C8H18
114.23 g/mol
Industrial ChemicalDanger
2,2,4-Trimethylpentane
CAS540-84-1EC208-759-1
Category
Industrial Chemical
Compound Class
Other
Primary Use
solvent and octane rating standard
2,2,4-Trimethylpentane, commonly known as isooctane, is a clear colorless liquid with a petroleum-like odor. It is less dense than water, insoluble in water, and its vapors are heavier than air.
determining octane numbers of fuelssolvent and thinnerspectrophotometric analysis
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
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Organic synthesis intermediate
Referencestereoisomer of
2,2,4-Tris[(²H₃)methyl](²H₉)pentane
CAS51685-57-5
research compound
Safety Reference
Danger
H225Highly flammable liquid and vapour
H304May be fatal if swallowed and enters airways
H315Causes skin irritation
H336May cause drowsiness or dizziness
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H224Extremely flammable liquid and vapour
H302Harmful if swallowed
H335May cause respiratory irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 2,2,4-Trimethylpentane (CAS 540-84-1) is 2901.10.
HS code (international, 6-digit)
2901.10
EU CN code (8-digit)
2901 10 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2,2,4-trimethylpentane
InChIKey
NHTMVDHEPJAVLT-UHFFFAOYSA-N
SMILES
CC(C)CC(C)(C)C
Synonyms (29)
- 2,2,4-Trimethylpentane
- 2,2,4-Trimethylpentane, ASTM
- 2,2,4-Trimethylpentane, p.a.
- 2,2,4-trimethylpentane (tmp)
- 2,4,4Trimethylpentane
- Isobutyltrimethylethane
- Isobutyltrimethylmethane
- Isooctane
- Isooctane Blank
- Pentane, 2,2,4-trimethyl-
- Pentane,2,4-trimethyl-
- Trimethyl-2,2,4 pentane
- Trimethylpentane
- i-octane
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