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2,2,4-Trimethylpentane, ACS, 99+%, Thermo Scientific Chemicals
Description
Solvent, thinner, in determination of fuel octane numbers2,2,4-Trimethylpentane is used as a solvent in spectrophotometric analysis and organic synthesis. Due to its high antiknock octane number, it is widely employed as a standard reference fuel for octane ratings. It acts as an entrainer in azeotropic distillation as well as a thinner. It is involved as a processing aid in the petroleum industry.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications
Specifications
Melting Point | -107°C |
Color | Colorless |
Density | 0.692 g/cm3 at 20°C |
Boiling Point | 98°C to 99°C |
Flash Point | -7°C (19°F) |
Assay Percent Range | >99% |
Odor | Nearly Odorless |
Refractive Index | 1.391 |
Quantity | 1 L |
UN Number | 1262 |
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Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
X22F706 | Certificate of Analysis | 31/03/2025 | 031787.M1,031787.K2,031787.K7,031787.AP |
N27L702 | Certificate of Analysis | 26/03/2025 | 031787.M1,031787.K2,031787.K7,031787.AP |
M30L717 | Certificate of Analysis | 30/01/2025 | 031787.M1,031787.K2,031787.K7,031787.AP |
M30L719 | Certificate of Analysis | 30/01/2025 | 031787.M1,031787.K2,031787.K7,031787.AP |
R31K830 | Certificate of Analysis | 11/06/2024 | 031787.M1,031787.K2,031787.K7,031787.AP |
Safety and Handling




- 2,2,4-Trimethylpentane
- Danger
- LONG-TERM AQUATIC HAZARD Chronic 1
- ACUTE AQUATIC Acute 1
- Aspiration toxicity Category 1
- Flammable liquid Category 2
- Skin corrosion/irritation Category 2
- Specific target organ toxicity Category 3
- H225-Highly flammable liquid and vapour.
- H304-May be fatal if swallowed and enters airways.
- H315-Causes skin irritation.
- H336-May cause drowsiness or dizziness.
- H400-Very toxic to aquatic life.
- H410-Very toxic to aquatic life with long lasting effects.
- P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P301+P310-IF SWALLOWED: Immediately call a POISON CENTER/doctor /
- P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
- P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
- P331-Do NOT induce vomiting.
- MIXTURE LIST-Contains : 2,2,4-Trimethylpentane
RUO – Research Use Only
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