Span 40 - Reagent grade , CAS No.26266-57-9

CAS: 26266-57-9 Cat. No.: S112963 Molecular Weight: 402.57 EC Number: 247-568-8 PubChem CID: 16212480
AVAILABLE TO ORDER
GRADE & PURITY Reagent Grade ? General reagent-grade purity suitable for most laboratory work. Use as a dependable default when no specific higher grade is required.
Synonyms
Endrin 20 EC | Protachem SMP | Rheodol SP-P 10 | AI3-03901 | BCP14221 | Crill 2 | EINECS 247-568-8 | [(2R)-2-[(2R,3R,4S)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] hexadecanoate | SORBITAN PALMITATE [INCI] | SORBITAN, MONOHEXADECANOATE | DSSTox_CID_9335 |
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250g
S112963-250g
1
$9.90
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Why this grade

Reagent grade Reagent Grade for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

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

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Literature proof

Cited in 12 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Endrin 20 EC | Protachem SMP | Rheodol SP-P 10 | AI3-03901 | BCP14221 | Crill 2 | EINECS 247-568-8 | [(2R)-2-[(2R, 3R, 4S)-3, 4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] hexadecanoate | SORBITAN PALMITATE [INCI] | SORBITAN, MONOHEXADECANOATE | DSSTox_CID_9335 |
Specifications & Purity
Reagent grade
Storage
Room temperature
Shipped In
Normal
Grade
Reagent Grade
Names and Identifiers
Pubchem Sid488199160
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488199160
Canonical SmilesCCCCCCCCCCCCCCCC(=O)OCC(C1C(C(CO1)O)O)O
IUPAC Name[(2R)-2-[(2R,3R,4S)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] hexadecanoate
InChIKeyIYFATESGLOUGBX-YVNJGZBMSA-N
INCHI1S/C22H42O6/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-20(25)27-17-19(24)22-21(26)18(23)16-28-22/h18-19,21-24,26H,2-17H2,1H3/t18-,19+,21+,22+/m0/s1
Isomeric SMILES CCCCCCCCCCCCCCCC(=O)OC[C@H]([C@@H]1[C@@H]([C@H](CO1)O)O)O
WGK Germany 1
RTECS WG2932900
PubChem CID 16212480
Molecular Weight 402.57
Reaxy-Rn 10040938

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.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassLipids and lipid-like molecules
ClassFatty Acyls
SubclassFatty acid esters
Intermediate Tree Nodes Not available
Direct ParentFatty acid esters
Alternative Parents Tetrahydrofurans  Secondary alcohols  Carboxylic acid esters  Oxacyclic compounds  Monocarboxylic acids and derivatives  Dialkyl ethers  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents Fatty acid ester - Tetrahydrofuran - Carboxylic acid ester - Secondary alcohol - Carboxylic acid derivative - Dialkyl ether - Ether - Monocarboxylic acid or derivatives - Oxacycle - Organoheterocyclic compound - Carbonyl group - Organic oxide - Alcohol - Organooxygen compound - Hydrocarbon derivative - Organic oxygen compound - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as fatty acid esters. These are carboxylic ester derivatives of a fatty acid.
External Descriptors Not available
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
I2212328Certificate of AnalysisJun 15, 2026 S112963
D2623657Certificate of AnalysisFeb 27, 2026 S112963
D2623658Certificate of AnalysisFeb 27, 2026 S112963
D2623659Certificate of AnalysisFeb 27, 2026 S112963
J2529669Certificate of AnalysisOct 13, 2025 S112963
J2529680Certificate of AnalysisOct 13, 2025 S112963
J2529681Certificate of AnalysisOct 13, 2025 S112963
K2125106Certificate of AnalysisSep 08, 2025 S112963
F2303632Certificate of AnalysisApr 20, 2023 S112963
F2303646Certificate of AnalysisApr 20, 2023 S112963
F2303652Certificate of AnalysisApr 20, 2023 S112963
B2308101Certificate of AnalysisFeb 18, 2023 S112963
F1501117Certificate of AnalysisFeb 06, 2023 S112963
I2212329Certificate of AnalysisJun 25, 2022 S112963

