trans-2-[3-(4-tert-Butylphenyl)-2-methyl-2-propenylidene]malononitrile
SIAL/87884 - matrix substance for MALDI-MS, ≥99.0% (HPLC)
Synonym: DCTB
CAS Number: 300364-84-5
Empirical Formula (Hill Notation): C17H18N2
Molecular Weight: 250.34
MDL Number: MFCD03453260
Linear Formula: C17H18N2
Product Type: Chemical
absorption | >2000 at 337 nm (mol. absorption) |
assay | ≥99.0% (HPLC) |
cation traces | Ba: ≤5 mg/kg |
Ca: ≤5 mg/kg | |
Cd: ≤5 mg/kg | |
Co: ≤5 mg/kg | |
Cr: ≤5 mg/kg | |
Cu: ≤5 mg/kg | |
K: ≤5 mg/kg | |
Mg: ≤5 mg/kg | |
Mn: ≤5 mg/kg | |
Na: ≤10 mg/kg | |
Ni: ≤5 mg/kg | |
Pb: ≤5 mg/kg | |
Zn: ≤5 mg/kg | |
form | powder |
grade | matrix substance for MALDI-MS |
InChI | 1S/C17H18N2/c1-13(10-15(1 |
InChI key | OIASAVWSBWJWBR-UKTHLTGXSA |
mp | 123-126 °C |
Quality Level | 100 ![]() |
SMILES string | CC(=C/c1ccc(cc1)C(C)(C)C) |
technique(s) | MALDI-MS: suitable |
Other Notes: | Used as matrix for MALDI-MS |
Packaging: | 1 g in glass bottle |
Packaging: | 250 mg in glass bottle |
Symbol | ![]() |
Signal word | Warning |
Hazard statements | H302 + H312 + H332 |
Precautionary statements | P280 - P301 + P312 + P330 - P302 + P352 + P312 - P304 + P340 + P312 |
Hazard Codes | Xn |
Risk Statements | 20/21/22 |
Safety Statements | 36 |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 3 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | ≥99.0% (HPLC) |
mp | 123-126 °C |
UNSPSC | 12000000 |