Does CAS 20710-38-7 specifically refer to the trans isomer of 3-Methyl-2-hexene?

Yes. This CAS number is assigned specifically to the trans (E) stereoisomer and is distinct from cis or mixed-isomer forms.

Is trans-3-Methyl-2-hexene intended for industrial intermediate use?

It is commonly used as an intermediate in organic synthesis processes, where controlled alkene reactivity and stereochemistry are required.

trans-3-Methyl-2-hexene CAS 20710-38-7

trans-3-Methyl-2-hexene is a branched acyclic alkene used as an organic intermediate in chemical synthesis. It is defined by a carbon–carbon double bond with trans stereochemistry, which influences its reactivity and physical behavior in addition or isomerization reactions. trans-3-Methyl-2-hexene (CAS 20710-38-7) is typically applied in organic synthesis intermediate production, serving as a hydrocarbon building block within controlled industrial reaction systems.
For industrial manufacturing requirements, this material is provided with competitive factory pricing, customized specifications, complete technical documentation including MSDS, TDS, COA, and support for bulk supply operations.

CAS: 20710-38-7
Synonyms: trans-3-Methyl-2-hexene, (E)-3-Methyl-2-hexene, E-3-Methyl-2-hexene
Molecular Formula: C₇H₁₄
Grade: Industrial grade 98%
Package: 200kg iron drum or 50kg plastic drum packaging

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Product Description

1 Physicochemical properties

2 Application Areas

3 Storage conditions

4 Safety precautions

Physicochemical properties

Property	Value
IUPAC Name	(E)-3-Methyl-2-hexene
Other Names	trans-3-Methyl-2-hexene; E-3-methyl-2-hexene; 2-Hexene, 3-methyl-, (E)-; 3-Methyl-trans-2-hexene
CAS Number	20710-38-7
Molecular Formula	C₇H₁₄
Molecular Weight	98.1861 g/mol
Structure	Double bond between C2 and C3 with a methyl group (CH₃) attached to C3 in the trans configuration
Physical State	Liquid (assumed, based on similar alkenes)
Boiling Point	Not precisely documented, but similar to isomers (e.g., 94–97.3 °C for cis/trans mixtures)
Density	Approximately 0.71–0.72 g/cm³ (at 25 °C, estimated from similar compounds)
Solubility	Insoluble in water; soluble in organic solvents (e.g., ethanol, ether)
Viscosity	Low (typical of alkenes)
Chemical Stability	Stable under standard conditions; may react with strong oxidizing agents, acids, or bases
Reactivity	Undergoes addition reactions (e.g., hydrogenation, halogenation) due to the double bond

Application Areas

Spices and essence industry: as an important raw material for synthetic spices, it is used to mix the aroma of food, cosmetics and daily chemical products.
Organic synthesis intermediates: used as intermediates in chemical production to participate in the synthesis of various organic compounds

Storage conditions

Environmental requirements: Store in a cool, ventilated place, away from sources of fire and heat. Keep the container sealed and avoid contact with oxidants and strong acids.
Packaging suggestion: Use explosion-proof storage facilities to avoid static electricity accumulation

Safety precautions

Protective measures:
Respiratory protection: Wear a gas mask or self-contained breathing apparatus in high concentration environments.
Skin/Eye Protection: Wear chemical protective clothing, goggles, and chemical resistant gloves.
Emergency measures:
Skin contact: Immediately rinse with soapy water.
Eye contact: Rinse with flowing water or saline solution and seek medical attention.
Inhalation: Transfer to fresh air and administer oxygen if necessary.
Fire extinguishing method: use foam, dry powder, carbon dioxide or sand

FAQ - Technical & Supply Chain

Q:
Does CAS 20710-38-7 specifically refer to the trans isomer of 3-Methyl-2-hexene?

A: Yes. This CAS number is assigned specifically to the trans (E) stereoisomer and is distinct from cis or mixed-isomer forms.
Q:
Is trans-3-Methyl-2-hexene intended for industrial intermediate use?

A: It is commonly used as an intermediate in organic synthesis processes, where controlled alkene reactivity and stereochemistry are required.

Documents

Documents and Product Support

For product review and sourcing evaluation, supporting documents can be coordinated according to the product type, inquiry stage, and order requirements.

COA for batch-based quality reference
TDS for key physical and chemical information
SDS / MSDS for handling, storage, and safety reference
Packing information for sample, trial, and bulk orders
Technical communication based on application and specification requirements

Quotation

Information to Confirm Before Quotation

Clear sourcing information helps reduce specification mismatch and allows a more accurate quotation before sample or bulk order discussion.

Product name and CAS number
Application or intended end use
Required purity, grade, or specification
Sample quantity, trial order, or bulk demand
Preferred packing form or net weight
Destination country or port
Required documents or compliance expectations

Storage & Handling

Packaging, Storage, and Handling Notes

Packaging form, storage conditions, shelf life, and shipment arrangements should be confirmed according to the product characteristics, package size, and destination requirements.

Before order confirmation, buyers are advised to review the corresponding product documents and confirm whether any special storage, labeling, or handling requirements apply.

Supply Support

Sample, Bulk Order and Repeat Supply Support

Support can be arranged for sample discussion, bulk supply planning, packaging confirmation, and routine sourcing communication based on the actual product and order requirements.

For repeat-use formulations or long-term procurement plans, buyers may discuss specification consistency, packaging preferences, delivery expectations, and document coordination in advance.

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Branched Alkene Hydrocarbon Intermediate Internal Olefin Olefin Intermediate

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