3,3-Dimethylpentane
3,3-Dimethylpentane (CAS 562-49-2) is an acyclic alkane with the molecular formula C7H16 and a molar mass of 100.20 g/mol. This volatile organic compound is characterised by its branched structure. It is primarily utilised in chemical synthesis and as a building block in organic chemistry. Its properties make it a subject of study in research and development, including evaluations for specific testing methodologies.
- Synonyms
- CH3CH2C(CH3)2CH2CH3

Research and Development
3,3-Dimethylpentane has been employed in the development and evaluation of scientific testing methods, such as the epiocular-eye irritation test. This demonstrates its utility in chemical research and validation studies.
Organic Synthesis
As an alkane building block, it can be used in various organic synthesis pathways. Its specific structure allows for incorporation into more complex molecules during chemical transformations.
Solvent Properties
While specific applications as a solvent are not detailed, its nature as a non-polar hydrocarbon suggests potential use in specific solvent applications within organic chemistry.
| Molecular weight | 100.20 |
|---|---|
| Linear formula | CH3CH2C(CH3)2CH2CH3 |
| Assay | 99% |
| Boiling point | 86 °C(lit.) |
| Density | 0.693 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.392(lit.) |
| Vapour pressure | 2.77 psi (37.7 °C) |
| Melting point | −135 °C(lit.) |
| Application | 3,3-Dimethylpentane was used in the development and evaluation of the epiocular-eye irritation test1. |




Hazard statements
- H225Highly flammable liquid and vapour
- H304May be fatal if swallowed and enters airways
- H315Causes skin irritation
- H336May cause drowsiness or dizziness
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P301IF SWALLOWED
- P331Do NOT induce vomiting
- P501Dispose of contents and container per local regulations
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | -7 °C / 19.4 °F |
| Transport (UN / ADR) | UN 3295 3/PG 2 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | F,Xn,N |
| Risk statements (R) | 11-38-50/53-65-67 |
| Safety statements (S) | 9-16-29-33-60-61-62 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3,3-Dimethylpentane used for?
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3,3-Dimethylpentane is used in research and development, for example, in the evaluation of the epiocular-eye irritation test. It also serves as a building block in organic synthesis.
What is the CAS number and chemical formula for 3,3-Dimethylpentane?
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The CAS number for 3,3-Dimethylpentane is 562-49-2. The linear formula is CH3CH2C(CH3)2CH2CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,3-Dimethylpentane with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should 3,3-Dimethylpentane be handled safely?
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3,3-Dimethylpentane is a highly flammable liquid and vapour (H225) and can cause skin irritation (H315), drowsiness or dizziness (H336), and is fatal if swallowed and enters airways (H304). It is also toxic to aquatic life with long-lasting effects (H410). Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, should be used. Store away from heat, sparks, and open flames (P210).
Is 3,3-Dimethylpentane a controlled substance?
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The provided data does not indicate that 3,3-Dimethylpentane is a controlled substance.
How is 3,3-Dimethylpentane shipped and exported?
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3,3-Dimethylpentane is classified for transport as UN 3295, Class 3, Packing Group II. Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals.
How can I request a sample or quote for 3,3-Dimethylpentane?
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Please contact our sales team via the website or your designated account manager to request a sample or obtain a quotation for 3,3-Dimethylpentane.
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