trans-2-Methyl-2-butenal Structure

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.)
FLAVIS Number 05.095 | 2-Methylcrotonaldehyde
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%indipropylene glycol. strong green fruit
biological source synthetic
Water Solubility  Soluble in water
Sensitive  Air Sensitive
JECFA Number 1201
BRN  1698207
Stability Air sensitive, Light Sensitive
Major Application flavors and fragrances
InChI 1S/C5H8O/c1-3-5(2)4-6/h3-4H,1-2H3/b5-3+
InChIKey ACWQBUSCFPJUPN-HWKANZROSA-N
SMILES C\C=C(/C)C=O
LogP 1.065 (est)
CAS DataBase Reference 497-03-0(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS) 2-METHYL-2-BUTENAL
FDA UNII 27ZVE2K81C
EPA Substance Registry System trans-2-Methylcrotonaldehyde (497-03-0)
UNSPSC Code 85151701
NACRES NA.24

Safety

Symbol(GHS) Flame (GHS02)Exclamation Mark (GHS07)
Signal wordDanger
Hazard statements H225-H315-H319-H335
Precautionary statements P210-P233-P240-P241-P303+P361+P353-P305+P351+P338
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  TSCA listed
HazardClass  3
PackingGroup  II
HS Code  29121990
Storage Class 3 - Flammable liquids
Hazard Classifications Eye Irrit. 2
Flam. Liq. 2
Skin Irrit. 2
STOT SE 3
NFPA 704:
3
2 0

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trans-2-Methyl-2-butenal Chemical Properties,Usage,Production

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