3-Methyl-2-butenal, 97%

Description

CAS: 107-86-8 | C5H8O | 84.118 g/mol

3-Methyl-2-butenal is used in small quantities as food flavor in alcoholic beverages, chewing gums, confection frosting, frozen dairy, fruit ice, gelatin pudding, hard and soft candy and jam jelly. Used in daily flavor, and cosmetic flavor in perfumes. A starting material for the synthesis of vitamin A.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
3-Methyl-2-butenal is used in small quantities as food flavor in alcoholic beverages, chewing gums, confection frosting, frozen dairy, fruit ice, gelatin pudding, hard and soft candy and jam jelly. Used in daily flavor, and cosmetic flavor in perfumes. A starting material for the synthesis of vitamin A.

Solubility
Soluble in water (110g/L).

Notes
Air sensitive. Store away from strong oxidizing agents, air, heat.

Specifications

Chemical Identifiers

• CAS: 107-86-8
• Molecular Formula: C5H8O
• Molecular Weight (g/mol): 84.118
• MDL Number: MFCD00010291
• InChI Key: SEPQTYODOKLVSB-UHFFFAOYSA-N
• Synonym: 3-methyl-2-butenal, prenal, 3-methylcrotonaldehyde, senecialdehyde, 3,3-dimethylacrolein, senecioaldehyde, 2-butenal, 3-methyl, beta,beta-dimethylacrolein, crotonaldehyde, 3-methyl, beta-methylcrotonaldehyde
• PubChem CID: 61020
• ChEBI: CHEBI:15825
• IUPAC Name: 3-methylbut-2-enal
• SMILES: CC(=CC=O)C

• Melting Point: -20°C
• Density: 0.88
• Boiling Point: 136°C
• Flash Point: 37°C (99°F)
• Odor: Characteristic
• Refractive Index: 1.4613
• Linear Formula: (CH₃)₂C=CHCHO
• Quantity: 5 g
• UN Number: UN2929
• Beilstein: 1734740
• Sensitivity: Air sensitive
• Merck Index: 14,8448
• Solubility Information: Soluble in water (110g/L).
• Formula Weight: 84.12
• Percent Purity: 97%
• Chemical Name or Material: 3-Methyl-2-butenal

Safety and Handling

Hazard Category	H226-H302-H314-H317-H331
Hazard Statement	GHS H Statement H331-H318-H226-H302-H315-H317-H335 Toxic if inhaled. Causes serious eye damage. Flammable liquid and vapour. Harmful if swallowed. Causes skin irritation. May cause an allergic skin reaction. May cause respiratory irritation.
Precautionary Statement	P210-P233-P235-P240-P241-P242-P243-P260-P264b-P270-P271-P272-P280-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P333+P313-P363-P370+P378q-P501c
DOTInformation	Hazard Class: 8; Packaging Group: II
EINECSNumber	203-527-6
TSCA	Yes
Recommended Storage	Keep cold; Store under Nitrogen

SDS

RUO – Research Use Only