11-Mercaptoundecanoic acid
- CAS No.
- 71310-21-9
- Chemical Name:
- 11-Mercaptoundecanoic acid
- Synonyms
- MUDA;MUNDA;MUA,MUDA;NANOTHINKS ACID11;nanothinkstm acid11;NANOTHINKS(R) ACID11;11-Mercandecanoic acid;10-Carboxy-1-Decanethiol;11-sulfanylundecanoicaci;10-Caroboxy-1-decanethiol
- CBNumber:
- CB3388235
- Molecular Formula:
- C11H22O2S
- Molecular Weight:
- 218.36
- MDL Number:
- MFCD00022096
- MOL File:
- 71310-21-9.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Melting point | 46-50 °C (lit.) |
|---|---|
| Boiling point | 159 °C(Press: 1 Torr) |
| Density | 0.998±0.06 g/cm3(Predicted) |
| Flash point | 110 °C |
| storage temp. | 2-8°C |
| solubility | Chloroform (Sparingly), Methanol (Slightly) |
| pka | 4.78±0.10(Predicted) |
| form | Solid |
| color | White to Off-White |
| InChI | InChI=1S/C11H22O2S/c12-11(13)9-7-5-3-1-2-4-6-8-10-14/h14H,1-10H2,(H,12,13) |
| InChIKey | GWOLZNVIRIHJHB-UHFFFAOYSA-N |
| SMILES | C(O)(=O)CCCCCCCCCCS |
| UNSPSC Code | 12352103 |
| NACRES | NA.23 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 |
| target organs | Respiratory system |
| PPE | dust mask type N95 (US), Eyeshields, Gloves |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26 |
| RIDADR | UN 3335 |
| WGK Germany | 3 |
| HS Code | 29309090 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
11-Mercaptoundecanoic acid price More Price(50)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 450561 | 11-Mercaptoundecanoic acid 95% | 71310-21-9 | 5g | $105 | 2026-04-30 | Buy |
| Sigma-Aldrich | 450561 | 11-Mercaptoundecanoic acid 95% | 71310-21-9 | 25g | $400 | 2026-04-30 | Buy |
| TCI Chemical | M3438 | 11-Mercaptoundecanoic Acid | 71310-21-9 | 200MG | $57 | 2026-04-30 | Buy |
| TCI Chemical | M3438 | 11-Mercaptoundecanoic Acid | 71310-21-9 | 1G | $170 | 2026-04-30 | Buy |
| Usbiological | 283339 | 11-Mercaptoundecanoic acid Asreported | 71310-21-9 | 10g | $418 | 2026-06-03 | Buy |
11-Mercaptoundecanoic acid Chemical Properties, Uses, Production
Chemical Properties
White to light yellow solid
Uses
MUA is used for the carboxylic acid functionalization of 1-dodecanethiol-protected gold nanoparticles (AuNPs) by Murray place-displacement reaction generally utilized in biomedical applications. It can also be used to modify the surface of platinum nanoparticles (PtNPs) by creating a ligand nano-assembly with a high surface coverage for use in surface-enhanced Raman spectroscopy (SERS). A single cell biochip platform can be developed utilizing a cell attachment technique with MUA forming a SAM that was attached to single cells. MUA may be used to prepare a tetrafluorophenyl-activated ester self-assembled monolayer to immobilize amine-modified oligonucleotides and DNA. It is also used to create 3D-assembled gold nanostructures for plasmonic biosensors.
Uses
MUA as a self-assembled monolayer (SAM) is used as a microfluidic integrated surface plasmon resonance (SPR) for detection and quantification of bacteria in medical diagnostics. It is also used to bio-functionalize the screen printed gold electrodes (SPGEs) that are used for the detection and quantification of dengue. It also forms monolayers on gold nanoparticles (AuNPs) attached via thiol groups. MUA incorporated AuNPs exhibit excellent fluorescence properties which may be used for metal ion detection in serum samples.
General Description
11-mercaptoundecanoic acid (MUA) has long alkane chains and carboxyl containing thiols that are highly packed and form a self-assembled monolayer (SAM). It modifies the surface of nanoparticles to facilitate their dispersion into water and solvent based mediums.
11-Mercaptoundecanoic acid Preparation Products And Raw materials
Raw materials
1of4
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Chongqing Xingcan Pharmaceutical Technology Co., Ltd. | 13594048950 19923294409 | xingcanyaoye@sina.com | China | 1590 | 58 |
| SHAANXI?DIDEU?MEDICHEM CO.LTD | 17691182729 17392216275 | 1073@dideu.com | China | 9993 | 58 |
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Beijing HwrkChemical Technology Co., Ltd | 89508211 18501085097 | sales.bj@hwrkchemical.com | China | 9407 | 55 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44850 | 61 |
| Nanjing Chemlin Chemical Co., Ltd | 025-83697070 13770331960 | info@chemlin.com.cn | China | 16306 | 64 |
| Syntechem Co.,Ltd | info@syntechem.com | China | 12973 | 57 | |
| Sinopharm Chemical Reagent Co,Ltd. | 86-21-63210123 | sj_scrc@sinopharm.com | China | 9791 | 79 |
| ShangHai YuanYe Biotechnology Co., Ltd. | 15026964105 | shyysw007@163.com | China | 4998 | 60 |
| Shanghai Aladdin Bio-Chem Technology Co.,LTD | 400-6206333 13167063860 | anhua.mao@aladdin-e.com | China | 29977 | 65 |
View Latest Price from 11-Mercaptoundecanoic acid manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-08-25 | 11-Mercaptoundecanoic acid
71310-21-9
|
$2.20-8.80 | 1kg | 99% | 100kg | ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD | |
![]() |
2026-08-07 | 11-MERCAPTOUNDECANOIC ACID
71310-21-9
|
$1.00-4.00 | 1KG | 99% | 200000KG | Shaanxi Dideu Medichem Co. Ltd | |
![]() |
2026-06-30 | 11-MERCAPTOUNDECANOIC ACID
71310-21-9
|
1kg | 98% | 1000kg | Shaanxi Dideu New Materials Co. Ltd |
-

- 11-Mercaptoundecanoic acid
71310-21-9
- $2.20-8.80
- 99%
- ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
-

- 11-MERCAPTOUNDECANOIC ACID
71310-21-9
- $1.00-4.00
- 99%
- Shaanxi Dideu Medichem Co. Ltd
-

- 11-MERCAPTOUNDECANOIC ACID
71310-21-9
- $0.00
- 98%
- Shaanxi Dideu New Materials Co. Ltd







