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Pharmacopeial Impurities (EP / USP / BP)

Acetylsalicylic Acid EP Impurity E

Reference StandardIn stock

Order Acetylsalicylic Acid EP Impurity E (CAS 552-94-3) online at Zemixal: C14H10O5, COA and SDS with every lot, worldwide shipping.

Pack sizes
Acetylsalicylic Acid EP Impurity E chemical structure
CAS number552-94-3
FormulaC14H10O5
Molar mass258.23 g/mol
Physical formSolid
HS code38229090
InChIKeyWVYADZUPLLSGPU-UHFFFAOYSA-N
IUPAC name2-(2-hydroxybenzoyl)oxybenzoic acid

About Acetylsalicylic Acid EP Impurity E

Acetylsalicylic Acid EP Impurity E belongs to the Acetylsalicylic Acid reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 552-94-3, formula C14H10O5 and molar mass 258.23 g/mol. It is handled as a solid.

Typical applications

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

Safe handling

Classified under GHS with signal word Warning and hazard statements H302, H315, H319 and H335. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Acetylsalicylic Acid

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

Acetylsalicylic Acid standards

Typical uses

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

Applications

Grade guides

Specifications and identifiers

Specifications of Acetylsalicylic Acid EP Impurity E
Product nameAcetylsalicylic Acid EP Impurity E
Catalogue numberZX-005555
CAS number552-94-3
IUPAC name2-(2-hydroxybenzoyl)oxybenzoic acid
Molecular formulaC14H10O5
Molar mass258.23 g/mol
Exact mass258.0528
GradeReference Standard
Physical formSolid
XLogP33
H-bond donors / acceptors2 / 5
Topological polar surface area83.8 Ų
HS code38229090
InChIKeyWVYADZUPLLSGPU-UHFFFAOYSA-N
SMILESC1=CC=C(C(=C1)C(=O)OC2=CC=CC=C2C(=O)O)O
PubChem CID5161
Synonyms2-(2-Hydroxybenzoyloxy)benzoic acid, 2-Hydroxybenzoic acid 2-carboxyphenyl ester, Diacesal, Diplosal, Disalcid, Disalgesic, Disalicylic acid, Salicyl Salicylate, Salicyloxysalicylic Acid, Disalyl, Mono-Gesic, Nobacid

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Warning

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H400Very toxic to aquatic life

Precautionary statements P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P391, 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 Acetylsalicylic Acid EP Impurity E
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 Acetylsalicylic Acid EP Impurity E

Which CAS number identifies Acetylsalicylic Acid EP Impurity E?
Acetylsalicylic Acid EP Impurity E is registered under CAS 552-94-3. You may also see it listed as 2-(2-Hydroxybenzoyloxy)benzoic acid, 2-Hydroxybenzoic acid 2-carboxyphenyl ester, Diacesal. Our catalogue number for this item is ZX-005555.
What are the formula and molar mass of Acetylsalicylic Acid EP Impurity E?
For Acetylsalicylic Acid EP Impurity E, its formula is C14H10O5 and its molar mass is 258.23 g/mol. The systematic (IUPAC) name is 2-(2-hydroxybenzoyl)oxybenzoic acid. InChIKey WVYADZUPLLSGPU-UHFFFAOYSA-N lets you match it in any structure database.
How is Acetylsalicylic Acid EP Impurity E used in pharmaceutical QC?
Acetylsalicylic Acid EP Impurity E is a characterised reference material linked to Acetylsalicylic Acid. 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 Acetylsalicylic Acid EP Impurity E?
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 Acetylsalicylic Acid EP Impurity E?
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 Acetylsalicylic Acid EP Impurity E to my country?
Yes. Because Acetylsalicylic Acid EP Impurity E 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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