Introduction:Basic information about CAS 290-37-9|Pyrazine, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | Pyrazine |
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| CAS Number | 290-37-9 | Molecular Weight | 80.088 |
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| Density | 1.1±0.1 g/cm3 | Boiling Point | 118.6±13.0 °C at 760 mmHg |
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| Molecular Formula | C4H4N2 | Melting Point | 50-56 °C(lit.) |
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| MSDS | ChineseUSA | Flash Point | 55.6±0.0 °C |
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| Symbol | GHS02, GHS07 | Signal Word | Danger |
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Names
| Name | pyrazine |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.1±0.1 g/cm3 |
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| Boiling Point | 118.6±13.0 °C at 760 mmHg |
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| Melting Point | 50-56 °C(lit.) |
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| Molecular Formula | C4H4N2 |
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| Molecular Weight | 80.088 |
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| Flash Point | 55.6±0.0 °C |
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| Exact Mass | 80.037445 |
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| PSA | 25.78000 |
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| LogP | -0.28 |
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| Vapour Pressure | 19.7±0.2 mmHg at 25°C |
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| Index of Refraction | 1.503 |
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| InChIKey | KYQCOXFCLRTKLS-UHFFFAOYSA-N |
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| SMILES | c1cnccn1 |
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| Storage condition | Flammables area |
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| Stability | Stable. Highly flammable. Incompatible with acids, oxidizing agents. |
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| Water Solubility | SOLUBLE |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- UQ2015000
- CHEMICAL NAME :
- Pyrazine
- CAS REGISTRY NUMBER :
- 290-37-9
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 7
- MOLECULAR FORMULA :
- C4-H4-N2
- MOLECULAR WEIGHT :
- 80.10
- WISWESSER LINE NOTATION :
- T6N DNJ
HEALTH HAZARD DATAACUTE TOXICITY DATA - TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 2730 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
MUTATION DATA - TYPE OF TEST :
- Cytogenetic analysis
- TEST SYSTEM :
- Rodent - hamster Ovary
- DOSE/DURATION :
- 2500 mg/L
- 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)
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Safety Information
| Symbol | GHS02, GHS07 |
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| Signal Word | Danger |
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| Hazard Statements | H228-H315-H319-H335 |
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| Precautionary Statements | P210-P261-P305 + P351 + P338 |
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| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
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| Hazard Codes | Xi,F |
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| Risk Phrases | R36/37/38:Irritating to eyes, respiratory system and skin . R11:Highly Flammable. |
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| Safety Phrases | S26-S36-S16 |
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| RIDADR | UN 1325 4.1/PG 2 |
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| WGK Germany | 3 |
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| RTECS | UQ2015000 |
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| Packaging Group | III |
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| Hazard Class | 4.1 |
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| HS Code | 29339990 |
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Customs
| 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% |
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Synonyms
| Paradiazine |
| EINECS 206-027-6 |
| Piazine |
| MFCD00006122 |
| 1,4-Diazabenzene |
| Pyrazine |
| 1,4-Diazine |
| p-Diazine |