DOCUMENTATION_FORMAT: VOLATILE
SAMPLE_ID: Purine SA-P55805
MATERIAL_TYPE: Benzene Derivative
MATERIAL: Purine
FORMULA: C5H4N4
FORMULA_HTML: C5H4N4
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:
Faint yellow powder
Other Names: Purine, Isopurine, beta-Purine, Imidazopyrimidine, 7H-Purine
CAS #: 120-73-0
Sigma Aldrich Product #: P55805
Sigma Aldrich Lot #: STBC2661V
Sigma Aldrich Analysis
APPEARANCE (Color) Faint yellow (Form) Powder
TITRATION (NT) HCLO4 0.1M 99.7%
PURITY (HPLC AREA %) 99.9%
SOLUBILITY Faint yellow (COLOR) Slightly hazy (TURBIDITY) 50 mg/ml, H2O (METHOD)
INFRARED SPECTRUM Conforms
IMAGE_OF_SAMPLE: None
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