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Metabolites & Degradation Products

4-Hydroxyphthalic acid

Reference StandardAvailable on request

Order 4-Hydroxyphthalic acid (CAS 610-35-5) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Ships from India to 120+ countries.

Pack sizes
4-Hydroxyphthalic acid chemical structure
CAS number610-35-5
FormulaC8H6O5
Molar mass182.13 g/mol
Physical formSolid
HS code38229090
InChIKeyMWRVRCAFWBBXTL-UHFFFAOYSA-N
IUPAC name4-hydroxyphthalic acid

About 4-Hydroxyphthalic acid

Zemixal lists 4-Hydroxyphthalic acid for laboratories that identify, quantify or control Phthalic acid and its related substances. Identity at a glance (Reference Standard): CAS 610-35-5, formula C8H6O5 and molar mass 182.13 g/mol. It is handled as a solid.

Where it is used

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling
  • Fine chemical synthesis

Handling and storage

Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

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 Phthalic acid

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

Phthalic acid standards

Typical uses

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling
  • Fine chemical synthesis

Applications

Specifications and identifiers

Specifications of 4-Hydroxyphthalic acid
Product name4-Hydroxyphthalic acid
Catalogue numberZX-034113
CAS number610-35-5
IUPAC name4-hydroxyphthalic acid
Molecular formulaC8H6O5
Molar mass182.13 g/mol
Exact mass182.0215
GradeReference Standard
Physical formSolid
XLogP31
H-bond donors / acceptors3 / 5
Topological polar surface area94.8 Ų
HS code38229090
InChIKeyMWRVRCAFWBBXTL-UHFFFAOYSA-N
SMILESC1=CC(=C(C=C1O)C(=O)O)C(=O)O
PubChem CID11881
Synonyms4-hydroxybenzene-1,2-dicarboxylic acid, 1,2-Benzenedicarboxylic acid, 4-hydroxy-

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

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, 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 4-Hydroxyphthalic acid
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 4-Hydroxyphthalic acid

Which CAS number identifies 4-Hydroxyphthalic acid?
4-Hydroxyphthalic acid is registered under CAS 610-35-5. You may also see it listed as 4-hydroxybenzene-1,2-dicarboxylic acid, 1,2-Benzenedicarboxylic acid, 4-hydroxy-. Our catalogue number for this item is ZX-034113.
What are the formula and molar mass of 4-Hydroxyphthalic acid?
For 4-Hydroxyphthalic acid, its formula is C8H6O5 and its molar mass is 182.13 g/mol. The systematic (IUPAC) name is 4-hydroxyphthalic acid. InChIKey MWRVRCAFWBBXTL-UHFFFAOYSA-N lets you match it in any structure database.
How is 4-Hydroxyphthalic acid used in pharmaceutical QC?
4-Hydroxyphthalic acid is a characterised reference material linked to Phthalic 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 4-Hydroxyphthalic acid?
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 4-Hydroxyphthalic acid?
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 4-Hydroxyphthalic acid to my country?
Yes. Because 4-Hydroxyphthalic acid 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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