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DOCUMENTATION_FORMAT: VOLATILE
SAMPLE_ID: Pyrazine SA-W401501
MATERIAL_TYPE: Benzene Derivative
MATERIAL: Pyrazine
FORMULA: C4H4N2
FORMULA_HTML: C4H4N2
COLLECTION_LOCALITY: Purchased from Sigma Aldrich chemistry
COLLECTION_LATITUDE: Not Available # degrees and decimal minutes (N or S)
COLLECTION_LONGITUDE: Not Available # degrees and decimal minutes (W or E)
DATUM: Not Available # coordinate datum
ORIGINAL_DONOR:
CURRENT_SAMPLE_LOCATION: USGS Spectroscopy Lab, Denver, CO
ULTIMATE_SAMPLE_LOCATION: USGS Spectroscpy Lab, Denver, CO
SAMPLE_DESCRIPTION:
Sample has clear to white acicular crystals 2-10mm long
Other Names: Pyrazine
CAS #: 290-37-9
Sigma Aldrich Product #: W401501
Sigma Aldrich Lot #: MKBF7537V
Analysis was performed by Sigma Aldrich
Appearance (Color): White
Appearance (Form): Crystals
Initial Melting Point: 53.2 degrees C
Final Melting Point: 55.7 degrees C
Infrared Spectrum: conforms
Purity Gas Chromatograph: 99.9%
Water: 0.05%
Solubility (Turbidity): Clear
Solubility (Color) c=50mg/ml H2O: Colorless
Arsenic (As): Less than 1.0 ppm
Cadmium (Cd): Less than 1.0 ppm
Mercury (Hg): Less than 1.0 ppm
Lead (Pb): Less than 1.0 ppm
IMAGE_OF_SAMPLE: Not Available
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: Analysis done by Sigma Aldrich, The Certificate of Analysis can be found on the Sigma Aldrich Website using the Product and Lot Numbers.
COMPOSITION_TRACE: None
COMPOSITION_DISCUSSION:
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION:
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1a2a3a4_ # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns