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Crotonaldehyde, predominantly trans (Stabilized with 0.1-0.2% BHT)

CAS 123-73-9 C4H6O MW 70.09 Made to order

Crotonaldehyde, predominantly trans, is a reactive unsaturated aldehyde used in organic synthesis, particularly in the production of pharmaceuticals, agrochemicals, and resins. It is stabilized with 0.1–0.2% BHT to prevent polymerization. Available in 1 L and 5 L containers, it has a CAS number of 123-73-9, molecular formula C4H6O, and molecular weight of 70.09 g/mol. Stored at 2 to 8 °C, it is classified as Danger. Molekula supplies Crotonaldehyde, predominantly trans (Stabilized with 0.1–0.2% BHT) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Crotonaldehyde, predominantly trans, is a reactive unsaturated aldehyde used in organic synthesis, particularly in the production of pharmaceuticals, agrochemicals, and resins. It is stabilized with 0.1–0.2% BHT to prevent polymerization. Available in 1 L and 5 L containers, it has a CAS number of 123-73-9, molecular formula C4H6O, and molecular weight of 70.09 g/mol. Stored at 2 to 8 °C, it is classified as Danger. Molekula supplies Crotonaldehyde, predominantly trans (Stabilized with 0.1–0.2% BHT) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance Liquid

Storage & handling

Property Value
Storage Temperature 2 to 8 °C
Flash Point 9 C
Transport Class 6.1 (3)
Packing Group I
Shelf Life 24 months

Identification

Property Value
CAS Number 123-73-9
Molecular Formula C4H6O
Molecular Weight 70.09
EC / UN Number 1143
REACH Code Y110
Tariff Code 29121900

Safety & GHS

Danger
  • GHS pictogram — Flammable Flammable GHS02
  • GHS pictogram — Oxidizing Oxidizing GHS03
  • GHS pictogram — Compressed Gas Compressed Gas GHS04
  • GHS pictogram — Corrosive Corrosive GHS05
  • GHS pictogram — Toxic Toxic GHS06

Hazard statements

  • H225 Highly flammable liquid and vapour
  • H301 + H331 Toxic if swallowed or inhaled
  • H315 Causes skin irritation
  • H318 Causes serious eye damage
  • H330 Fatal if inhaled
  • H335 May cause respiratory irritation
  • H341 Suspected of causing genetic defects
  • H373 May cause damage to organs through prolonged or repeated exposure
  • H400 Very toxic to aquatic life

Precautionary statements

  • P201 Obtain special instructions before use
  • P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P308+313 IF exposed or concerned: Get medical advice/attention

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 crotonaldehyde used for?

Crotonaldehyde is primarily used as an intermediate in the synthesis of chemicals such as pharmaceuticals, agrochemicals, and resins.

What is the chemical formula and molecular weight of crotonaldehyde?

The formula is C4H6O with a molecular weight of 70.09 g/mol.

How should crotonaldehyde be stored?

It should be stored at 2 to 8 °C to maintain stability and prevent decomposition.

What grade of crotonaldehyde does Molekula supply?

Molekula supplies technical grade crotonaldehyde stabilized with 0.1–0.2% BHT.

Can Molekula supply crotonaldehyde in bulk?

Yes, Molekula can supply crotonaldehyde in bulk quantities—please contact sales for details.

What documentation comes with a crotonaldehyde order?

Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) compliant with GHS standards.

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