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Pharmacopeial Impurities (EP / USP / BP)

Triflusal EP Impurity B

Reference StandardAvailable on request

Buy Triflusal EP Impurity B (CAS 328-90-5) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes
Triflusal EP Impurity B chemical structure
CAS number328-90-5
FormulaC8H5F3O3
Molar mass206.12 g/mol
Physical formSolid
HS code38229090
InChIKeyXMLFPUBZFSJWCN-UHFFFAOYSA-N
IUPAC name2-hydroxy-4-(trifluoromethyl)benzoic acid

About Triflusal EP Impurity B

Analytical teams working on Triflusal use Triflusal EP Impurity B as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 328-90-5, formula C8H5F3O3 and molar mass 206.12 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Safe handling

It carries the GHS signal word Danger (H301, H315, H318 and H319), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Triflusal

See every impurity, metabolite and related compound we list for this API.

Triflusal standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Triflusal EP Impurity B
Product nameTriflusal EP Impurity B
Catalogue numberZX-032942
CAS number328-90-5
IUPAC name2-hydroxy-4-(trifluoromethyl)benzoic acid
Molecular formulaC8H5F3O3
Molar mass206.12 g/mol
Exact mass206.0191
GradeReference Standard
Physical formSolid
XLogP33.5
H-bond donors / acceptors2 / 6
Topological polar surface area57.5 Ų
HS code38229090
InChIKeyXMLFPUBZFSJWCN-UHFFFAOYSA-N
SMILESC1=CC(=C(C=C1C(F)(F)F)O)C(=O)O
PubChem CID164578
SynonymsDesacetyl Triflusal, 4-Trifluoromethylsalicylic acid, 2-Hydroxy-4-trifluoromethylbenzoic acid, 4-Tfmsa, Benzoic acid, 2-hydroxy-4-(trifluoromethyl)-, 4-(Trifluoromethyl)salicylic Acid, 4-Trifluoromethyl salicylic acid, 4-Trifluoro Methyl Salicylic Acid, 2-Hydroxy-4-trifluoromethyl benzoic acid, 4-Trifluoromethylsalicylicacid, 2-Hydroxy-4-(trifluoromethyl)benzoic Acid (4-(Trifluoromethyl)salicylic Acid), p-(trifluoromethyl)salicylic acid

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS06 Acute toxicity
Acute toxicity
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H301Toxic if swallowed
  • H315Causes skin irritation
  • H318Causes serious eye damage
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H412Harmful to aquatic life with long lasting effects

Precautionary statements P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Triflusal EP Impurity B
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Triflusal EP Impurity B

Which CAS number identifies Triflusal EP Impurity B?
Triflusal EP Impurity B is registered under CAS 328-90-5. You may also see it listed as Desacetyl Triflusal, 4-Trifluoromethylsalicylic acid, 2-Hydroxy-4-trifluoromethylbenzoic acid. Our catalogue number for this item is ZX-032942.
What are the formula and molar mass of Triflusal EP Impurity B?
For Triflusal EP Impurity B, its formula is C8H5F3O3 and its molar mass is 206.12 g/mol. The systematic (IUPAC) name is 2-hydroxy-4-(trifluoromethyl)benzoic acid. InChIKey XMLFPUBZFSJWCN-UHFFFAOYSA-N lets you match it in any structure database.
How is Triflusal EP Impurity B used in pharmaceutical QC?
Triflusal EP Impurity B is a characterised reference material linked to Triflusal. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Triflusal EP Impurity B?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Triflusal EP Impurity B?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Triflusal EP Impurity B to my country?
Yes. Because Triflusal EP Impurity B is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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