Dibutyl phthalate
邻苯二甲酸二丁酯
Also known as: 1,2-Benzenedicarboxylic acid dibutyl ester, Butyl phthalate, DBP, Di-n-butyl phthalate, Phthalic acid dibutyl ester, Phthalic acid di-n-butyl ester
Dibutyl phthalate (CAS 84-74-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H22O4 and a molecular weight of 278.344 g/mol. It is also known as 1,2-Benzenedicarboxylic acid dibutyl ester, Butyl phthalate and DBP. Key properties include a melting point of -35 °C, a boiling point of 337.0±10.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 171.1±0.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 84-74-2
- Jingsj CID
- J-89707-1
- Molecular Formula
- C16H22O4
- Chinese Name
- 邻苯二甲酸二丁酯
- Molecular Weight
- 278.344 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -35 °C |
|---|---|
| Boiling Point | 337.0±10.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 171.1±0.0 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Dibutyl phthalate?
The CAS number of Dibutyl phthalate is 84-74-2.
What are the molecular formula and molecular weight of Dibutyl phthalate?
Dibutyl phthalate has molecular formula C16H22O4 and molecular weight 278.344 g/mol.
Is Dibutyl phthalate hazardous?
Dibutyl phthalate has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dibutyl phthalate (CAS 84-74-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-89707-1 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.