trans-2-[3-(4-tert-Butylphenyl)-2-methyl-2-propenylidene]malononitrile ≥99.0% (by HPLC) matrix substance for MALDI-MS, Supelco®
Supplier: Merck
Certificates
About this item
Synonyms: DCTB
CAS Number:300364-84-5
:
Formula:C₁₇H₁₈N₂
MDL Number:MFCD03453260
Molecular Weight:250.35 g/mol
Melting Pt:123…126 °C
:M-Clarity™ quality level = MQ100
:GHS07
Specifications
- Environmentally Preferable:
Specifications
Specification Test Results
- Appearance (Color):Faint Yellow to Yellow
- Appearance (Form):Powder
- Purity (HPLC area %):≥ 99.0 %
- Melting Point:123 - 126 C
- Solubility (Color):Yellow to Very Dark Yellow and Green-Yellow to Very Dark Green-Yellow
- Solubility (Turbidity):Clear
- Solubility (Method):0.1G IN 10ML CHLOROFORM
- Proton NMR Spectrum:Conforms to structure
- Test by UV Spectroscopy:Corresponds to requirements
- Metal trace Analysis (ICP):Corresponds to requirements
- BARIUM (ICP):≤ 5.0 mg/kg
- CALCIUM (ICP):≤ 5.0 mg/kg
- CADMIUM (ICP):≤ 5.0 mg/kg
- COBALT (ICP):≤ 5.0 mg/kg
- CHROMIUM (ICP):≤ 5.0 mg/kg
- COPPER (ICP):≤ 5.0 mg/kg
- POTASSIUM (ICP):≤ 5.0 mg/kg
- MAGNESIUM (ICP):≤ 5.0 mg/kg
- MANGANESE (ICP):≤ 5.0 mg/kg
- SODIUM (ICP):≤ 10 mg/kg
- NICKEL (ICP):≤ 5.0 mg/kg
- LEAD (ICP):≤ 5.0 mg/kg
- ZINC (ICP):≤ 5.0 mg/kg
- RECOMMENDED RETEST PERIOD:42 MONTHS
Specification Test Results
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