o-Arsanilic acid
CAS Number2045-00-3
FormulaH2NC6H4AsO3H2
Mol. Weight217.05 g/mol
o-Arsanilic acid
What is o-Arsanilic acid?
o-Arsanilic acid is a chemical compound with CAS number 2045-00-3 and molecular formula H2NC6H4AsO3H2. It is used in various industrial and research applications.
Applications
o-Arsanilic acid was used in the determination of total arsenic in urine samples using nickel and palladium as matrix modifiers1. It was used to study the inhibition of the binding of labeled anti-cross-reactive idiotype(CRI) preparations to a CRI+ hybridoma proteins by haptens in mice2.
Specifications
Linear Formula
H2NC6H4AsO3H2
Molecular Weight
217.05 g/mol
Assay/Purity
98%
Solubility
1 M NH4OH: soluble50 mg/mL, clear to turbid (orange-brown)
Safety Information
GHS06
GHS09Signal Word
Danger
Hazard Statements
H301-H331-H410
Precautionary Statements
P261-P273-P301 + P310-P311-P501
Required PPE
dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
Melting Point
154-155 °C(lit.)
EC Number
218-064-5
WGK Germany
3