This product is a synthetic antimicrobial sulfa drug and a reference standard for the HPLC, which is the principal method for detection of residues.
Catalog Number
CSVD0152
Storage Condition
0-6 °C
Use for
HPLC
CAS
723-46-6
Molecular Formula
C10H11N3O3S
Molecular Weight
253.28
Appearance
White, crystalline powder
Melting Point
166 °C
Boiling Point
482℃
Density
1.3915 (rough estimate)
Refractive Index
1.6630 (estimate)
Purity
99.0+% (HPLC), 99.0+% (Titration)
Flash Point
>110 °C(230 °F)
Compound
Sulfamethoxazole
Solubility
Practically insoluble in water, freely soluble in acetone, sparingly soluble in ethanol (96 per cent). It dissolves in dilute solutions of sodium hydroxide and in dilute acids.
Form
neat
Pka
5.60±0.05 (Uncertain)
Water Solubility
Soluble in ethanol or acetone. Very slightly soluble in water