Crotononitrile, extra pure >99%

Name: Crotononitrile, extra pure >99%
Brand: Vaqora Chemicals
SKU: VQ-020048

About Crotononitrile, extra pure >99%

Crotononitrile is a nitrile building block (Extra Pure grade) carrying the CAS registry number 4786-20-3 with a typical assay of above 99%. With the molecular formula C4H5N, it has a molar mass of 67.09 g/mol. The IUPAC name is (E)-but-2-enenitrile. It is also known as Crotonic nitrile or 1-Cyanopropene.

The product is provided as a liquid. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. It carries the GHS signal word “Danger” with 11 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Crotononitrile in 100 mL and 500 mL packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Crotononitrile, extra pure >99%
Catalogue No.	VQ-020048
CAS Number	4786-20-3
IUPAC name	(E)-but-2-enenitrile
Molecular formula	C₄H₅N
Molecular weight	67.09 g/mol
Exact mass	67.0422
Grade	Extra Pure
Purity / assay	>99%
InChIKey	NKKMVIVFRUYPLQ-NSCUHMNNSA-N
SMILES	C/C=C/C#N
PubChem CID	637921

Physical properties
Physical form	Liquid
LogP (XLogP3)	0.8
H-bond donors / acceptors	0 / 1
TPSA	23.8 Å²
Synonyms	Crotonic nitrile, 1-Cyanopropene, (E)-2-Butenenitrile, 1-Propenyl cyanide, Crotonique nitrile, trans-Crotononitrile, (2E)-but-2-enenitrile, beta-Methylacrylonitrile, 2-Butenenitrile, (E)-, (2E)-2-Butenenitrile, trans-2-Butenenitrile, 2-butenenitrile, (2E)-

Safety & hazard information (GHS)

Flammable

Toxic

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H225Highly flammable liquid and vapor
H301+H331Toxic if swallowed or if inhaled
H301Toxic if swallowed
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H331Toxic if inhaled
H332Harmful if inhaled
H335May cause respiratory irritation
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure

Precautionary statements: P203, P210, P233, P240, P241, P242, P243, P260, P261, P264, P264 + P265, P270, P271, P280, P301 + P316, P301 + P317, P302 + P352, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P308 + P316, P316, P317, P318

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 Crotononitrile, extra pure >99%?

The CAS Registry Number of Crotononitrile, extra pure >99% is 4786-20-3. It is also known as Crotonic nitrile, 1-Cyanopropene, (E)-2-Butenenitrile.

What is the molecular formula and molecular weight of Crotononitrile, extra pure >99%?

Crotononitrile, extra pure >99% has the molecular formula C4H5N and a molecular weight of 67.09 g/mol. Its IUPAC name is (E)-but-2-enenitrile.

Which grade and pack sizes of Crotononitrile, extra pure >99% can I order?

We supply Crotononitrile, extra pure >99% in Extra Pure (>99%) grade, in 100 mL, 500 mL packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Crotononitrile, extra pure >99%?

Yes. Every lot of Crotononitrile, extra pure >99% 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 Crotononitrile, extra pure >99% be shipped internationally?

Yes. Crotononitrile, extra pure >99% 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.