D

Dibutyl phthalate

IUPAC: dibutyl benzene-1,2-dicarboxylate

C16H22O4 Organic Compounds CAS 84-74-2
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Quick Reference
Formula / NotationC16H22O4
CAS Number84-74-2
Molecular Weight278.34
Melting Point-31 °F (NTP, 1992)
Boiling Point644 °F at 760 mmHg (NTP, 1992)
Density1.049 at 68 °F (USCG, 1999) - Denser than water; will sink
Solubilityless than 1 mg/mL at 68 °F (NTP, 1992)
AppearanceN-butyl phthalate is a colorless oily liquid. It is insoluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. ...
Also Known Asdibutyl benzene-1,2-dicarboxylate; 84-74-2; Di-n-butyl phthalate; n-Butyl phthalate; Butyl phthalate; Genoplast B; Palatinol C; Celluflex DPB; Unimoll DB; DIBUTYLPHTHALATE
CategoryOrganic Compounds

What is Dibutyl phthalate?

Di-n-butyl Phthalate (DBP) can cause developmental toxicity, female reproductive toxicity and male reproductive toxicity according to The National Toxicology Program's Center for the Evaluation of Risks to Human Reproduction.

Formula & Notation

C16H22O4

IUPAC Name: dibutyl benzene-1,2-dicarboxylate

Other Names / Synonyms: dibutyl benzene-1,2-dicarboxylate; 84-74-2; Di-n-butyl phthalate; n-Butyl phthalate; Butyl phthalate; Genoplast B; Palatinol C; Celluflex DPB; Unimoll DB; DIBUTYLPHTHALATE

Properties & Characteristics

Appearance: N-butyl phthalate is a colorless oily liquid. It is insoluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. .... Molecular formula: C16H22O4. Molecular weight: 278.34 g/mol. Boiling point: 644 °F at 760 mmHg (NTP, 1992). Melting point: -31 °F (NTP, 1992). Density: 1.049 at 68 °F (USCG, 1999) - Denser than water; will sink. Solubility: less than 1 mg/mL at 68 °F (NTP, 1992). Vapor pressure: 1 mmHg at 297 °F ; 1.1 mmHg at 302 °F (NTP, 1992). LogP: 4.7.

Physical Data

PropertyValue
Melting Point-31 °F (NTP, 1992)
Boiling Point644 °F at 760 mmHg (NTP, 1992)
Density1.049 at 68 °F (USCG, 1999) - Denser than water; will sink
Molecular Weight278.34
Solubilityless than 1 mg/mL at 68 °F (NTP, 1992)
AppearanceN-butyl phthalate is a colorless oily liquid. It is insoluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. ...

Uses & Applications

Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.

Safety Information

Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Dibutyl phthalate
Formula C16H22O4
CAS Number 84-74-2
Molecular Weight 278.34
Synonyms dibutyl benzene-1,2-dicarboxylate; 84-74-2; Di-n-butyl phthalate; n-Butyl phthalate; Butyl phthalate; Genoplast B; Palatinol C; Celluflex DPB; Unimoll DB; DIBUTYLPHTHALATE

Frequently Asked Questions

Di-n-butyl Phthalate (DBP) can cause developmental toxicity, female reproductive toxicity and male reproductive toxicity according to The National Toxicology Program's Center for the Evaluation of Risks to Human Reproduction.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.