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Metabolites & Degradation Products

Monobutyl Phthalate

Reference StandardAvailable on request

Buy Monobutyl Phthalate (CAS 131-70-4) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-035436.

Pack sizes
Monobutyl Phthalate chemical structure
CAS number131-70-4
FormulaC12H14O4
Molar mass222.24 g/mol
Physical formSolid
HS code38229090
InChIKeyYZBOVSFWWNVKRJ-UHFFFAOYSA-N
IUPAC name2-butoxycarbonylbenzoic acid

About Monobutyl Phthalate

Monobutyl Phthalate is supplied by Zemixal as a characterised reference material for Phthalate analysis. Identity at a glance (Reference Standard): CAS 131-70-4, formula C12H14O4 and molar mass 222.24 g/mol. It is handled as a solid.

Typical applications

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Handling and storage

It carries the GHS signal word Danger (H360), 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. Every shipment includes a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Phthalate

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

Phthalate standards

Typical uses

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Applications

Specifications and identifiers

Specifications of Monobutyl Phthalate
Product nameMonobutyl Phthalate
Catalogue numberZX-035436
CAS number131-70-4
IUPAC name2-butoxycarbonylbenzoic acid
Molecular formulaC12H14O4
Molar mass222.24 g/mol
Exact mass222.0892
GradeReference Standard
Physical formSolid
XLogP33.1
H-bond donors / acceptors1 / 4
Topological polar surface area63.6 Ų
HS code38229090
InChIKeyYZBOVSFWWNVKRJ-UHFFFAOYSA-N
SMILESCCCCOC(=O)C1=CC=CC=C1C(=O)O
PubChem CID8575
Synonyms2-(Butoxycarbonyl)benzoic acid, Butyl hydrogen phthalate, Mono-n-butyl phthalate, Phthalic acid, monobutyl ester, 1,2-Benzenedicarboxylic acid, monobutyl ester, 1,2-Benzenedicarboxylic acid, 1-butyl ester, Phthalic acid mono-n-butyl ester, Phthalic Acid Monobutyl Ester, mono-n-butyl ester, 1,2-Benzenedicarboxylic Acid 1-Butyl Ester, Phthalic acid, mono-n-butyl ester

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

Safety and GHS hazards

GHS08 Health hazard
Health hazard

Signal word Danger

  • H360May damage fertility or the unborn child

Precautionary statements P203, P280, P318, 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 Monobutyl Phthalate
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 Monobutyl Phthalate

Which CAS number identifies Monobutyl Phthalate?
Monobutyl Phthalate is registered under CAS 131-70-4. You may also see it listed as 2-(Butoxycarbonyl)benzoic acid, Butyl hydrogen phthalate, Mono-n-butyl phthalate. Our catalogue number for this item is ZX-035436.
What are the formula and molar mass of Monobutyl Phthalate?
For Monobutyl Phthalate, its formula is C12H14O4 and its molar mass is 222.24 g/mol. The systematic (IUPAC) name is 2-butoxycarbonylbenzoic acid. InChIKey YZBOVSFWWNVKRJ-UHFFFAOYSA-N lets you match it in any structure database.
How is Monobutyl Phthalate used in pharmaceutical QC?
Monobutyl Phthalate is a characterised reference material linked to Phthalate. 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 Monobutyl Phthalate?
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 Monobutyl Phthalate?
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 Monobutyl Phthalate to my country?
Yes. Because Monobutyl Phthalate 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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