Crotonaldehyde, mixture of cis and trans

ALDRICH/27980 - ratio of cis- and trans-isomers (~1:20), ≥99.5% (GC)

Synonym: 2-Butenal, mixture of cis and trans

CAS Number: 4170-30-3
Empirical Formula (Hill Notation): C₄H₆O
Molecular Weight: 70.09
MDL Number: MFCD00007003
Linear Formula: CH₃CH=CHCHO
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-27980-250ML	250 mL	$152.00 1/EA		Add To Favorites
45-27980-1L	1 L	$419.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

assay	≥99.5% (GC)
bp	101-102 °C (lit.)
contains	~0.1% 2,6-di-tert-butyl-4-methylphenol as stabilizer
	~1% H₂O as stabilizer
density	0.853 g/mL at 20 °C (lit.)
form	liquid
InChI	1S/C4H6O/c1-2-3-4-5/h2-4H,1H3/b3-2+
InChI key	MLUCVPSAIODCQM-NSCUHMNNSA-N
Quality Level	200
refractive index	n20/D 1.437
SMILES string	CC=CC=O
storage temp.	2-8°C

Application:	Crotonaldehyde is used: • In the manufacturing of sorbic acid that are widely employed as food preservatives to avoid the food spoilage by microorganisms.
General description:	Crotonaldehyde(2-Butenal) is an α, β-unsaturated aldehyde and extremely reactive compound. It serves as a chemical building block in the production of solvents, sorbates, and, to a lower extent, pharmaceuticals and aroma compounds. Additionally, it can be used as an alcohol denaturant, in leather tanning and in the manufacturing of rubber accelerators.
Packaging:	1 L in glass bottle
Packaging:	250 mL in glass bottle

Symbol	GHS02,GHS05,GHS06,GHS08,GHS09
Signal word	Danger
Hazard statements	H225 - H301 + H311 - H315 - H318 - H330 - H335 - H341 - H373 - H400
Precautionary statements	P201 - P210 - P280 - P301 + P310 + P330 - P304 + P340 + P310 - P305 + P351 + P338 + P310
Hazard Codes	F,T+,N
Risk Statements	11-24/25-26-37/38-41-48/22-50-68
Safety Statements	16-26-28-36/37/39-45-61
RIDADR	UN1143 - class 6.1 - PG 1 - Crotonaldehyde
WGK Germany	WGK 3
Flash Point(F)	55.4 °F
Flash Point(C)	13 °C

Purity	≥99.5% (GC)
bp	101-102 °C (lit.)
Density	0.853 g/mL at 20 °C (lit.)
Refractive Index	n20/D 1.437
Storage Temp.	2-8°C
UNSPSC	12352100

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