1-Butyl-2-pyrrolidone, 98%

Name: 1-Butyl-2-pyrrolidone, 98%
Brand: Vaqora Chemicals
SKU: VQ-012551

About 1-Butyl-2-pyrrolidone, 98%

1-Butyl-2-pyrrolidone (CAS 3470-98-2) is a five-membered N-heterocycle offered by Vaqora Chemicals, specified at 98% purity. The compound has the formula C8H15NO, corresponding to a molecular weight of 141.21 g/mol. The IUPAC name is 1-butylpyrrolidin-2-one. Alternative names: N-Butyl-2-azacyclopentanone and 1-Butyl-2-pyrrolidinone.

In its supplied form it is a colourless to yellow liquid. Key physical data: a density of 0.96 g/mL. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 1-Butyl-2-pyrrolidone in 250 mL and 1 L packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	1-Butyl-2-pyrrolidone, 98%
Catalogue No.	VQ-012551
CAS Number	3470-98-2
IUPAC name	1-butylpyrrolidin-2-one
Molecular formula	C₈H₁₅NO
Molecular weight	141.21 g/mol
Exact mass	141.1154
Purity / assay	98%
HSN code	29332990
InChIKey	BNXZHVUCNYMNOS-UHFFFAOYSA-N
SMILES	CCCCN1CCCC1=O
PubChem CID	18984

Physical properties
Physical form	Liquid
Appearance	Colourless to yellow liquid
Density	0.96 g/mL
LogP (XLogP3)	1
H-bond donors / acceptors	0 / 1
TPSA	20.3 Å²
Synonyms	N-Butyl-2-azacyclopentanone, 1-Butyl-2-pyrrolidinone, N-Butylpyrrolidone, N-Butylpyrrolidinone, N-Butyl-2-pyrrolidone, 1-Butyl-2-pyrrolidione, N-Butyl-2-pyrrolidinone, 1-Butyl-2-pyrrolidine, 1-Butyl-2-Pyrrodidone, N-n-Butyl-2-pyrrolidone, 2-Pyrrolidine, 1-butyl-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + 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 1-Butyl-2-pyrrolidone, 98%?

The CAS Registry Number of 1-Butyl-2-pyrrolidone, 98% is 3470-98-2. It is also known as N-Butyl-2-azacyclopentanone, 1-Butyl-2-pyrrolidinone, N-Butylpyrrolidone.

What is the molecular formula and molecular weight of 1-Butyl-2-pyrrolidone, 98%?

1-Butyl-2-pyrrolidone, 98% has the molecular formula C8H15NO and a molecular weight of 141.21 g/mol. Its IUPAC name is 1-butylpyrrolidin-2-one.

Which grade and pack sizes of 1-Butyl-2-pyrrolidone, 98% can I order?

We supply 1-Butyl-2-pyrrolidone, 98% in (98%) grade, in 250 mL, 1 L packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1-Butyl-2-pyrrolidone, 98%?

Yes. Every lot of 1-Butyl-2-pyrrolidone, 98% 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 1-Butyl-2-pyrrolidone, 98% be shipped internationally?

Yes. 1-Butyl-2-pyrrolidone, 98% 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.