Benzyl butyl phthalate

Also known as: Butyl benzyl phthalate, 1,2-Benzenedicarboxylic acid, butyl phenylmethyl ester, 2-O-benzyl 1-O-butyl benzene-1,2-dicarboxylate, Phthalic acid, benzyl butyl ester, BBP, benzyl n-butyl phthalate, butyl phenylmethyl 1,2-benzenedicarboxylate, UNII-YPC4PJX59M

Benzyl butyl phthalate (CAS 85-68-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C19H20O4 and a molecular weight of 312.360 g/mol. Key properties include a melting point of <-35ºC, a boiling point of 408.3±20.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 198.3±20.2 °C. It is classified under GHS with signal word Danger and hazard statements H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.: 85-68-7
Jingsj CID: J-14514-5
Molecular Formula: C₁₉H₂₀O₄
Molecular Weight: 312.360 g/mol
Category: Organic Acids
Last updated: 11/3/2026

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Physicochemical Properties

Melting Point	<-35ºC
Boiling Point	408.3±20.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	198.3±20.2 °C
Exact Mass	312.136169
PSA	52.60000
LogP	5.00
Additional Property	10.8 (vs air)
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.553
Additional Property	0.000269 g/100 mL
Additional Property	-35℃

GHS Safety & Compliance

Health Hazard / Environmental HazardSignal word: Danger

H410 — Very toxic to aquatic life with long lasting effects

Activity & Biological Data

Additional Information	[1]. Sun G, et al. Developmental toxicity and cardiac effects of butyl benzyl phthalate in zebrafish embryos. Aquat Toxicol. 2017;192:165-170. [2]. Cui S, et al. Benzyl butyl phthalate (BBP) triggers the migration and invasion of hemangioma cells via upregulation of Zeb1. Toxicol In Vitro. 2019;60:323-329. [3]. Wang YC, et al. Benzyl butyl phthalate promotes breast cancer stem cell expansion via SPHK1/S1P/S1PR3 signaling. Oncotarget. 2016;7(20):29563-29576.

Additional Information

[1]. Sun G, et al. Developmental toxicity and cardiac effects of butyl benzyl phthalate in zebrafish embryos. Aquat Toxicol. 2017;192:165-170. [2]. Cui S, et al. Benzyl butyl phthalate (BBP) triggers the migration and invasion of hemangioma cells via upregulation of Zeb1. Toxicol In Vitro. 2019;60:323-329. [3]. Wang YC, et al. Benzyl butyl phthalate promotes breast cancer stem cell expansion via SPHK1/S1P/S1PR3 signaling. Oncotarget. 2016;7(20):29563-29576.

Customs & Trade Information

HS Code	2917349000
Summary	2917349000 other esters of orthophthalic acid。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Benzyl butyl phthalate?

The CAS number of Benzyl butyl phthalate is 85-68-7.

What are the molecular formula and molecular weight of Benzyl butyl phthalate?

Benzyl butyl phthalate has molecular formula C19H20O4 and molecular weight 312.360 g/mol.

Is Benzyl butyl phthalate hazardous?

Benzyl butyl phthalate has GHS signal word Danger and hazard statements H410 — Very toxic to aquatic life with long lasting effects.

What are the upstream and downstream products of Benzyl butyl phthalate?

For Benzyl butyl phthalate, Upstream Products: Monobutyl phthalate, Benzyl bromide, Phthalic anhydride.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 11/3/2026

How to cite: Jingsj. "Benzyl butyl phthalate (CAS 85-68-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14514-5 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.