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Crotononitrile, mixture of cis and trans

CAS 4786-20-3 CH3CH=CHCN MW 67.09 Made to order

Crotononitrile, a mixture of cis and trans isomers, is a versatile organic intermediate used in the synthesis of pharmaceuticals, agrochemicals, and specialty polymers. It is a colorless to pale yellow liquid with a pungent odor. CAS: 4786-20-3, molecular formula: CH₃CH=CHCN, molecular weight: 67.09 g/mol. Store at ambient temperature. Hazard classification: Danger. Molekula supplies Crotononitrile, mixture of cis and trans from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Crotononitrile, a mixture of cis and trans isomers, is a versatile organic intermediate used in the synthesis of pharmaceuticals, agrochemicals, and specialty polymers. It is a colorless to pale yellow liquid with a pungent odor. CAS: 4786-20-3, molecular formula: CH₃CH=CHCN, molecular weight: 67.09 g/mol. Store at ambient temperature. Hazard classification: Danger. Molekula supplies Crotononitrile, mixture of cis and trans from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance Clear colourless to pale yellow liquid
Water ≤0.5%
Purity ≥98.0%
Allylchloride ≤0.02%
Allylalcohol ≤1.0%
Allyl cyanide ≤0.5%

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point 16 C
Transport Class 3
Packing Group III
Shelf Life 24 months
Acidity Neutral

Identification

Property Value
CAS Number 4786-20-3
Molecular Formula CH3CH=CHCN
Molecular Weight 67.09
SMILES C/C=C/C#N
EC / UN Number 1993
REACH Code Y110
TSCA Listed Yes
HTS Code 29269050
Tariff Code 2926907090

Safety & GHS

Danger
  • GHS pictogram — Explosive Explosive GHS01
  • GHS pictogram — Oxidizing Oxidizing GHS03

Hazard statements

  • H225 Highly flammable liquid and vapour
  • H302+332 Harmful if swallowed or inhaled
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation

Precautionary statements

  • P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is crotononitrile used for?

Crotononitrile is primarily used as an intermediate in the synthesis of pharmaceuticals and agrochemicals.

What is the chemical formula and molecular weight of crotononitrile?

The formula is CH3CH=CHCN with a molecular weight of 67.09 g/mol.

How should crotononitrile be stored?

Crotononitrile should be stored at ambient temperature, away from light and incompatible materials.

What grade of crotononitrile does Molekula supply?

Molekula supplies crotononitrile as a mixture of cis and trans isomers, typically in technical grade.

Can Molekula supply crotononitrile in bulk?

Yes, Molekula can supply crotononitrile in bulk quantities; please contact sales for details.

What documentation comes with a crotononitrile order?

Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.

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Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

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