54793
2-(4-Hydroxyphenylazo)benzoic acid
suitable for matrix substance for MALDI-MS, ≥99.5%
Synonym(s):
2-(4′-Hydroxybenzeneazo)benzoic acid, 4′-Hydroxyazobenzene-2-carboxylic acid, HABA, HBABA
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About This Item
Quality Segment
assay
≥99.5% (HPLC), ≥99.5%
analyte functional class(es)
polymers
analyte chemical class(es)
glycans, peptides, proteins
technique(s)
MALDI-MS: suitable
mp
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
absorption
≥2000 at 337 nm (mol. absorption)
suitability
suitable for matrix substance for MALDI-MS
SMILES string
Oc1ccc(cc1)\N=N\c2ccccc2C(O)=O
InChI
1S/C13H10N2O3/c16-10-7-5-9(6-8-10)14-15-12-4-2-1-3-11(12)13(17)18/h1-8,16H,(H,17,18)/b15-14+
InChI key
DWQOTEPNRWVUDA-CCEZHUSRSA-N
General description
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Storage Class
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2
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