Span® 20 - for synthesis , CAS No.1338-39-2

CAS: 1338-39-2 Cat. No.: S1372587 Beilstein Registry Number: 8355657 EC Number: 215-663-3
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GRADE & PURITY for Synthesis ? Synthesis grade — practical purity for chemical synthesis and preparative work. Use as a cost-effective reagent when analytical purity isn't required.
Synonyms
Sorbitan monolaurate | Sorbitan monododecanoate
Storage
Room temperature
Shipped In
Normal
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Size
Status
Price
Qty
100g
S1372587-100g
3
$19.90
500g
S1372587-500g
3
$75.90
Enter a quantity for the sizes you want to add.
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Why this grade

for synthesis for Synthesis 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 27 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Sorbitan monolaurate | Sorbitan monododecanoate
Specifications & Purity
for synthesis
Legal Information
Span is a registered trademark of Croda International PLC
Storage
Room temperature
Shipped In
Normal
Grade
for Synthesis
Names and Identifiers
Canonical SmilesCCCCCCCCCCCC(=O)OCC(C1C(C(CO1)O)O)O
IUPAC Name[2-[(2R,3R,4S)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] dodecanoate
InChIKeyLWZFANDGMFTDAV-WYDSMHRWSA-N
INCHI1S/C18H34O6/c1-2-3-4-5-6-7-8-9-10-11-16(21)23-13-15(20)18-17(22)14(19)12-24-18/h14-15,17-20,22H,2-13H2,1H3/t14-,15?,17+,18+/m0/s1
Isomeric SMILES CCCCCCCCCCCC(=O)OCC([C@@H]1[C@@H]([C@H](CO1)O)O)O
WGK Germany 1
RTECS WG2920000
Beilstein 8355657
Reaxy-Rn 11323087
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=11323087&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.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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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 Oxolanes  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 - Oxolane - 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.

