C16H22O4
278.34 g/mol
Industrial ChemicalDanger
DIISOBUTYL PHTHALATE
CAS84-69-5EC201-553-2
Category
Industrial Chemical
Compound Class
Ester
Primary Use
Plasticizer for PVC formulations
Diisobutyl phthalate is an oily, colorless liquid with a slight ester odor. It is denser than water, insoluble in water, and has low toxicity.
Plasticizer for PVC formulationsUsed in paints, lacquers, and varnishesUsed in adhesives, softeners, and viscosity adjusters
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 84-69-5
Related Compounds
ReferenceSame Category
Diisooctyl 1,2-cyclohexanedicarboxylate
CAS84-71-9
plasticizer
ReferenceSame Category
Dibutyl phthalate
CAS84-74-2
plasticizer for flexible plastics
ReferenceSame Category
2,5-Diphenylquinone
CAS844-51-9
industrial intermediate for dyes and pigments
ReferenceSame Category
Ethyl trimethylbenzoyl phenylphosphinate
CAS84434-11-7
Free radical type I photoinitiator
Referencestereoisomer of
Bis(2-methylpropyl) (²H₄)benzene-1,2-dicarboxylate
CAS358730-88-8
research compound
Safety Reference
Danger
H360May damage fertility or the unborn child
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H412Harmful to aquatic life with long lasting effects
H335May cause respiratory irritation
H336May cause drowsiness or dizziness
Customs Tariff Classification
The international HS code for DIISOBUTYL PHTHALATE (CAS 84-69-5) is 2917.34.
HS code (international, 6-digit)
2917.34
EU CN code (8-digit)
2917 34 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
bis(2-methylpropyl) benzene-1,2-dicarboxylate
InChIKey
MGWAVDBGNNKXQV-UHFFFAOYSA-N
SMILES
CC(C)COC(=O)C1=CC=CC=C1C(=O)OCC(C)C
Synonyms (30)
- DIBP
- 1, bis(2-methylpropyl) ester
- DIISOBUTYL PHTHALATE
- Di(i-butyl)phthalate
- Hatcol DIBP
- Hexaplas M/1B
- Isobutyl phthalate
- Isobutyl phthalate (VAN)
- Kodaflex DIBP
- Palatinol IC
- bis(2-methylpropyl) phthalate
- di-2-methylpropyl phthalate
- di-l-butyl phthalate (DIBP)
- isobutyl-o-phthalate