UNII:EG3PA2K3K5

Modify Date: 2026-07-08 19:42:45

UNII:EG3PA2K3K5 Structure
UNII:EG3PA2K3K5 structure
Common Name UNII:EG3PA2K3K5
CAS Number 22047-49-0 Molecular Weight 396.690
Density 0.9±0.1 g/cm3 Boiling Point 431.9±13.0 °C at 760 mmHg
Molecular Formula C26H52O2 Melting Point N/A
MSDS N/A Flash Point 219.2±9.7 °C

 Use of UNII:EG3PA2K3K5



Summary: 2-ethylhexyl octadecanoate, also known as hard stearate, has a CAS number of 22047-49-0, with a molecular formula of C26H52O2 and a molecular weight of 396.690. It is a liquid with a boiling point of 431.9±13.0 °C and a density of 0.9±0.1 g/cm3. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 2-ethylhexyl octadecanoate
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 0.9±0.1 g/cm3
Boiling Point 431.9±13.0 °C at 760 mmHg
Molecular Formula C26H52O2
Molecular Weight 396.690
Flash Point 219.2±9.7 °C
Exact Mass 396.396729
PSA 26.30000
LogP 12.21
Vapour Pressure 0.0±1.0 mmHg at 25°C
Index of Refraction 1.451
InChIKey OPJWPPVYCOPDCM-UHFFFAOYSA-N
SMILES CCCCCCCCCCCCCCCCCC(=O)OCC(CC)CCCC

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
WI3700000
CHEMICAL NAME :
Stearic acid, 2-ethylhexyl ester
CAS REGISTRY NUMBER :
22047-49-0
LAST UPDATED :
199701
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C26-H52-O2
MOLECULAR WEIGHT :
396.78

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
JACTDZ Journal of the American College of Toxicology. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1-12, 1982-1993. Discontinued. Volume(issue)/page/year: 4(5),107,1985
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
JACTDZ Journal of the American College of Toxicology. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1-12, 1982-1993. Discontinued. Volume(issue)/page/year: 4(5),107,1985 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5092 No. of Facilities: 3 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 1222 (estimated) No. of Female Employees: 241 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes Xi
HS Code 2915709000

 Preparation

This table records publicly available preparation methods, process key points and operation references.


 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2915709000
Summary 2915709000. palmitic acid and its salts and esters. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

2-Ethylhexyl stearate
Octadecanoic acid, 2-ethylhexyl ester
UNII:EG3PA2K3K5
Ethylhexyl stearate
2-ethylhexyl octadecanoate
EINECS 244-754-0

 UNII:EG3PA2K3K5 | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the boiling point of 2-ethylhexyl octadecanoate?
A: Boiling point of 2-ethylhexyl octadecanoate is 431.9±13.0 °C at 760 mmHg.
Q: How is 2-ethylhexyl octadecanoate prepared?
A: Preparation method for 2-ethylhexyl octadecanoate: .
Q: What is the SMILES notation of 2-ethylhexyl octadecanoate?
A: SMILES notation of 2-ethylhexyl octadecanoate is CCCCCCCCCCCCCCCCCC(=O)OCC(CC)CCCC.
Q: What is the molecular weight of 2-ethylhexyl octadecanoate?
A: Molecular weight of 2-ethylhexyl octadecanoate is 396.690.
Q: What is the LogP of 2-ethylhexyl octadecanoate?
A: LogP of 2-ethylhexyl octadecanoate is 12.21.
Q: What is the English name of 2-ethylhexyl octadecanoate?
A: The English name of 2-ethylhexyl octadecanoate is 2-ethylhexyl octadecanoate.
Q: What is the polar surface area (PSA) of 2-ethylhexyl octadecanoate?
A: Polar surface area (PSA) of 2-ethylhexyl octadecanoate is 26.30000.
Q: What English synonyms does 2-ethylhexyl octadecanoate have?
A: English synonyms of 2-ethylhexyl octadecanoate: 2-Ethylhexyl stearate, Octadecanoic acid, 2-ethylhexyl ester, UNII:EG3PA2K3K5, Ethylhexyl stearate, 2-ethylhexyl octadecanoate, EINECS 244-754-0.
Q: What are the uses of 2-ethylhexyl octadecanoate?
A: Main uses of 2-ethylhexyl octadecanoate: .
Q: What is the InChIKey of 2-ethylhexyl octadecanoate?
A: InChIKey of 2-ethylhexyl octadecanoate is OPJWPPVYCOPDCM-UHFFFAOYSA-N.

 UNII:EG3PA2K3K5factory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
Zhongshan Xingrui Chemical Co. , Ltd.
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