Sulfamethoxazole CAS NO.723-46-6

Sulfamethoxazole Basic information

Product Name:    Sulfamethoxazole
Synonyms:    3-(p-aminophenylsulfonamido)-5-methylisoxazole;3-(para-Aminophenylsulphonamido)-5-methylisoxazole;3-Sulfanilamido-5-methylisoxazole;3-Sulphanilamido-5-methylisoxazole;4-amino-n-(5-methyl-3-isoxazolyl)-benzenesulfonamid;5-Methyl-3-sulfanilamidoisoxazole;5-methyl-3-sulfanylamidoisoxazole;5-Methyl-3-sulfonylamidoisoxazole
CAS:    723-46-6
MF:    C10H11N3O3S
MW:    253.28
EINECS:    211-963-3
Product Categories:   
Mol File:    723-46-6.mol
 

Sulfamethoxazole Chemical Properties
Melting point     166 °C
Boiling point     482℃
density     1.3915 (rough estimate)
refractive index     1.6630 (estimate)
Fp     >110°(230°F)
storage temp.     0-6°C
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)