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Description

Trimethoprim

Inhibits dihydrofolate reductase. Active against most gram negative and gram positive aerobic bacteria.

Techncial Information:

  • Synonym: Trimpex
  • Toxicity LD50: 7 gm/kg
  • Appearance: Solid
  • Boiling Point: ~526.0 °C at 760 mmHg (Predicted)
  • Density: ~1.3 g/cm3 (Predicted)
  • Melting Point: 199-203 °C
  • RTECS Number: UV8225000

Properties

Shelf life

5 years

Storage Temperature

2-8°C

ECCN #

EAR99

European Com.#

212-006-2

Purity

>98%

Appearance color

White to off-white

Appearance form

Powder

Molecular Formula

C14H18N4O3

Molecular Weight

290.32

Melting point

199 - 203°C

Solubility (@ RT)

H2O: 0.4 mg/mL
Methanol: 12.1 mg/mL
Ethanol: 2.6 mg/mL at 20C
Chloroform: 22.2 mg/mL at 20C
DMSO: 50 mg/mL