Cyclohex-3-ene-1-carbaldehyde
C7H10O
cyclohex-3-ene-1-carbaldehyde
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Identification
- CAS Number
- 100-50-5
- EC Number
- 202-858-3
- UN Number
- 2498
- PubChem CID
- 7508
Physical-chemical properties
- Molecular Formula
- C7H10O
- Molar Mass
- 110.15 g/mol
- IUPAC Name
- cyclohex-3-ene-1-carbaldehyde
Chemical Identifiers
- InChI
- InChI=1S/C7H10O/c8-6-7-4-2-1-3-5-7/h1-2,6-7H,3-5H2
- InChI Key
- DCFDVJPDXYGCOK-UHFFFAOYSA-N
Overview
Cyclohex-3-ene-1-carbaldehyde (CAS 100-50-5) is an unsaturated cyclic aldehyde with a distinctive structure combining a cyclohexene ring and aldehyde functionality. This organic compound, with the molecular formula C7H10O and a molecular weight of 110.15 g/mol, represents an important intermediate in organic synthesis and industrial chemistry. The molecule features a six-membered carbon ring containing one double bond at the 3-position and an aldehyde group (-CHO) attached to the ring, giving it both aliphatic and aromatic-like characteristics. The EC number 202-858-3 identifies this substance in European chemical regulations. As a cyclic aldehyde, cyclohex-3-ene-1-carbaldehyde exhibits typical aldehyde reactivity while maintaining the structural constraints of its ring system. The presence of both the carbon-carbon double bond and the carbonyl group provides multiple sites for chemical modification and functionalization. From a safety perspective, this compound is classified under ADR class 3, indicating its flammable nature, though it does not carry specific GHS hazard pictograms under standard classification systems. In industrial applications, cyclohex-3-ene-1-carbaldehyde serves primarily as a chemical intermediate in the synthesis of fragrances, flavoring compounds, and pharmaceutical precursors. Its unique structure makes it valuable in the production of complex organic molecules where both the aldehyde functionality and the cyclic framework are required. The compound is also utilized in polymer chemistry and as a building block for specialty chemicals, sharing some application areas with related compounds like 2,2,5-trimethylhex-4-enal in fragrance synthesis. OYSI provides reliable access to cyclohex-3-ene-1-carbaldehyde for European industrial customers requiring this specialized chemical intermediate.
Safety & Classification
No Hazard Classification
This substance is not classified as hazardous according to CLP Regulation (EC) No 1272/2008.
Transport (ADR)
| UN Number | 2498 |
| ADR Class | 3 |
| Packing Group | III |
| Tunnel Code | D/E |
| Proper Shipping Name | 1,2,3,6-Tetrahydrobenzaldehyd |
| Marine Pollutant | No |
Frequently Asked Questions
What is cyclohex-3-ene-1-carbaldehyde?
Cyclohex-3-ene-1-carbaldehyde is an organic compound with the chemical formula C7H10O and CAS number 100-50-5. This aldehyde features a six-membered cyclohexene ring with a double bond and an aldehyde functional group. With a molecular weight of 110.15 g/mol, it belongs to the class of cyclic unsaturated aldehydes and serves as an important intermediate in organic synthesis and fragrance chemistry.
What are the physicochemical properties of cyclohex-3-ene-1-carbaldehyde?
Cyclohex-3-ene-1-carbaldehyde is a colorless to pale yellow liquid at room temperature with a characteristic aldehyde odor. The compound has a molecular formula of C7H10O and a molecular weight of 110.15 g/mol. It is moderately soluble in organic solvents and has limited solubility in water due to its hydrophobic cyclohexene ring structure combined with the polar aldehyde group.
What is cyclohex-3-ene-1-carbaldehyde used for?
Cyclohex-3-ene-1-carbaldehyde is primarily used as an intermediate in organic synthesis and chemical manufacturing processes. It serves as a building block for the production of pharmaceuticals, agrochemicals, and specialty chemicals. The compound is also utilized in fragrance and flavor chemistry due to its aldehyde functional group, which can contribute to characteristic scent profiles in various formulations and industrial applications.
How to handle cyclohex-3-ene-1-carbaldehyde safely?
Cyclohex-3-ene-1-carbaldehyde should be handled with standard laboratory safety precautions including wearing appropriate personal protective equipment such as safety glasses, gloves, and lab coats. Work in well-ventilated areas or under fume hoods to minimize vapor exposure. Avoid direct skin contact and inhalation. Use proper handling techniques for organic chemicals and ensure adequate ventilation during transfer and processing operations.
How to store cyclohex-3-ene-1-carbaldehyde correctly?
Cyclohex-3-ene-1-carbaldehyde should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and direct sunlight. Keep containers upright and protected from physical damage. Store away from strong oxidizing agents and bases that could react with the aldehyde functional group. Maintain storage temperatures according to supplier specifications and check container integrity regularly.
What to do in case of contact with cyclohex-3-ene-1-carbaldehyde?
In case of skin contact with cyclohex-3-ene-1-carbaldehyde, immediately wash the affected area with plenty of soap and water for at least 15 minutes. If eye contact occurs, rinse thoroughly with clean water for at least 15 minutes and seek medical attention. In case of inhalation, move to fresh air immediately. If ingestion occurs, do not induce vomiting and seek immediate medical attention.
How to dispose of cyclohex-3-ene-1-carbaldehyde appropriately?
Cyclohex-3-ene-1-carbaldehyde waste must be disposed of according to local, national, and EU waste regulations. The compound should be collected in appropriate waste containers and disposed of through licensed chemical waste disposal companies. Do not pour down drains or into the environment. Small quantities may be suitable for incineration at authorized facilities. Consult local environmental authorities for specific disposal requirements.
How to transport cyclohex-3-ene-1-carbaldehyde?
Cyclohex-3-ene-1-carbaldehyde is classified under ADR Class 3 (Flammable liquids), Packing Group III for transportation purposes. It must be packaged in approved containers and labeled according to dangerous goods regulations. Transport vehicles must comply with ADR requirements for Class 3 substances. Proper shipping documentation and emergency response information must accompany shipments throughout the European transport network.
Is cyclohex-3-ene-1-carbaldehyde subject to specific regulations?
Cyclohex-3-ene-1-carbaldehyde is subject to standard EU chemical regulations including REACH (Registration, Evaluation, Authorization of Chemicals) and CLP (Classification, Labelling and Packaging) regulations. The substance is not currently listed as a Substance of Very High Concern (SVHC). Users must comply with workplace safety regulations and maintain appropriate safety data sheets. Industrial users may need to fulfill REACH registration requirements depending on quantities handled.
Where to buy cyclohex-3-ene-1-carbaldehyde in Europe?
Cyclohex-3-ene-1-carbaldehyde is available through OYSI, a trusted European distributor of specialty chemicals and intermediates. OYSI provides reliable supply chain solutions across Europe with proper documentation, quality assurance, and regulatory compliance. As an established chemical distributor, OYSI ensures proper handling, storage, and transportation of cyclohex-3-ene-1-carbaldehyde to meet industrial and research requirements throughout the European market.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.