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CAS RN: 33005-95-7 | Product Number: T3175

Tiaprofenic Acid

Purity: >98.0%(GC)(T)
  • 2-(5-Benzoylthiophen-2-yl)propionic Acid
3   ≥20 
2   19  

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Product Number T3175
Purity / Analysis Method >98.0%(GC)(T)
Molecular Formula / Molecular Weight C__1__4H__1__2O__3S = 260.31  
Physical State (20 deg.C) Solid
CAS RN 33005-95-7
Reaxys Registry Number 1380662
PubChem Substance ID 253660472
Merck Index (14) 9422
MDL Number


Appearance White to Almost white powder to crystal
Purity(GC) min. 98.0 %
Purity(Neutralization titration) min. 98.0 %
Melting point 96.0 to 100.0 °C
Properties (reference)
Melting Point 99 °C
Maximum Absorption Wavelength 314(Phosphate buffer sol.) nm
Pictogram Pictogram
Signal Word Danger
Hazard Statements H301 : Toxic if swallowed.
H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P270 : Do not eat, drink or smoke when using this product.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P301 + P310 + P330 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. Rinse mouth.
Related Laws: / Compliance with laws, Regulations
Enzyme Commission 251-329-3
RTECS# XM7580000
Transport Information:
UN Number UN2811
Class 6.1
Packing Group III
HS Number 2934999090
Tiaprofenic acid: A NSAID of the 2-Arylpropionic Acid Class.

Tiaprofenic acid is a nonsteroidal anti-inflammatory drug (NSAID) of the 2-arylpropionic acid (2-APA) class. The S-enantiomer possessing most of the beneficial anti-inflammatory activity. Tiaprofenic acid and the other 2-APAs (eg: carprofen [C2701], naproxen [M1021] and ketoprofen [K0038]) have been reported their photosensitizing side effects caused by their photodegradation products.


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