Octanethiol (CAS 31511-35-0) — formula C8H18S, molecular weight 146.30; category organic chemicals.
Octanethiol (CAS 31511-35-0) is a chemical raw material in the organic chemicals category. Its molecular formula C8H18S comprises 8 C, 18 H, 1 S atoms. Its molecular weight is about 146.30. Reported physicochemical data: melting point around -74 °C, boiling point around 154-166 °C, LogP about 3.2. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 31511-35-0 |
|---|---|
| Molecular Formula | C8H18S |
| Molecular Weight | 146.30 |
| Melting Point | -74 °C |
| Boiling Point | 154-166 °C |
| LogP | 3.2 |
| Applications | lubricant additive and polymer modifier, Polymer modification, lubricant additive, Methods of Manufacturing: Thiols can be prepared by a variety of methods. The most-utilized of these synthetic methods for tertiary and secondary thiols is acid-catalyzed synthesis, for normal and secondary thiols, the most-utilized methods are free-radical-initiated |
| Category | Organic Chemicals |
Documented applications: lubricant additive and polymer modifier, Polymer modification, lubricant additive, Methods of Manufacturing: Thiols can be prepared by a variety of methods. The most-utilized of these synthetic methods for tertiary and secondary thiols is acid-catalyzed synthesis, for normal and secondary thiols, the most-utilized methods are free-radical-initiated.
Octanethiol is a carbon-based organic compound with CAS registry number 31511-35-0 and molecular formula C8H18S (molecular weight 146.30), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 31511-35-0
Its molecular formula C8H18S comprises 8 C, 18 H, 1 S atoms.
Also known as: Octanethiol · 辛硫醇
Category: organic chemicals
The CAS registry number of Octanethiol is 31511-35-0.
Molecular formula C8H18S, molecular weight 146.30.
It is also registered under: Octanethiol, 辛硫醇.
Recorded applications: lubricant additive and polymer modifier, Polymer modification, lubricant additive, Methods of Manufacturing: Thiols can be prepared by a variety of methods. The most-utilized of these synthetic methods for tertiary and secondary thiols is acid-catalyzed synthesis, for normal and secondary thiols, the most-utilized methods are free-radical-initiated.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Octanethiol (CAS 31511-35-0), compiled from public chemistry databases.
| CAS Registry Number | 31511-35-0 |
|---|---|
| PubChem CID | 8851 |
| Molecular formula | C8H18S |
| IUPAC name | 2,4,4-trimethylpentane-2-thiol |
| UNII (FDA) | K908VW4U2S |
| Molecular Weight | 146.30 |
|---|---|
| XLogP3 | 3.2 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 2 |
| Exact Mass | 146.11292175 |
| Monoisotopic Mass | 146.11292175 |
| Topological Polar Surface Area | 1 |
| Heavy Atom Count | 9 |
| Boiling Point | 154-166 °C |
|---|---|
| Boiling Point | 155 °C |
| Melting Point | -74 °C |
| Flash Point | 115 °F (46 °C) (Open cup) |
| Flash Point | 46 °C o.c. |
| Density | 0.848 at 15.5 °C |
| Density | 0.848 @ 15.5°C |
| Vapor Density | 5.0 (Air = 1) |
| Vapor Pressure | 4.93 [mmHg] |
| Vapor Pressure | 5.2 [mm Hg] @25 °C |
tert-Octyl mercaptan; tert-Octanethiol; 2,4,4-Trimethyl-2-pentanethiol; 2,4,4-Trimethylpentane-2-thiol; T-OCTYL MERCAPTAN; 2-Pentanethiol, 2,4,4-trimethyl-; T-octanethiol; HSDB 6319; EINECS 205-490-1; UNII-K908VW4U2S; BRN 1732867; TERT-OCTYLTHIOL; UN3023; DTXSID9059707; T-OCTYL MERCAPTAN [HSDB]; 2,4,4-Trimethyl-pentan-2-thiol
| Reported hazard statements | H226 (100%), H301 (99.8%), H312 (100%), H330 (100%) |
|---|
H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]
H301 (99.8%): Toxic if swallowed [Danger Acute toxicity, oral]
Octanethiol · CAS 31511-35-0 · C8H18S. UNII K908VW4U2S. Boiling Point: 154-166 °C; Boiling Point: 155 °C; Melting Point: -74 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 辛硫醇