1-Mercaptooctane
- CAS No.
- 111-88-6
- Chemical Name:
- 1-Mercaptooctane
- Synonyms
- 1-OCTANETHIOL;NOM;Octanethiol;Octane-1-thiol;N-OCTYL MERCAPTAN;1-Octylthiol;OCTYL MERCAPTAN;NOM(TM);n-Octyl m;Octylthiol
- CBNumber:
- CB6852856
- Molecular Formula:
- C8H18S
- Molecular Weight:
- 146.29
- MDL Number:
- MFCD00004912
- MOL File:
- 111-88-6.mol
- MSDS File:
- SDS
| Product description | Number | Pack Size | Price |
| 1-Octanethiol ≥98.5% | 471836 | 25ml | $47.4 |
| 1-Octanethiol for synthesis | 8.21861 | 100ML | $37.9 |
| 1-Octanethiol ≥98.5% | 471836 | 2l | $141 |
| 1-Octanethiol for synthesis | 8.21861 | 500ML | $83 |
| 1-Octanethiol >98.0%(GC) | O0025 | 25mL | $23 |
| More product size | |||
| Melting point | -49 °C |
|---|---|
| Boiling point | 197-200 °C (lit.) |
| Density | 0.843 g/mL at 25 °C (lit.) |
| vapor pressure | 0.3 hPa (20 °C) |
| refractive index |
n |
| Flash point | 55 °F |
| storage temp. | Store below +30°C. |
| solubility | 0.004g/l |
| pka | 10.55±0.10(Predicted) |
| form | Liquid |
| color | Clear colorless |
| Specific Gravity | 0.843 (20/4℃) |
| Odor | at 0.10%indipropylene glycol. sulfurous |
| Odor Threshold | 0.0016ppm |
| Water Solubility | Not miscible in water. |
| BRN | 1733101 |
| Henry's Law Constant | 7.1×10-4 mol/(m3Pa) at 25℃, Yaws et al. (2003) |
| Exposure limits | NIOSH: Ceiling 0.5 ppm(3.0 mg/m3) |
| Stability | Stable. Incompatible with strong acids, strong oxidizing agents, alkali metals. |
| InChI | 1S/C8H18S/c1-2-3-4-5-6-7-8-9/h9H,2-8H2,1H3 |
| InChIKey | KZCOBXFFBQJQHH-UHFFFAOYSA-N |
| SMILES | CCCCCCCCS |
| LogP | 4.21 at 20℃ |
| CAS DataBase Reference | 111-88-6(CAS DataBase Reference) |
| FDA UNII | 42GO2PA46L |
| NIST Chemistry Reference | 1-Octanethiol(111-88-6) |
| EPA Substance Registry System | 1-Octanethiol (111-88-6) |
| UNSPSC Code | 12352105 |
| NACRES | NA.23 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |     GHS02,GHS07,GHS08,GHS09 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H302+H312-H315-H319-H371-H373-H317-H335-H336-H410-H226 | |||||||||
| Precautionary statements | P501-P273-P272-P260-P270-P240-P210-P233-P243-P241-P242-P271-P264-P280-P370+P378-P391-P337+P313-P305+P351+P338-P308+P311-P362+P364-P303+P361+P353-P333+P313-P301+P312+P330-P304+P340+P312-P403+P233-P403+P235-P405 | |||||||||
| target organs | Respiratory system | |||||||||
| PPE | Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter | |||||||||
| Hazard Codes | F,N,Xn,Xi | |||||||||
| Risk Statements | 11-67-65-50/53-43-36/37-20-36/37/38 | |||||||||
| Safety Statements | 7-16-57-45-36/37/39-29-26 | |||||||||
| RIDADR | UN 1170 3/PG 2 | |||||||||
| OEL | Ceiling: 0.5 ppm (3.0 mg/m3) [15-minute] | |||||||||
| WGK Germany | 3 | |||||||||
| Autoignition Temperature | 240 °C | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 9 | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 29309070 | |||||||||
| Storage Class | 10 - Combustible liquids | |||||||||
| Hazard Classifications | Aquatic Acute 1 Aquatic Chronic 1 Skin Sens. 1 STOT SE 3 |
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| Hazardous Substances Data | 111-88-6(Hazardous Substances Data) | |||||||||
| Toxicity | LD50 orally in Rabbit: 2000 - 2450 mg/kg | |||||||||
| REACH Registrations | Active | |||||||||
| NFPA 704 |
|
1-Mercaptooctane price More Price(20)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 471836 | 1-Octanethiol ≥98.5% | 111-88-6 | 25ml | $47.4 | 2026-04-30 | Buy |
| Sigma-Aldrich | 8.21861 | 1-Octanethiol for synthesis | 111-88-6 | 100ML | $37.9 | 2026-04-30 | Buy |
| Sigma-Aldrich | 471836 | 1-Octanethiol ≥98.5% | 111-88-6 | 2l | $141 | 2026-04-30 | Buy |
| Sigma-Aldrich | 8.21861 | 1-Octanethiol for synthesis | 111-88-6 | 500ML | $83 | 2025-07-31 | Buy |
| TCI Chemical | O0025 | 1-Octanethiol >98.0%(GC) | 111-88-6 | 25mL | $23 | 2026-04-30 | Buy |
1-Mercaptooctane Chemical Properties,Uses,Production
Chemical Properties
colourless liquid
Uses
OT can be used as a sulfur precursor for the preparation of shell for CdSe/CdS quantum dots. It forms ligands that help in enhancing the power efficiency of hetero-junction nanorod sensitized solar cells as it enhances the electron extraction from the nanorod and TiO2 interface. OT based stabilized coating on copper nanoparticles (CuNPs) may be used in the dispersion of these colloidal particles in different sample solutions. It can be used to improve charge injection by creating a monolayer on gold source-drain electrode surfaces for bottom-contact thin-film transistors (TFTs).