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Chemical and Physical Properties
SensitivityMoisture sensitive.
Flash Point(°F)235.4℉
Flash Point(°C)113°C
Melt Point(°C)46-47°C
Molecular Weight402.600 g/mol
XLogP35.800
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count6
Rotatable Bond Count18
Exact Mass402.298 Da
Monoisotopic Mass402.298 Da
Topological Polar Surface Area96.200 Ų
Heavy Atom Count28
Formal Charge0
Complexity389.000
Isotope Atom Count0
Defined Atom Stereocenter Count4
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. Onyinyechi Lydia Ugorji, Olisa Ivy Okoye, Chinekwu Nwangwu, Chinazom Precious Agbo, Franklin Chimaobi Kenechukwu.  (2023)  Soluplus-stabilized 5-fluorouracil-entrapped niosomal formulations prepared via active and passive loading techniques: comparative physico-chemical evaluation.  JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY,      [PMID:] [10.1080/01932691.2023.2186427]
2. Pengcheng Li, Jingjing Zhu, Hongyu Zhang, Lan Wang, Shulin Wang, Mengting Zhang, Jianping Wu, Lirong Yang, Gang Xu.  (2023)  Preparation of Coupling Catalyst HamZIF-90@Pd@CALB with Tunable Hollow Structure for Efficient Dynamic Kinetic Resolution of 1-Phenylethylamine.  MOLECULES,  28  (3): (922).  [PMID:36770588] [10.3390/molecules28030922]
3. Xiaoni Shi, Kun Yang, Hetao Song, Zhidong Teng, Yun Zhang, Weihao Ding, Aofei Wang, Shuzhen Tan, Hu Dong, Shiqi Sun, Yonghao Hu, Huichen Guo.  (2022)  Development and Efficacy Evaluation of a Novel Nano-Emulsion Adjuvant for a Foot-and-Mouth Disease Virus-like Particles Vaccine Based on Squalane.  Nanomaterials,  12  (22): (3934).  [PMID:36432220] [10.3390/nano12223934]
4. Hanqi Xu, Jinbo Wu, Yaying Hong, Weijia Wen.  (2021)  The surfactant effect on electrorheological performance and colloidal stability.  Soft Matter,  17  (30): (7158-7167).  [PMID:34259280] [10.1039/D1SM00685A]
5. Hongli Liu, Shirong Wang, Zheng Sun, Yin Xiao, Xianggao Li.  (2015)  Studies on the charging behaviors of copper chromite black in nonpolar media with nonionic surfactants for electrophoretic displays.  Journal of Materials Chemistry C,  (2): (323-330).  [PMID:] [10.1039/C5TC02968F]
6. Xiaozhu Shi, Junping Duan, Jianjun Lu, Miaoqing Liu, Lijuan Shi.  (2014)  A novel fabrication method of network-like polyimide/silica composite microspheres with a high SiO2 content.  MATERIALS LETTERS,      [PMID:] [10.1016/j.matlet.2014.04.049]
7. Yue Liu, Taimei Cai, Sen Chen, Tao Wen, Hailong Peng.  (2024)  CeFe nanofibrous carbon nanozyme integrated with smartphone for the point-of-care testing of norfloxacin in water.  Journal of Pharmaceutical Analysis,      [PMID:39850235] [10.1016/j.jpha.2024.101023]
8. Dawei Sun, Jiaxin Wang, Li Maoshuo, Li Wenjuan, Ma Wenxu, Chen Zhen, Wang Yali, Cui Suping.  (2025)  Encapsulation of cement particles for self-healing mortars.  COMPOSITES PART B-ENGINEERING,      [PMID:] [10.1016/j.compositesb.2025.112282]
9. Wenyan Liu, Jingxia Cao, Qixin Zhang, Weiqin Wang, Yuanping Ye, Senwang Zhang, Leiyan Wu.  (2024)  Interfacial Properties and Structure of Emulsions and Foams Co-Stabilized by Span Emulsifiers of Varying Carbon Chain Lengths and Egg Yolk Granules.  Foods,  14  (1): (35).  [PMID:39796325] [10.3390/foods14010035]
10. Dan Wang, Yan Wang, Changjiang Li, Junmin Ji.  (2024)  Safe and targeted detoxification of aflatoxins from contaminated peanut oil by palygorskite infiltrated with Span series surfactant.  APPLIED CLAY SCIENCE,      [PMID:] [10.1016/j.clay.2024.107660]
11. Ruoning Zhang, Yanhui Zhang, Tingnan Song, Song Miao, Yanxiang Gao, Like Mao.  (2025)  Shear-responsive oleogels with improved lubrication in oral conditions.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.167053]
12. Onyinyechi Lydia Ugorji, Ikechukwu Virgilius Onyishi, Amarauche Chukwu, Anthony Amaechi Attama.  (2024)  Engineering 5-flourouracil and leucovorin-loaded vesicular systems for possible colon specific delivery: In vitro evaluation and real time cell assay against HCT-116 colon cell lines.  Heliyon,      [PMID:38655322] [10.1016/j.heliyon.2024.e28872]
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