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Appearance:white powder
Throughput:100|Kilogram|Month
pd_productuse:intermediate
Delivery Time:large stock
Purity:99% purity
Trimethoprim Chemical Properties
Melting point 199-203 °C
Boiling point 432.41°C (rough estimate)
density 1.1648 (rough estimate)
refractive index 1.6000 (estimate)
storage temp. 2-8°C
solubility DMSO: soluble
pka 6.6(at 25℃)
form white powder
color colorless or white
Water Solubility <0.1 g/100 mL at 24 ºC
Merck 14,9709
BRN 625127
Stability: Stable. Incompatible with strong oxidizing agents, acids.
CAS DataBase Reference 738-70-5(CAS DataBase Reference)
NIST Chemistry Reference Trimethoprim(738-70-5)
EPA Substance Registry System Trimethoprim (738-70-5)
Safety Information
Hazard Codes T
Risk Statements 25
Safety Statements 45-24/25
RIDADR 3249
WGK Germany 3
RTECS UV8225000
F 8-10-21
HazardClass 6.1(b)
PackingGroup III
HS Code 29335995
Hazardous Substances Data 738-70-5(Hazardous Substances Data)
Toxicity LD50 orally in mice: 7000 mg/kg (Yamamoto)
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