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16326 Pyrazine, 98%

CAS-Nummer
290-37-9
Synonyme
1,4-Diazine

Stock No. Größe Preis ($) Menge Verfügbarkeit
16326-09 10g 26,10
16326-18 50g 75,40
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Pyrazine, 98%

MDL
MFCD00006122
EINECS
206-027-6

Chemische Eigenschaften

Formel
C4H4N2
Molmasse
80.09
Form
Crystalline
Schmelzpunkt
50-56°
Siedepunkt
113-116°
Flammpunkt
55°(131°F)
Dichte
1.031
Brechungsindex
1.5235
Storage & Sensitivity
Hygroscopic. Store under Nitrogen. Ambient temperatures.
Löslichkeit
Soluble in water, alcohol, and ether.

Anwendungen

Pyrazine is used as a flavoring agent. It serves as a component of some herbs in traditional Chinese medicine. It is employed as pharmaceutical intermediates, perfume intermediates and involved in the preparation of other chemicals. In addition to this, it is used in the production of pyrazine 1-oxide.

Bemerkungen

Hygroscopic. Incompatible with acids and oxidizing agents.

Literaturverweise

Rivada-Wheelaghan, O.; Dauth, A.; Leitus, G.; Diskin-Posner, Y.; Milstein, D. Synthesis and Reactivity of Iron Complexes with a New Pyrazine-Based Pincer Ligand, and Application in Catalytic Low-Pressure Hydrogenation of Carbon Dioxide. Inorg. Chem. 2015, 54 (9), 4526-4538.

Sajima, T.; Nagamura, T.; Okawara, T.; Takehara, K. Enhanced Fluorescence of Triarylethenes Having a Pyrazine Ring in Microcrystals and Glassy Polymer Films. Sci. Adv. Mater. 2015, 7 (5), 981-984.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H228-H315-H319-H335

Flammable solid. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Sicherheitshinweise: P210-P261-P280a-P305+P351+P338-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Merck
14,7957
Beilstein
103905
Gefahrenklasse
4.1
Verpackungsgruppe
III
Harmonized Tariff Code
2933.99
TSCA
Yes
RTECS
UQ2015000

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