4-Trifluoromethylsalicylic acid (Desacetyl triflusal) is a platelet aggregation inhibitor.

Physicochemical Properties

Molecular Formula	C8H5F3O3
Molecular Weight	206.12
Exact Mass	206.019
CAS #	328-90-5
Related CAS #	4-Trifluoromethylsalicylic acid-13C6;1246817-12-8
PubChem CID	164578
Appearance	White to off-white solid powder
Density	1.5±0.1 g/cm3
Boiling Point	286.4±40.0 °C at 760 mmHg
Melting Point	178ºC
Flash Point	127.0±27.3 °C
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.510
LogP	4.16
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	6
Rotatable Bond Count	1
Heavy Atom Count	14
Complexity	226
Defined Atom Stereocenter Count	0
InChi Key	XMLFPUBZFSJWCN-UHFFFAOYSA-N
InChi Code	InChI=1S/C8H5F3O3/c9-8(10,11)4-1-2-5(7(13)14)6(12)3-4/h1-3,12H,(H,13,14)
Chemical Name	2-hydroxy-4-(trifluoromethyl)benzoic acid
HS Tariff Code	2934.99.9001
Storage	Powder-20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
Shipping Condition	Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)

Biological Activity

References	[1]. Hydrophilic polymer drug from a derivative of salicylic acid: synthesis, controlled release studies and biological behavior. Macromol Biosci. 2004;4(6):579-586.
Additional Infomation	2-Hydroxy-4-trifluoromethyl benzoic acid is a hydroxybenzoic acid. It is functionally related to a salicylic acid.

Solubility Data

Solubility (In Vitro)

DMSO: 100 mg/mL (485.15 mM)

Solubility (In Vivo)

Solubility in Formulation 1: ≥ 2.5 mg/mL (12.13 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution. For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL. Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution. Solubility in Formulation 2: ≥ 2.5 mg/mL (12.13 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution. For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly. Preparation of 20% SBE-β-CD in Saline (4°C，1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.  (Please use freshly prepared in vivo formulations for optimal results.)

Preparing Stock Solutions		1 mg	5 mg	10 mg
	1 mM	4.8515 mL	24.2577 mL	48.5154 mL
	5 mM	0.9703 mL	4.8515 mL	9.7031 mL
	10 mM	0.4852 mL	2.4258 mL	4.8515 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.