C4H10
58.12 g/mol
Industrial ChemicalDanger
2-Methylpropane
CAS75-28-5EC200-857-2
Category
Industrial Chemical
Compound Class
n.a
Primary Use
fuel, refrigerant, propellant, gasoline additive
Isobutane, also known as 2-methylpropane, is a colorless, odorless gas and an isomer of butane. It is the simplest alkane with a tertiary carbon atom and is used as a precursor in the petrochemical industry, including for the synthesis of isooctane.
fuelrefrigerantpropellant
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
Isopropyl chloride
CAS75-29-6
Solvent and intermediate
ReferenceSame Category
Isopropylamine
CAS75-31-0
Solvent and chemical intermediate
ReferenceSame Category
1,1-dichloroethene
CAS75-35-4
Chemical intermediate for polymer production
ReferenceSame Category
Phosgene
CAS75-44-5
Intermediate for isocyanates and organic chemicals
Safety Reference
Danger
H220Extremely flammable gas
H340May cause genetic defects
H350May cause cancer
H280Contains gas under pressure; may explode if heated
H336May cause drowsiness or dizziness
H370Causes damage to organs
H332Harmful if inhaled
H371May cause damage to organs
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 2-Methylpropane (CAS 75-28-5) 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-methylpropane
InChIKey
NNPPMTNAJDCUHE-UHFFFAOYSA-N
SMILES
CC(C)C
Synonyms (20)
- MEB
- 1,1-Dimethylethane
- 2-Methylpropane
- 2-Methylpropane, puriss.
- Caswell No. 503A
- E943b
- H-tBu
- ISOBUTANE (II)
- ISOBUTANE (MART.)
- Isobutane (NF)
- Methylpropane
- PROPANE, 2-METHYL
- R 600a
- Trimethylmethane
- dimethylethane
- i-Butane
- iso-butane
- tert-Butane
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