Basic information
- CAS
645-62-5- Standard SMILES
CCCC=C(C=O)CC- InChIKey
PYLMCYQHBRSDND-UHFFFAOYSA-N- Molecular formula
- C8H14O
- Average molar mass
- 126.2 g/mol
- Monoisotopic mass
- 126.10446507
Overview
See also: 2-Ethyl-3-propylacrolein (annotation moved to).
Names & identifiers
- Preferred name
- 2-Ethylhex-2-Enal
- IUPAC
- 2-ethylhex-2-enal
- English name
- 2-Ethyl-2-hexenal
- Molecular formula
- C8H14O
- Molecular weight
- 126.2
Names & synonyms
Show more names
Database identifiers
- CAS
645-62-5- PubChem CID
- 12582
- DTXSID
DTXSID4025296- ChEMBL
CHEMBL3181995- EC Number
- 211-448-3
Properties
Computed structural properties
- XLogP
- 2.3
- Topological polar surface area
- 17.1 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 1
- Rotatable bonds
- 4
- Heavy atoms
- 9
- Formal charge
- 0
- Complexity
- 103
Experimental & physicochemical properties
Physicochemical properties
- Melting point
- 3.5 °C · 3.5°C (estimate)
- Boiling point
- 175 °C · 175°C(lit.)
- Density
- 0 · 0,85 g/cm3
- refractive index
- 1.449 to · 1.4490 to 1.4530
- FEMA
- 4612 · 4612 | 2-ETHYL-2-HEXENAL
- Flash point
- 68 °C · 68°C
- storage temp.
- -20 °C · Inert atmosphere,Store in freezer, under -20°C
- Appearance
- Light yellow to yellow Liquid
- Odor
- powerful odor
- biological source
- botanical
- Henry's Law Constant
- 5.2 · 5.2×10-2 mol/(m3Pa) at 25℃, Brockbank (2013)
- Stability
- Stable. Combustible. Incompatible with strong oxidizing agents.
- Major Application
- flavors and fragrances
- InChI
- InChI=1S/C8H14O/c1-3-5-6-8(4-2)7-9/h6-7H,3-5H2,1-2H3
- InChIKey
- PYLMCYQHBRSDND-UHFFFAOYSA-N
- SMILES
- C(=O)C(CC)=CCCC
- LogP
- 2.66 · 2.66
- Substances Added to Food (formerly EAFUS)
- 2 · 2-ETHYL-2-HEXENAL
- FDA UNII
- 69 YL9T443B · 69YL9T443B
- EPA Substance Registry System
- 2 · 2-Ethyl-2-hexenal (645-62-5)
- UNSPSC Code
- 12164502 · 12164502
- NACRES
- 21 · NA.21
- Symbol(GHS)
- 5 · GHS05,GHS07
- Signal word
- Danger
- Hazard statements
- 315 · H315-H317-H318-H412
- Precautionary statements
- 261 · P261-P264-P273-P280-P302+P352-P305+P351+P338
- Risk Statements
- 36 · 36/37/38
- Safety Statements
- 26 · 26-36/37/39
- RIDADR
- 1760 · 1760
- WGK Germany
- 1 · WGK 1
- RTECS
- 6300000 · MP6300000
- TSCA
- TSCA listed
- Storage Class
- 10 · 10 - Combustible liquids
- Hazard Classifications
- 3 Eye · Aquatic Chronic 3Eye Dam. 1Skin Irrit. 2Skin Sens. 1
- Hazardous Substances Data
- 645 · 645-62-5(Hazardous Substances Data)
- REACH Registrations
- Active
Safety & regulation
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 0.4% (3 of 708) of reports.
Warning
H315 (99.6%): Causes skin irritation [Warning Skin corrosion/irritation]
P261, P264, P264+P265, P271, P272, P273, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P333+P317, P337+P317, P362+P364, P391, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 708 reports by companies from 11 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Safety data
- wgk
- WGK 1
- tsca
- TSCA listed
- rtecs
- MP6300000
- ridadr
- 1760
- risk_code
- 36/37/38
- Signal word
- Danger
- Symbol(GHS)
- GHS05,GHS07
- safety_code
- 26-36/37/39
- Storage Class
- 10 - Combustible liquids
- Hazard statements
- H315-H317-H318-H412
- REACH Registrations
- Active
- Hazard Classifications
- Aquatic Chronic 3Eye Dam. 1Skin Irrit. 2Skin Sens. 1
- Precautionary statements
- P261-P264-P273-P280-P302+P352-P305+P351+P338
- Hazardous Substances Data
- 645-62-5(Hazardous Substances Data)
Chemistry & industry
Applications
UsesInsecticide, organic synthesis (intermediate), warning agents, and leak detectors.
General DescriptionYellow liquid. Floats on water.
Upstream & downstream products
Upstream raw materials
Downstream products
Suppliers75 total
Additional notes
DefinitionChEBI: 2-ethyl-2-hexenal is a monounsaturated fatty aldehyde that is hex-2-enal substituted by an ethyl group at position 2. It has a role as a plant metabolite, a human metabolite and a flavouring agent. It is a monounsaturated fatty aldehyde and an enal.
Related reactions
Compound notes
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