54793
Fluka
2-(4-Hydroxyphenylazo)benzoic acid
puriss. p.a., matrix substance for MALDI-MS, ≥99.5% (HPLC)
| Synonym: | 2-(4′-Hydroxybenzeneazo)benzoic acid, 4′-Hydroxyazobenzene-2-carboxylic acid, HABA, HBABA |
| CAS Number: | 1634-82-8 |
| Linear Formula: | HOC6H4N=NC6H4CO2H |
| Molecular Weight: | 242.23 |
| Beilstein Registry Number: | 1842696 |
| EC Number: | 216-655-2 |
| MDL number: | MFCD00002428 |
| PubChem Substance ID: | 24878994 |
Properties
| grade | matrix substance for MALDI-MS |
| puriss. p.a. | |
| assay | ≥99.5% (HPLC) |
| mp | 204-208 °C(lit.) |
| 204-208 °C | |
| solubility | ethanol: 20 mg/mL, clear |
| cation traces | Ca: ≤10 mg/kg |
| Cd: ≤5 mg/kg | |
| Co: ≤5 mg/kg | |
| Cr: ≤5 mg/kg | |
| Cu: ≤5 mg/kg | |
| Fe: ≤50 mg/kg | |
| K: ≤50 mg/kg | |
| Mg: ≤5 mg/kg | |
| Mn: ≤5 mg/kg | |
| Na: ≤100 mg/kg | |
| Ni: ≤5 mg/kg | |
| Pb: ≤5 mg/kg | |
| Zn: ≤5 mg/kg | |
| abs. | absorption |
Safety
| Personal Protective Equipment | dust mask type N95 (US), Eyeshields, Gloves |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | 3 |
References
| Beilstein | Beil. 16,IV,330 |
| reference | FT-IR 1 (2), 971:B / FT-IR 2 (3), 4078:C / IR-Spectra (2), 1265:B / IR-Spectra (3), 1454:E / NMR-Reference 2 (2), 980:A / RegBook 1 (2), 2739:N / Sigma FT-IR 1 (2), 151:A / Stains and Dyes Ref, 392 / Structure Index 1, 433:A:4 |
