Butamben

Name: Butamben
Brand: Vaqora Chemicals
SKU: VQ-029565

About Butamben

Butamben (CAS 94-25-7) is an impurity of Tetracaine offered by Vaqora Chemicals. Its molecular formula is C11H15NO2 and its molecular weight is 193.24 g/mol. The IUPAC name is butyl 4-aminobenzoate. Common synonyms include Butesine and Butyl aminobenzoate.

It is supplied 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 “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Tetracaine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Butamben is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Tetracaine

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

Tetracaine impurities

Specifications & identifiers

Chemical identifiers
Product name	Butamben
Catalogue No.	VQ-029565
CAS Number	94-25-7
IUPAC name	butyl 4-aminobenzoate
Molecular formula	C₁₁H₁₅NO₂
Molecular weight	193.24 g/mol
Exact mass	193.1103
Grade	Reference Standard
HSN code	38229090
InChIKey	IUWVALYLNVXWKX-UHFFFAOYSA-N
SMILES	CCCCOC(=O)C1=CC=C(C=C1)N
PubChem CID	2482

Physical properties
Physical form	Solid
LogP (XLogP3)	2.9
H-bond donors / acceptors	1 / 3
TPSA	52.3 Å²
Synonyms	Butesine, Butyl aminobenzoate, Butylcaine, 4-(Butoxycarbonyl)aniline, Butyl keloform, Benzoic acid, 4-amino-, butyl ester, N-Butyl p-aminobenzoate, p-Aminobenzoic acid butyl ester, 4-Aminobenzoic acid butyl ester, Butyl PABA, butanylcaine, Butesin

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P272, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P333 + P317, P337 + P317, P362 + P364, P403 + P233, 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 Butamben?

The CAS Registry Number of Butamben is 94-25-7. It is also known as Butesine, Butyl aminobenzoate, Butylcaine.

What is the molecular formula and molecular weight of Butamben?

Butamben has the molecular formula C11H15NO2 and a molecular weight of 193.24 g/mol. Its IUPAC name is butyl 4-aminobenzoate.

What is Butamben used for?

Butamben is supplied as a characterised reference material related to Tetracaine. 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 Butamben can I order?

We supply Butamben 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 Butamben?

Yes. Every lot of Butamben 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 Butamben be shipped internationally?

Yes. Butamben 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.