Pressure | 19.7±0.2 mmHg at 25°C |
Index of Refraction | 1.503 |
Storage condition | Flammables area |
Stability | Stable. Highly flammable. Incompatible with acids, oxidizing agents. |
Water Solubility | SOLUBLE |
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATAACUTE TOXICITY DATA
MUTATION DATA
|
Symbol |
![]() ![]() GHS02, GHS07 |
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Signal Word | Danger |
Hazard Statements | H228-H315-H319-H335 |
Precautionary Statements | P210-P261-P305 + P351 + P338 |
Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
Hazard Codes | Xi,F |
Risk Phrases | R36/37/38:Irritating to eyes, respiratory system and skin . R11:Highly Flammable. |
Safety Phrases | S26-S36-S16 |
RIDADR | UN 1325 4.1/PG 2 |
WGK Germany | 3 |
RTECS | UQ2015000 |
Packaging Group | III |
Hazard Class | 4.1 |
HS Code | 29339990 |
Precursor 10 | |
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DownStream 10 | |
HS Code | 2933990090 |
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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% |