Certificate Of Analysis
Part Number: M-348112
Product Name: Methanol
General Information:

LOT NUMBER: CN210905-11
FORMULA: CH3OH
FORMULA WEIGHT: 32.04
CAS NUMBER: 67-56-1
MDL NUMBER: MFCD00004595
QUALITY RELEASE DATE: 5-Sep-2021
EXPIRATION DATE: 4-Sep-2025
LONG TERM STORAGE: Room Temperature
Test |
Specification |
Result |
Appearance(Color) |
Colorless |
Colorless |
Appearance(Turbidity) |
Clear |
Clear |
Appearance(Form) |
Liquid |
Liquid |
Proton NMR Spectrum |
Conforms to Structure |
Conforms |
Purity(GC) |
≥99.5% |
99.95% |
Water(H2O) |
≤0.005% |
0.004% |
Non-volatile matter |
≤0.0003% |
Conforms |
Fluorescence at 254 nm |
≤ 1 ppb |
Conforms |
Fluorescence at 365 nm |
≤ 1 ppb |
Conforms |
Suitability for IR spectrometry |
Passes test |
Passes test |
Recommended Retest Period |
---- |
4 Years |
Note: Stanford Chemicals guarantees the purity of this chemical standard +/- 0.5 % deviation prior to the expiration date shown on the label. This guarantee is exclusive of any contamination caused by the customer.
注:以上信息仅供参考,以产品附带证书为准。