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304077

Sigma-Aldrich

3-Methylcrotonaldehyde

97%

Synonym(s):

3,3-Dimethylacrolein, 3,3-Dimethylacrylaldehyde, NSC 149164, Prenal, Senecialdehyde

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About This Item

Linear Formula:
(CH3)2C=CHCHO
CAS Number:
Molecular Weight:
84.12
Beilstein:
1734740
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

vapor pressure

7 mmHg ( 20 °C)

Assay

97%

form

liquid

refractive index

n20/D 1.462 (lit.)
n20/D 1.462

bp

133-135 °C (lit.)

solubility

water: soluble 110 g/L at 20 °C

density

0.878 g/mL at 20 °C
0.872 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

[H]C(=O)\C=C(\C)C

InChI

1S/C5H8O/c1-5(2)3-4-6/h3-4H,1-2H3

InChI key

SEPQTYODOKLVSB-UHFFFAOYSA-N

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General description

3-Methylcrotonaldehyde is an α, β-unsaturated aldehyde. Electrochemical dimerization of 3-methylcrotonaldehyde was reported. The hydrogenation of 3-methylcrotonaldehyde over Ru, Pt and Rh was investigated.

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B - Skin Sens. 1

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

91.4 °F - closed cup

Flash Point(C)

33 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 2 petroleums
Hazardous rank III
Water insoluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

304077-VAR:
304077-100ML:
304077-25ML:
304077-BULK:
304077-500ML:
304077-1KG:
304077-5ML:


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Customers Also Viewed

Electrochemical dimerization of 3-methylcrotonaldehyde.
Mandell L, et al.
The Journal of Organic Chemistry, 36(12), 1683-1685 (1971)
Geometric and electronic effects in the selective hydrogenation of a, ?-unsaturated aldehydes over zeolite-supported metals.
Blackmond DG, et al.
J. Catal., 131(2), 401-411 (1991)

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