5 results found

Lot NumberCertificate TypeDateItem
A2621114Certificate of AnalysisJun 25, 2025 S1372587
A2621155Certificate of AnalysisJun 25, 2025 S1372587
G2523575Certificate of AnalysisJun 25, 2025 S1372587
G2523581Certificate of AnalysisJun 25, 2025 S1372587
G2523582Certificate of AnalysisJun 25, 2025 S1372587
Chemical and Physical Properties
Flash Point(°F)113 °C
Flash Point(°C)113°C
Molecular Weight346.500 g/mol
XLogP33.700
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count6
Rotatable Bond Count14
Exact Mass346.236 Da
Monoisotopic Mass346.236 Da
Topological Polar Surface Area96.200 Ų
Heavy Atom Count24
Formal Charge0
Complexity335.000
Isotope Atom Count0
Defined Atom Stereocenter Count3
Undefined Atom Stereocenter Count1
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. 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]
2. Zhiyi Zang, Yongkang Wang, Wei Liu, Congcong Chao, Guanghui Cui, Shaojun Wu, Zhanpeng Wu.  (2025)  Amphiphilic Polyphosphazene-Stabilized High Internal Phase Emulsions toward Porous Polymers with Designed Hydrophilicity and Hydrophobicity for Selective Adsorption of Water and Oil.  LANGMUIR,      [PMID:40990335] [10.1021/acs.langmuir.5c02759]
3. Yajie Ding, Nianxiang Qiu, Jianqiang Wang, Zhe Yang, Fu Liu, Chuyang Y. Tang.  (2023)  Oil-water receiving membrane with sub-10 nm surfactant layer for long-lasting oil-water separation.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2023.121820]
4. Zihao Meng, Jian Wu, Qingyun Li, Youyan Liu, Aixing Tang.  (2023)  Effective immobilization of candida cylindracea lipase on surfactant-modified bentonite.  MOLECULAR CRYSTALS AND LIQUID CRYSTALS,      [PMID:] [10.1080/15421406.2022.2096553]
5. Fan Xiao, Kai Li, Wei Wang, Yuntong Ge, Zhipeng Yu, Zeheng Peng, Yingming Liu, Jing Gong.  (2023)  Effect of Oil-Soluble/Water-Soluble Surfactants on the Stability of Water-in-Oil Systems, an Atomic Force Microscopy Study.  LANGMUIR,      [PMID:36908066] [10.1021/acs.langmuir.2c02992]
6. Danping Yuan, Fukui Xiao, Ning Zhao, Cunbao Deng, Xin Huang, Hao Zhang, Qianmin Yang, Yonggang Qiao.  (2023)  Mesoporous poly(ionic liquid) solid acid for sequential dehydration of sorbitol to isosorbide.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2023.141780]
7. Yuanxing Ning, Minghui Yao, Yuxing Li, Guangchun Song, Zhiming Liu, Qingping Li, Haiyuan Yao, Wuchang Wang.  (2022)  Integrated investigation on the nucleation and growing process of hydrate in W/O emulsion containing asphaltene.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2022.140389]
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9. Minhua Li, Xue Dong, Tieling Xing, Guoqiang Chen.  (2022)  Anti-Wrinkle and Dyeing Properties of Silk Fabric Finished with 2,4,6-Trichloropyrimidine.  Polymers,  14  (16): (3332).  [PMID:36015590] [10.3390/polym14163332]
10. Linghui Zou, Wenya Ding, Qiuyan Huang, Xu Yang, Jilang Li, Tianyan Huang, Zeyu Li, Si Lin, Jianfang Feng.  (2022)  Andrographolide/Phospholipid/Cyclodextrin Complex-Loaded Nanoemulsion: Preparation, Optimization, in Vitro and in Vivo Evaluation.  BIOLOGICAL & PHARMACEUTICAL BULLETIN,  45  (8): (1106-1115).  [PMID:35598976] [10.1248/bpb.b22-00154]
11. 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]
12. Huihui Huang, Yuqing Sun, Lele Cui, Yingxiang Ni, Shilong Li, Weihong Xing, Wenheng Jing.  (2020)  Generation of Monodisperse Submicron Water-in-Diesel Emulsions via a Hydrophobic MXene-Modified Ceramic Membrane.  INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,      [PMID:] [10.1021/acs.iecr.0c03837]
13. Xue Dong, Tieling Xing, Guoqiang Chen.  (2020)  Improving the Anti-Pilling Performance of Cellulose Fiber Blended Knitted Fabrics with 2,4,6-Trichloropyrimidine Treatment.  Coatings,  10  (10): (969).  [PMID:] [10.3390/coatings10100969]
14. Jiayuan Wang, Wenqi Cao, Lingyu Zhu, Jianli Wang, Richard Lakerveld.  (2020)  Emulsion-assisted cooling crystallization of ibuprofen.  CHEMICAL ENGINEERING SCIENCE,      [PMID:] [10.1016/j.ces.2020.115861]
15. Shikang Meng, Lin Sun, Lun Wang, Zibei Lin, Zeyu Liu, Long Xi, Zhenping Wang, Ying Zheng.  (2019)  Loading of water-insoluble celastrol into niosome hydrogels for improved topical permeation and anti-psoriasis activity.  COLLOIDS AND SURFACES B-BIOINTERFACES,      [PMID:31306831] [10.1016/j.colsurfb.2019.110352]
16. Wei Li, Gang Wu, Jinhui Tan, Xufeng Yu, Gang Sun, Bo You.  (2019)  Transparent Surfactant/Epoxy Composite Coatings with Self-Healing and Superhydrophilic Properties.  MACROMOLECULAR MATERIALS AND ENGINEERING,  304  (7): (1800765).  [PMID:] [10.1002/mame.201800765]
17. Xiyao Zhang, Jianlei Niu, Jian-Yong Wu.  (2019)  Development and characterization of novel and stable silicon nanoparticles-embedded PCM-in-water emulsions for thermal energy storage.  APPLIED ENERGY,      [PMID:] [10.1016/j.apenergy.2019.01.159]
18. Xin Sun, Chunying Zhu, Taotao Fu, Youguang Ma, Huai Z. Li.  (2018)  Dynamics of droplet breakup and formation of satellite droplets in a microfluidic T-junction.  CHEMICAL ENGINEERING SCIENCE,      [PMID:] [10.1016/j.ces.2018.05.027]
19. Dong Dong, Enxi Quan, Xue Yuan, Qian Xie, Zhijie Li, Baojian Wu.  (2016)  Sodium Oleate-Based Nanoemulsion Enhances Oral Absorption of Chrysin through Inhibition of UGT-Mediated Metabolism.  MOLECULAR PHARMACEUTICS,      [PMID:27983856] [10.1021/acs.molpharmaceut.6b00851]
20. Zonghao Wang, Yanyan Nie, Peiyuan Shang, Zheng Chen, Bin Cheng.  (2024)  Chemical stability of sorbitan monolaurate under highly oxidative electrochemical environments.  CHEMICAL PAPERS,      [PMID:] [10.1007/s11696-024-03388-4]
21. Sisi Yuan, Xiujun Wang, Yongjun Wang, Ming Duan, Yan Xiong, Shenwen Fang.  (2024)  Comparative study on the performance and properties of polyether and polyacrylate crude oil demulsifier.  SEPARATION SCIENCE AND TECHNOLOGY,      [PMID:] [10.1080/01496395.2024.2328671]
22. Xiao-Fang Lv, Xing-Ya Ni, Yan-Yun Xiao, Yang Liu, Ming-Guo Peng, Qian-Li Ma, Chuan-Shuo Wang, Shi-dong Zhou, Shang-Fei Song.  (2024)  Experimental study on gas separation from the oil–water-emulsion mixture via hydrate method.  CHEMICAL ENGINEERING SCIENCE,      [PMID:] [10.1016/j.ces.2024.120198]
23. Yuqing Sun, Chenye Dai, Jian Lu, Yapeng Zhu, Yingxuan Deng, Xianyin Cai, Dong Zou, Wenheng Jing.  (2024)  In-situ thermally induced formation of an ultra-glossy hydrophilic surface for oil fouling prevention in TiO2@MXene membranes.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2024.130599]
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