Diisodecyl phthalate(DIDP) - ≥99%(GC), mixture of isomers , CAS No.26761-40-0

CAS: 26761-40-0 Cat. No.: D105348 Molecular Weight: 446.66 Beilstein Registry Number: 2171889 EC Number: 247-977-1
AVAILABLE TO ORDER
GRADE & PURITY ≥99%(GC) mixture of isomers
Synonyms
1,2-Benzenedicarboxylic acid, diisodecyl ester | CCRIS 6194 | FT-0606278 | Phthalic acid, diisodecyl ester | CAS-68515-49-1 | Diisodecylphthalate | AKOS015888325 | 1,2-Benzenedicarboxylic acid, bis(8-methylnonyl) ester | SCHEMBL22307 | Plasticized ddp | M
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25ml
D105348-25ml
3

$13.90

$15.90
Save $2.00 (12.58%)
100ml
D105348-100ml
4

$21.90

$28.90
Save $7.00 (24.22%)
500ml
D105348-500ml
3

$43.90

$51.90
Save $8.00 (15.41%)
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥99%(GC), mixture of isomers for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature 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 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Diisodecyl phthalate (DIDP) belongs to phthalate group, and is a dialkyl or aryl/alkyl diesters of phthalic acid. It is mostly used as a plasticizer in manufacturing polymers and other consumer products.

Specifications

Synonyms
1, 2-Benzenedicarboxylic acid, diisodecyl ester | CCRIS 6194 | FT-0606278 | Phthalic acid, diisodecyl ester | CAS-68515-49-1 | Diisodecylphthalate | AKOS015888325 | 1, 2-Benzenedicarboxylic acid, bis(8-methylnonyl) ester | SCHEMBL22307 | Plasticized ddp | M
Specifications & Purity
≥99%(GC), mixture of isomers
Storage
Room temperature
Shipped In
Normal
Purity
≥99%(GC)
Names and Identifiers
Pubchem Sid488183228
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488183228
Canonical SmilesCC(C)CCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC(C)C
IUPAC Namebis(8-methylnonyl) benzene-1,2-dicarboxylate
InChIKeyZVFDTKUVRCTHQE-UHFFFAOYSA-N
INCHI1S/C28H46O4/c1-23(2)17-11-7-5-9-15-21-31-27(29)25-19-13-14-20-26(25)28(30)32-22-16-10-6-8-12-18-24(3)4/h13-14,19-20,23-24H,5-12,15-18,21-22H2,1-4H3
Isomeric SMILES CC(C)CCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC(C)C
WGK Germany 1
RTECS TI1270000
Alternate CAS 68515-49-1
Molecular Weight 446.66
Beilstein 2171889
Reaxy-Rn 2171889
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2171889&ln=

Documentation

📋 Safety Data Sheet (SDS)

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

Download SDS →

✅ 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 2-hydroxyisophthalic acid
3D Structure
Interactive Chemical Structure Model





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.

14 results found

Lot NumberCertificate TypeDateItem
D2630075Certificate of AnalysisApr 21, 2026 D105348
D2630076Certificate of AnalysisApr 21, 2026 D105348
D2630077Certificate of AnalysisApr 21, 2026 D105348
D2630078Certificate of AnalysisApr 21, 2026 D105348
D2630079Certificate of AnalysisApr 21, 2026 D105348
K2108767Certificate of AnalysisAug 12, 2025 D105348
C1609016Certificate of AnalysisOct 08, 2023 D105348
H2308223Certificate of AnalysisJul 14, 2023 D105348
J1916255Certificate of AnalysisJul 14, 2023 D105348
B2303825Certificate of AnalysisFeb 18, 2023 D105348
B2303826Certificate of AnalysisFeb 18, 2023 D105348
L2216809Certificate of AnalysisJan 05, 2023 D105348
L2216815Certificate of AnalysisJan 05, 2023 D105348
C1513051Certificate of AnalysisDec 09, 2022 D105348

Show more ⌵

Chemical and Physical Properties
SolubilityInsoluble in water; Degree of Solubility in water: 0.28 mg/l 24 °C
SensitivityMoisture sensitive.
Refractive Index1.483
Flash Point(°F)527℉
Flash Point(°C)275°C
Boil Point(°C)250-257°C
Melt Point(°C)-50°C
Molecular Weight446.700 g/mol
XLogP310.600
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count20
Exact Mass446.34 Da
Monoisotopic Mass446.34 Da
Topological Polar Surface Area52.600 Ų
Heavy Atom Count32
Formal Charge0
Complexity442.000
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
Documents & Articles
Citations of This Product
References
1. Leng Yue, Sun Yonghai, Huang Wei, Lv Chengyu, Cui Jingyan, Li Tiezhu, Wang Yongjun.  (2021)  Identification of dicyclohexyl phthalate as a glucocorticoid receptor antagonist by molecular docking and multiple in vitro methods.  MOLECULAR BIOLOGY REPORTS,  48  (4): (3145-3154).  [PMID:33881729] [10.1007/s11033-021-06303-2]
2. Tao Sun, Jian Shen, Hui Yan, Jingcheng Hao, Aiyou Hao.  (2012)  Stable vesicles assembled by “supramolecular amphiphiles” with double hydrophobic chains.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2012.08.045]
Solution Calculators
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.