C8H20Pb
323 g/mol
Industrial ChemicalDanger
Tetraethyllead
CAS78-00-2EC201-075-4
Category
Industrial Chemical
Compound Class
Organometallic
Primary Use
Antiknock agent in gasoline
Tetraethyllead is an organolead compound that was widely used as a fuel additive in gasoline to increase its octane rating, allowing higher engine compression and improved vehicle performance and fuel economy.
Fuel additive for increasing octane rating in gasolineAntiknock agent in automotive fuels
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.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
CAS 78-00-2
Related Compounds
ReferenceSame Category
Vinyltriethoxysilane
CAS78-08-0
adhesion promoter and coupling agent
ReferenceSame Category
Tetraethyl silicate
CAS78-10-4
preservative and binder for stone and coatings
ReferenceSame Category
Diallylidene pentaerythritol
CAS78-19-3
crosslinking agent for polymers
ReferenceSame Category
1-ethynylcyclohexanol
CAS78-27-3
Industrial processing aid and intermediate
Safety Reference
Danger
H300Fatal if swallowed
H310Fatal in contact with skin
H330Fatal if inhaled
H360May damage fertility or the unborn child
H373May cause damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H227
H311Toxic in contact with skin
H361Suspected of damaging fertility or the unborn child
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H351Suspected of causing cancer
Regulatory Compliance5
Customs Tariff Classification
The international HS code for Tetraethyllead (CAS 78-00-2) is 2931.10, 3811.11, 3824.99.
HS code (international, 6-digit)
2931.10, 3811.11, 3824.99
EU CN code (8-digit)
2931 10 00, 3811 11 10, 3824 99 92, 3824 99 93
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
tetraethylplumbane
InChIKey
MRMOZBOQVYRSEM-UHFFFAOYSA-N
SMILES
CC[Pb](CC)(CC)CC
Synonyms (20)
- TEL
- (PbEt4)
- Bleitetraethyl
- Czteroetylek olowiu
- Czteroetylek olowiu [Polish]
- Lead tetraethide
- Lead tetraethyl
- Piombo tetra-etile
- Piombo tetra-etile [Italian]
- Plumbane, tetraethyl-
- Tel-tml, reacted
- Tetra(methylethyl)lead
- Tetraethyl lead (as Pb)
- Tetraethyl lead, liquid
- Tetraethyllead
- Tetraethylolovo
- Tetraethylolovo [Czech]
- Tetraethylplumbane
- Tetraethylplumbium