TRANS-2-METHYL-2-BUTENAL CAS#: 497-03-0

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TRANS-2-METHYL-2-BUTENAL

Basic information Safety Supplier Related

TRANS-2-METHYL-2-BUTENAL Basic information

Product Name:

TRANS-2-METHYL-2-BUTENAL

Synonyms:

(2E)-2-Methyl-2-butenal
(E)-2-Methyl-2-butenal
(E)-2-methylbut-2-en-1-al
(E)-2-methylbut-2-enal
2,2-Dimethylacrolein
2-Butenal,2-methyl-,(2E)-
2-Butenal,2-methyl-,(E)-
2-methyl-(E)-2-butenal

CAS:

497-03-0

MF:

C5H8O

MW:

84.12

EINECS:

207-833-0

Mol File:

497-03-0.mol

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TRANS-2-METHYL-2-BUTENAL Chemical Properties

Melting point:: -101.15°C (estimate)
Boiling point:: 116-119 °C752 mm Hg(lit.)
Density: 0.871 g/mL at 25 °C(lit.)
refractive index: n20/D 1.448(lit.)
FEMA: 3407 | 2-METHYL-2-BUTENAL
Flash point:: 65 °F
storage temp.: Flammables area
solubility: soluble in Chloroform
form: Liquid
color: Clear colorless to yellow
Odor: at 0.10?%?in?dipropylene glycol. strong green fruit
Water Solubility: Soluble in water
Sensitive: Air Sensitive
JECFA Number: 1201
BRN: 1698207
Stability:: Air sensitive, Light Sensitive
LogP: 1.065 (est)
CAS DataBase Reference: 497-03-0(CAS DataBase Reference)
EPA Substance Registry System: trans-2-Methylcrotonaldehyde (497-03-0)

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Safety Information

Hazard Codes: F,Xi
Risk Statements: 11-36/37/38-10
Safety Statements: 16-26-36
RIDADR: UN 1989 3/PG 2
WGK Germany: 3
TSCA: Yes
HazardClass: 3
PackingGroup: II
HS Code: 29121990

MSDS

Language:English Provider:SigmaAldrich
Language:English Provider:ACROS
Language:English Provider:ALFA

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TRANS-2-METHYL-2-BUTENAL Usage And Synthesis

Description

2-Methyl-2-butenal has a penetrating, powerful green ethereal odor. May be prepared by condensation of acetaldehyde and propionaldehyde.

Chemical Properties

clear colorless to yellow liquid

Uses

Tiglic aldehyde was used in the concise total synthesis of 7-demethylpiericidin A1. It was used as starting reagent during the synthesis of:

alkyl-branched tetraene hydrocarbons, pheromone component for dried fruit beetle
E,E-2,4-dimethyl-2,4-hexa dienal, volatile constituents of the defensive secretions of Leiobunum nigripalpi
4-methyl-2,4-hexadiene-1-ol

General Description

trans-2-Methyl-2-butenal is one of the major volatile constituents of coriander and olive oil.

TRANS-2-METHYL-2-BUTENALSupplier

Shanghai Taijilin Industrial Co., Ltd. Gold

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