Monobutyl Phthalate

Name: Monobutyl Phthalate
Brand: Vaqora Chemicals
SKU: VQ-040607

About Monobutyl Phthalate

Monobutyl Phthalate (CAS 131-70-4) is a metabolite or degradation product of Phthalate offered by Vaqora Chemicals. Its molecular formula is C12H14O4 and its molecular weight is 222.24 g/mol. Systematically, it is named 2-butoxycarbonylbenzoic acid. Alternative names: 2-(Butoxycarbonyl)benzoic acid and Butyl hydrogen phthalate.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Analytical teams use this compound to identify metabolites and degradants of Phthalate, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Monobutyl Phthalate in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Phthalate

View every impurity, metabolite and intermediate we list for Phthalate.

Phthalate impurities

Specifications & identifiers

Chemical identifiers
Product name	Monobutyl Phthalate
Catalogue No.	VQ-040607
CAS Number	131-70-4
IUPAC name	2-butoxycarbonylbenzoic acid
Molecular formula	C₁₂H₁₄O₄
Molecular weight	222.24 g/mol
Exact mass	222.0892
Grade	Reference Standard
HSN code	38229090
InChIKey	YZBOVSFWWNVKRJ-UHFFFAOYSA-N
SMILES	CCCCOC(=O)C1=CC=CC=C1C(=O)O
PubChem CID	8575

Physical properties
Physical form	Solid
LogP (XLogP3)	3.1
H-bond donors / acceptors	1 / 4
TPSA	63.6 Å²
Synonyms	2-(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

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H360May damage fertility or the unborn child

Precautionary statements: P203, P280, P318, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Monobutyl Phthalate?

The CAS Registry Number of Monobutyl Phthalate is 131-70-4. It is also known as 2-(Butoxycarbonyl)benzoic acid, Butyl hydrogen phthalate, Mono-n-butyl phthalate.

What is the molecular formula and molecular weight of Monobutyl Phthalate?

Monobutyl Phthalate has the molecular formula C12H14O4 and a molecular weight of 222.24 g/mol. Its IUPAC name is 2-butoxycarbonylbenzoic acid.

What is Monobutyl Phthalate used for?

Monobutyl Phthalate is supplied as a characterised reference material related to Phthalate. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Monobutyl Phthalate can I order?

We supply Monobutyl Phthalate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Monobutyl Phthalate?

Yes. Every lot of Monobutyl Phthalate is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Monobutyl Phthalate be shipped internationally?

Yes. Monobutyl Phthalate is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.