What is 2-Nonene used for?

2-Nonene is mainly used as a chemical intermediate for organic synthesis, including alkylation reactions, nonylphenol intermediates, specialty surfactants and other C9 derivatives. The internal double bond makes it suitable for addition chemistry, but the exact grade and isomer profile should be matched to the intended route.

Is 2-Nonene CAS 2216-38-8 the same product as 1-Nonene CAS 124-11-8?

No. CAS 2216-38-8 identifies a cis/trans 2-Nonene mixture with an internal double bond. CAS 124-11-8 identifies 1-Nonene with a terminal double bond. They must not be substituted without reaction-specific qualification.

Does CAS 2216-38-8 define one stereoisomer, and what should be specified?

No. It can identify a cis/trans mixture of 2-Nonene. If a defined stereoisomer or a fixed cis/trans ratio is required, state that requirement explicitly and agree on the analytical method. Also confirm GC assay, isomer ratio, water, color, inhibitor status, quantity and packaging, because this material differs from mixed branched nonene feedstock.

How should 2-Nonene be stored and transported?

2-Nonene is a flammable liquid and is commonly transported as UN 3295, Hazard Class 3, Packing Group III. Store it in a cool, well-ventilated area away from heat, sparks, open flames and oxidizers, keep containers tightly closed, and use the current product-specific safety information for approved handling.

2-Nonene (cis/trans mixture) CAS 2216-38-8

2-Nonene, CAS 2216-38-8, is supplied as a cis/trans mixture of the internal C9 olefin. It is distinct from 1-Nonene CAS 124-11-8 and from the separately identified cis- and trans-2-Nonene isomers. Purchase specifications should state GC assay, cis/trans profile, water, color, inhibitor status and required packaging for the downstream transformation. The applicable COA, TDS and SDS can be provided for the offered grade.

CAS: 2216-38-8
Synonyms: 2-Nonene, Beta-nonylene, Nonene-2, Internal nonene, Non-terminal nonene
Einecs: 204-681-7
Molecular Formula: C₉H₁₈
Grade: GC assay and cis/trans isomer profile to the agreed specification
Package: 200kg iron drum or 50kg plastic drum packaging

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Product Description

Appearance: colorless liquid.

Solubility: Insoluble in water.

Physical property data

1. Appearance: colorless liquid.

2. Melting point: -81.4 °C

3. Boiling point: 146.9 °C

4. Relative density (water = 1): 0.73

5. Relative vapor density (air = 1): 4.35

6. Saturated vapor pressure: 1.46 kPa (37.7 °C)

7. Heat of combustion (kJ/mol): -5573

8. Critical temperature: 327.8 °C

9. Critical pressure (MPa): 2.48

10. Octanol/water partition coefficient: 5.15

11. Flash point: 26 °C (open cup)

12. Ignition temperature: 244 °C

13. Explosion limit: 4.0%

Storage precautions:

1. Store in a cool and ventilated warehouse.

2. Stay away from fire and heat sources; storage temperature should not exceed 37 °C.

3. Keep the container sealed. It should be stored separately from the oxidizing agent and should not be mixed.

4. Explosion-proof lighting and ventilation facilities are adopted.

5. It is forbidden to use mechanical equipment and tools that are prone to sparks.

6. The storage area should be equipped with leakage emergency treatment equipment and suitable containment materials.

FAQ - Technical & Supply Chain

Q:
What is 2-Nonene used for?

A: 2-Nonene is mainly used as a chemical intermediate for organic synthesis, including alkylation reactions, nonylphenol intermediates, specialty surfactants and other C9 derivatives. The internal double bond makes it suitable for addition chemistry, but the exact grade and isomer profile should be matched to the intended route.
Q:
Is 2-Nonene CAS 2216-38-8 the same product as 1-Nonene CAS 124-11-8?

A: No. CAS 2216-38-8 identifies a cis/trans 2-Nonene mixture with an internal double bond. CAS 124-11-8 identifies 1-Nonene with a terminal double bond. They must not be substituted without reaction-specific qualification.
Q:
Does CAS 2216-38-8 define one stereoisomer, and what should be specified?

A: No. It can identify a cis/trans mixture of 2-Nonene. If a defined stereoisomer or a fixed cis/trans ratio is required, state that requirement explicitly and agree on the analytical method. Also confirm GC assay, isomer ratio, water, color, inhibitor status, quantity and packaging, because this material differs from mixed branched nonene feedstock.
Q:
How should 2-Nonene be stored and transported?

A: 2-Nonene is a flammable liquid and is commonly transported as UN 3295, Hazard Class 3, Packing Group III. Store it in a cool, well-ventilated area away from heat, sparks, open flames and oxidizers, keep containers tightly closed, and use the current product-specific safety information for approved handling.

Ordering & Documentation

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