Sodium iodoacetate
CAS Number305-53-3
FormulaN/A
Mol. Weight207.93 g/mol
Sodium iodoacetate
What is Sodium iodoacetate?
Sodium iodoacetate is a chemical compound with CAS number 305-53-3. It is used in various industrial and research applications.
Applications
Reagent for the modification of cysteine residues in proteins. Used in protein sequencing (including by Sanger in sequencing bovine insulin) to prevent oxidation of -SH sidechains.
Specifications
Linear Formula
ICH2COONa
Molecular Weight
207.93 g/mol
Assay/Purity
≥98.0% (NT)
Impurities
≤0.0005% Phosphorus (P)
≤0.1% Insoluble matter
Solubility
H2O: soluble0.5 M, clear, colorless
Safety Information
GHS05
GHS06Signal Word
Danger
Hazard Statements
H301-H315-H318-H335
Precautionary Statements
P261-P280-P301 + P310-P305 + P351 + P338
Required PPE
Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
Melting Point
208 °C (dec.)(lit.)
Anion Traces
sulfate (SO42-): ≤0.05%
Cation Traces
Al: ≤0.0005%
Ca: ≤0.001%
Cu: ≤0.001%
Fe: ≤0.0005%
K: ≤0.02%
Mg: ≤0.0005%
NH4+: ≤0.05%
Pb: ≤0.001%
Zn: ≤0.0005%
EC Number
206-165-7
WGK Germany
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