290-37-9

290-37-9 structure

Name	pyrazine
Synonyms	Paradiazine EINECS 206-027-6 Piazine MFCD00006122 1,4-Diazabenzene Pyrazine 1,4-Diazine p-Diazine

Density	1.1±0.1 g/cm3
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

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

REFERENCE :: FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 18,581,1980 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5605 No. of Facilities: 3 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 61 (estimated) No. of Female Employees: 3 (estimated)

Symbol	GHS02, GHS07
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

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%