Dipentyl phthalate - ≥98% , CAS No.131-18-0

CAS: 131-18-0 Cat. No.: D103089 Formula: C18H26O4 Molecular Weight: 306.4 Beilstein Registry Number: 1987323 EC Number: 205-017-9
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
1,2-dipentyl benzene-1,2-dicarboxylate | DIAMYL PHTHALATE [HSDB] | Dipentyl phthalate, Selectophore(TM), >=99.0% | (1Z)-2-(1H-BENZIMIDAZOL-2-YL)-N-HYDROXYETHANIMIDAMIDE | EN300-1073404 | NCGC00259069-01 | DTXSID5031131 | Q27116218 | NCGC00090765-02 | AI3-
Storage
Room temperature,Argon charged,Desiccated
Shipped In
Normal
★
Size
Germany (EU)
USA*
Price
Qty
25ml
D103089-25ml
—
7 In stock
€25.95
100ml
D103089-100ml
—
3 In stock
€69.33
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Argon charged,Desiccated Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 28 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Dipentyl phthalate (DPeP) belongs to phthalate group, and is a dialkyl or aryl/alkyl diesters of phthalic acid. It may be prepared from phthalic anhydride along with n-pentanol.

Specifications

Synonyms
1,2-dipentyl benzene-1,2-dicarboxylate | DIAMYL PHTHALATE [HSDB] | Dipentyl phthalate, Selectophore(TM), >=99.0% | (1Z)-2-(1H-BENZIMIDAZOL-2-YL)-N-HYDROXYETHANIMIDAMIDE | EN300-1073404 | NCGC00259069-01 | DTXSID5031131 | Q27116218 | NCGC00090765-02 | AI3-
Specifications & Purity
≥98%
Storage
Room temperature,Argon charged,Desiccated
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/504751701
Canonical Smiles
CCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCC
IUPAC Name
dipentyl benzene-1,2-dicarboxylate
InChIKey
IPKKHRVROFYTEK-UHFFFAOYSA-N
INCHI
1S/C18H26O4/c1-3-5-9-13-21-17(19)15-11-7-8-12-16(15)18(20)22-14-10-6-4-2/h7-8,11-12H,3-6,9-10,13-14H2,1-2H3
Isomeric SMILES
CCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCC
WGK Germany
3
RTECS
TI1930000
UN Number
3082
Packing Group
III
Molecular Weight
306.4
Beilstein
1987323
Reaxy-Rn
1987323
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1987323&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

<<<<<<< HEAD Download SDS → ======= Download SDS → >>>>>>> release248-p3

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzoic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentBenzoic acid esters
Alternative Parents Benzoyl derivatives  Dicarboxylic acids and derivatives  Carboxylic acid esters  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzoate ester - Benzoyl - Dicarboxylic acid or derivatives - Carboxylic acid ester - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzoic acid esters. These are ester derivatives of benzoic acid.
External Descriptors Phthalates
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
VDR Tclin Vitamin D receptor (26531 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TSHR Tclin Thyroid stimulating hormone receptor (29986 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KCNH2 Tclin HERG (29587 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP3A4 Tclin Cytochrome P450 3A4 (53859 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TP53 Tchem Cellular tumor antigen p53 (48468 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Mapk1 MAP kinase ERK2 (650 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates (CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

11 results found

Lot NumberCertificate TypeDateItem
F2615347F2615347Certificate of AnalysisJun 01, 2026 D103089
H2124245H2124245Certificate of AnalysisJun 09, 2025 D103089
H2124246H2124246Certificate of AnalysisJun 09, 2025 D103089
A2106131A2106131Certificate of AnalysisNov 04, 2024 D103089
I2516413I2516413Certificate of AnalysisApr 27, 2024 D103089
K2419468K2419468Certificate of AnalysisApr 27, 2024 D103089
H2428462H2428462Certificate of AnalysisApr 27, 2024 D103089
H2428498H2428498Certificate of AnalysisApr 27, 2024 D103089
H2504068H2504068Certificate of AnalysisApr 27, 2024 D103089
F23151033F23151033Certificate of AnalysisJun 14, 2022 D103089
H2218364H2218364Certificate of AnalysisJun 14, 2022 D103089
Chemical and Physical Properties
SolubilityNot miscible or difficult to mix in water.
SensitivityMoisture sensitive
Refractive Index1.49
Flash Point(°F)118℃
Flash Point(°C)118℃
Boil Point(°C)342°C
Melt Point(°C)-55°C
Molecular Weight306.400 g/mol
XLogP35.800
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count12
Exact Mass306.183 Da
Monoisotopic Mass306.183 Da
Topological Polar Surface Area52.600 Ų
Heavy Atom Count22
Formal Charge0
Complexity295.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

Frequently Asked Questions

What is the purity of this product?
This product is supplied at ≥98% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store at room temperature, desiccated, under argon. It is supplied under an argon blanket; reseal under inert gas after each use.
How is this product shipped?
This product ships under standard ambient conditions. No temperature-controlled packaging is required.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 131-18-0, the molecular formula is C18H26O4, and the molecular weight is 306.4 g/mol. InChIKey IPKKHRVROFYTEK-UHFFFAOYSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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