Basic information Brand Name(s) in US Sulfonamide drugs Mechanism of action Chemical Properties Uses Production method Safety Related Supplier

Sulfamethoxazole

Product NameSulfamethoxazole

CAS723-46-6

MFC10H11N3O3S

MW253.28

EINECS211-963-3

MOL File723-46-6.mol

Chemical Properties

Melting point 166 °C
Boiling point 482℃
Density  1.3915 (rough estimate)
refractive index  1.6630 (estimate)
Flash point >110°(230°F)
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
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 pKa 5.60±0.05 (Uncertain)
Water Solubility  Soluble in ethanol or acetone. Very slightly soluble in water
Sensitive  Light Sensitive
Merck  14,8918
BRN  6732984
Stability Stable, but light sensitive. Incompatible with strong oxidizing agents.
InChIKey JLKIGFTWXXRPMT-UHFFFAOYSA-N
CAS DataBase Reference 723-46-6(CAS DataBase Reference)
IARC 3 (Vol. Sup 7, 79) 2001
NIST Chemistry Reference Sulfanilamide, n1-(5-methyl-3-isoxazolyl)-(723-46-6)
EPA Substance Registry System Sulfamethoxazole (723-46-6)

Safety Information

Hazard Codes  Xi,Xn
Risk Statements  36/37/38-43-22
Safety Statements  26-36-36/37/39-22
WGK Germany  2
RTECS  WP0700000
Hazard Note  Irritant
TSCA  Yes
HazardClass  IRRITANT
HS Code  29350090
Hazardous Substances Data 723-46-6(Hazardous Substances Data)
Toxicity LD50 orally in mice: 3662 mg/kg (Yamamoto)

MSDS

Usage And Synthesis

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