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4-Trifluoromethylsalicylic acid

CAS No.
328-90-5
Chemical Name:
4-Trifluoromethylsalicylic acid
Synonyms
2-HYDROXY-4-(TRIFLUOROMETHYL)BENZOIC ACID;RARECHEM AL BE 1424;Desacetyl Triflusal;Triflusal Impurity 1;Triflusal EP Impurity B;Trifluoromethylsalicylicacid;p-Trifluoromethylsalicylicacid;4-(TRIFLUOROMETHY)SALICYLIC ACID;4- threefluorine Methylsalicylate;α,α,α-Trifluoro-2,4-cresotic Acid
CBNumber:
CB6245300
Molecular Formula:
C8H5F3O3
Molecular Weight:
206.12
MDL Number:
MFCD01529657
MOL File:
328-90-5.mol
MSDS File:
SDS
Last updated:2025-07-24 18:13:44

4-Trifluoromethylsalicylic acid Properties

Melting point 178 °C
Boiling point 286.4±40.0 °C(Predicted)
Density 1.539±0.06 g/cm3(Predicted)
vapor pressure 0.013-0.076Pa at 25℃
storage temp. Sealed in dry,Room Temperature
solubility DMSO (Slightly), Methanol (Slightly)
pka 2.45±0.10(Predicted)
form Solid
color White to Off-White
InChI InChI=1S/C8H5F3O3/c9-8(10,11)4-1-2-5(7(13)14)6(12)3-4/h1-3,12H,(H,13,14)
InChIKey XMLFPUBZFSJWCN-UHFFFAOYSA-N
SMILES C(O)(=O)C1=CC=C(C(F)(F)F)C=C1O
LogP 3.21
CAS DataBase Reference 328-90-5(CAS DataBase Reference)
FDA UNII UKY7YRE9E9
UNSPSC Code 41116107
NACRES NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P305+P351+P338
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36/37/39
HazardClass  IRRITANT
HS Code  29189900
NFPA 704
0
1 0

4-Trifluoromethylsalicylic acid price More Price(26)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich T2005010 Triflusal impurity B European Pharmacopoeia (EP) Reference Standard 328-90-5 15 mg $118 2025-07-31 Buy
Sigma-Aldrich T2005010 Triflusal impurity B European Pharmacopoeia (EP) Reference Standard 328-90-5 t2005010 $150 2024-03-01 Buy
TCI Chemical T2064 4-(Trifluoromethyl)salicylic Acid >98.0%(GC)(T) 328-90-5 5g $31 2025-07-31 Buy
TCI Chemical T2064 4-(Trifluoromethyl)salicylic Acid >98.0%(GC)(T) 328-90-5 25g $46 2025-07-31 Buy
TRC D288765 DesacetylTriflusal 328-90-5 25g $315 2021-12-16 Buy
Product number Packaging Price Buy
T2005010 15 mg $118 Buy
T2005010 t2005010 $150 Buy
T2064 5g $31 Buy
T2064 25g $46 Buy
D288765 25g $315 Buy

4-Trifluoromethylsalicylic acid Chemical Properties,Uses,Production

Chemical Properties

White to off-white solid

Uses

The active metabolite of Triflusal; inhibits cardiac hypertrophy in vitro and in vivo by blocking the NF-κB signaling pathway.

Definition

ChEBI: 2-Hydroxy-4-trifluoromethyl benzoic acid is a hydroxybenzoic acid. It is functionally related to a salicylic acid.

Synthesis

4-(Trifluoromethyl)benzoic acid

455-24-3

4-Trifluoromethylsalicylic acid

328-90-5

General procedure for the synthesis of 2-hydroxy-4-(trifluoromethyl)benzoic acid from 4-trifluoromethylbenzoic acid: III. Pd(II)-catalyzed tert-butyl hydroxylation reaction (General Method 02): Pd(OAc)2 (11.2 mg, 0.05 mmol), 4-trifluoromethylbenzoic acid (0.5 mmol), benzoquinone (54.0 mg, 0.5 mmol), KOAc (98.0 mg, 1 mmol), and N,N-dimethylacetamide (1.5 mL) were added to a 50 mL high-pressure reactor, and the unit was equipped with a magnetic stir bar. After filling the reactor with O2 (20 atm), it was evacuated and filled again with O2 (5 atm, repeated twice). The reaction mixture was stirred at 115 °C for 15 h and subsequently cooled to room temperature. Post-reaction treatment and purification of the crude product was carried out as described previously for hydroxylation under 1 atm O2 conditions.

References

[1] Journal of the American Chemical Society, 2009, vol. 131, # 41, p. 14654 - 14655
[2] Patent: WO2011/37929, 2011, A2. Location in patent: Page/Page column 14; 19-20

455-24-3
328-90-5
Synthesis of 4-Trifluoromethylsalicylic acid from 4-(Trifluoromethyl)benzoic acid
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View Lastest Price from 4-Trifluoromethylsalicylic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-Trifluoro Methyl Salicylic Acid pictures 2025-09-11 4-Trifluoro Methyl Salicylic Acid
328-90-5
US $0.00 / kg 1kg 98% 1000 Hebei Junhua Import and Export Co., LTD
4-Trifluoromethylsalicylic acid pictures 2025-09-11 4-Trifluoromethylsalicylic acid
328-90-5
US $0.00-0.00 / Kg/Drum 1KG 99%min 500KGS WUHAN FORTUNA CHEMICAL CO., LTD
4-Trifluoromethylsalicylic acid pictures 2025-08-08 4-Trifluoromethylsalicylic acid
328-90-5
US $500.00 / g 100g 99% 200ton Hebei Mujin Biotechnology Co.,Ltd
4-(Trifluoromethyl)salicylic acid, 2-Carboxy-5-(trifluoromethyl)phenol, 4-Carboxy-3-hydroxybenzotrifluoride 4-(TrifluoroMethyl)salicylic acid, water ≤0.3% α,α,α-Trifluoro-2,4-cresotic Acid 4- threefluorine Methylsalicylate 4-(TrifluoroMethyl)benzoic Acid, 97+% p-Trifluoromethylsalicylicacid 4-(TRIFLUOROMETHYL)SALICYLIC ACID 2-HYDROXY-4-(TRIFLUOROMETHYL)BENZOIC ACID 4-Trifluoro Methyl Salicylic Acid (>=99%) RARECHEM AL BE 1424 4-(TRIFLUOROMETHYL)-2-HYDROXYBENZOIC ACID 4-(TRIFLUOROMETHY)SALICYLIC ACID 4-TrifluoromethylSalicylicAcid>99.0% 4-Trifluoromethy Salicylic Acid >99.0% Trifluoromethylsalicylicacid 2-HYDROXY-4-TRIFLUOROMETHYLBENZOIC ACID, 4-TRIFLUORO METHYL SALICYLIC ACID BENZOIC ACID, 2-HYDROXY-4-(TRIFLUOROMETHYL)- Desacetyl Triflusal 4-(Trifluoromethyl)salicylic acid, 99%, water ≤0.3% 2-Hydroxy-4-(trifluoromethyl)benzoic acid 98% Triflusal EP Impurity B 2-Hydroxy-4-(trifluoromethyl)benzoi Triflusal Impurity 2 (Triflusal EP Impurity B) 4-TRIFLUOROMETHYL SALICYLIC ACID/328-90-5 TIANFUCHEM--328-90-5--4-Trifluoromethylsalicylic acid factory price Triflusal Impurity 1 328-90-5 Intermediates & Fine Chemicals Metabolites & Impurities Pharmaceuticals Aromatics Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts 328-90-5