Uses
1-Octanethiol can be used to improve charge injection by creating a monolayer of this material on gold source-drain electrode surfaces for bottom-contact thin-film transistors (TFTs).
Definition
ChEBI: Octane-1-thiol is an alkanethiol that is octane substituted by a thiol group at position 1.
Synthesis Reference(s)
The Journal of Organic Chemistry, 37, p. 1532, 1972 DOI: 10.1021/jo00975a015
Synthetic Communications, 25, p. 2655, 1995 DOI: 10.1080/00397919508011812
Tetrahedron Letters, 31, p. 1397, 1990 DOI: 10.1016/S0040-4039(00)88815-2
General Description
A clear colorless liquid. Flash point 115°F. Insoluble in water and less dense than water. Used to make other chemicals.
Air & Water Reactions
Flammable. Insoluble in water.
Reactivity Profile
1-Mercaptooctane is incompatible with the following: Oxidizers, reducing agents, strong acids & bases, alkali metals .
Health Hazard
TOXIC; may be fatal if inhaled, ingested or absorbed through skin. Inhalation or contact with some of these materials will irritate or burn skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.
Fire Hazard
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion and poison hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.
Purification Methods
Pass the thiol through a column of alumina and work under N2, or Ar. Distil it under N2 and a vacuum. Store it under N2, or Ar in the dark. [Battacharyya et al. J Chem Soc, Faraday Trans 1 82 135 1986, Fletcher J Am Chem Soc 68 2727 1946]. [Beilstein 1 III 1710, 1 IV 1767.]
1-Mercaptooctane Preparation Products And Raw materials
Raw materials
Preparation Products
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| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Hebei Chuanghai Biotechnology Co., Ltd | +8615350571055 | Sibel@chuanghaibio.com | China | 8738 | 58 |
| Hebei Yanxi Chemical Co., Ltd. | +8618531123677 | faithe@yan-xi.com | China | 5853 | 58 |
| Hebei Chuanghai Biotechnology Co,.LTD | +86-86-13131129325 +8613131129325 | sales1@chuanghaibio.com | China | 5220 | 58 |
| Hi-Tech Chemistry Corp | 0519-86626038 | yuhh@hitechem.com | CHINA | 810 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21585 | 55 |
| SHANDONG ZHI SHANG CHEMICAL CO.LTD | 0531-68652808 18953170293 | sales@sdzschem.com | China | 2921 | 58 |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49979 | 58 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | factory@coreychem.com | China | 29792 | 58 |
| Neostar United (Changzhou) Industrial Co., Ltd. | +86-0519-85551759 +8613506123987 | marketing1@neostarunited.com | China | 8828 | 58 |
| SIMAGCHEM CORP | +86-5922680277 +86-13806087780 | sale@simagchem.com | China | 17346 | 58 |
View Lastest Price from 1-Mercaptooctane manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-05-28 | 1-Mercaptooctane
111-88-6
|
$10.00 | 1KG | 95% | 10 ton | Hebei Chuanghai Biotechnology Co,.LTD | |
 |
2026-03-20 | 1-Mercaptooctane
111-88-6
|
$10.00 | 1KG | 99% | 10 mt | Hebei Chuanghai Biotechnology Co., Ltd | |
 |
2025-06-20 | 1-Mercaptooctane
111-88-6
|
$10.00-30.00 | 1kg | 0.99 | 10 tons | Hebei Yanxi Chemical Co., Ltd. |
-
- 1-Mercaptooctane
111-88-6
- $10.00
- 95%
- Hebei Chuanghai Biotechnology Co,.LTD
-
- 1-Mercaptooctane
111-88-6
- $10.00
- 99%
- Hebei Chuanghai Biotechnology Co., Ltd
-
- 1-Mercaptooctane
111-88-6
- $10.00-30.00
- 0.99
- Hebei Yanxi Chemical Co., Ltd.
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