1,3-dimercaptopropane (CAS 109-80-8) — formula C3H8S2, molecular weight 108.23; category organic chemicals.
1,3-dimercaptopropane (CAS 109-80-8) is a chemical raw material in the organic chemicals category. Its molecular formula C3H8S2 comprises 3 C, 8 H, 2 S atoms. Its molecular weight is about 108.23. Reported physicochemical data: melting point around -110 °F (NTP, 1992), boiling point around 336 °F at 760 mmHg (NTP, 1992), LogP about 1.2. 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 | 109-80-8 |
|---|---|
| Molecular Formula | C3H8S2 |
| Molecular Weight | 108.23 |
| Melting Point | -110 °F (NTP, 1992) |
| Boiling Point | 336 °F at 760 mmHg (NTP, 1992) |
| LogP | 1.2 |
| Packaging | 25/50kg woven bags, 20/25/50kg fibre drums, 200kg plastic drums, 1000kg IBC (subject to order confirmation) |
| Applications | 典型应用领域：食品增香, 日化。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥, 密封保存 |
| Category | Organic Chemicals |
Documented applications: 典型应用领域：食品增香, 日化。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥, 密封保存.
1,3-dimercaptopropane is a carbon-based organic compound with CAS registry number 109-80-8 and molecular formula C3H8S2 (molecular weight 108.23), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 109-80-8
Its molecular formula C3H8S2 comprises 3 C, 8 H, 2 S atoms.
Also known as: 1,3-dimercaptopropane · 1,3-丙二硫醇 · 1,3-Propanedithiol
Category: organic chemicals
The CAS registry number of 1,3-dimercaptopropane is 109-80-8.
Molecular formula C3H8S2, molecular weight 108.23.
It is also registered under: 1,3-dimercaptopropane, 1,3-丙二硫醇, 1,3-Propanedithiol.
Recorded applications: 典型应用领域：食品增香, 日化。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥, 密封保存.
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 1,3-dimercaptopropane (CAS 109-80-8), compiled from public chemistry databases.
| CAS Registry Number | 109-80-8 |
|---|---|
| PubChem CID | 8013 |
| Molecular formula | C3H8S2 |
| Molecular weight | 108.01 g/mol |
| IUPAC name | propane-1,3-dithiol |
| InChIKey | ZJLMKPKYJBQJNH-UHFFFAOYSA-N |
| UNII (FDA) | R4LUJ82U52 |
| ChEBI ID | CHEBI:44864 |
| FEMA number | 3588 |
| JECFA number | 535 |
| Molecular Weight | 108.23 |
|---|---|
| XLogP3 | 1.2 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 2 |
| Exact Mass | 108.00674260 |
| Monoisotopic Mass | 108.00674260 |
| Topological Polar Surface Area | 2 |
| Heavy Atom Count | 5 |
| Boiling Point | 336 °F at 760 mmHg (NTP, 1992) |
|---|---|
| Boiling Point | 169.00 to 173.00 °C. @ 760.00 mm Hg |
| Boiling Point | 169-173 °C; 105 °C (100 mm Hg); 63 °C (15 mm Hg) |
| Melting Point | -110 °F (NTP, 1992) |
| Melting Point | -79 °C |
| Flash Point | 138 °F (NTP, 1992) |
| Density | 1.077-1.078 (d20/4) |
| Vapor Pressure | 22.8 [mmHg] |
| Refractive Index | 1.537-1.539 |
1,3-Propanedithiol; Propane-1,3-dithiol; 109-80-8; 1,3-DIMERCAPTOPROPANE; Trimethylene dimercaptan; Dithiotrimethyleneglycol; Trimethylenedithiol; Trimethylenedithioglycol; 1,3-Propanedimercaptan; 1,3-propane dithiol; FEMA No. 3588; R4LUJ82U52; 1,3-TRIMETHYLENEDITHIOL; DTXSID0059376; CHEBI:44864; RefChem:72944
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Savory No safety concern at current levels of intake when used as a flavouring agent |
|---|---|
| GHS notification summary | 7.1% (11 / 154) |
| GHS notification summary | 7.1% (11 / 154) |
|---|---|
| Reported hazard statements | H302 (16.9%), H315 (85.7%), H319 (83.8%), H335 (83.1%) |
This chemical does not meet GHS hazard criteria for 7.1% (11 of 154) of reports.
H302 (16.9%): Harmful if swallowed [Warning Acute toxicity, oral]
1,3-Propanedithiol is identified by CAS 109-80-8, molecular formula C3H8S2 and molecular weight 108.01 g/mol. UNII R4LUJ82U52; ChEBI 44864; InChIKey ZJLMKPKYJBQJNH-UHFFFAOYSA-N. Boiling Point: 336 °F at 760 mmHg (NTP, 1992); Boiling Point: 169.00 to 173.00 °C. @ 760.00 mm Hg; Boiling Point: 169-173 °C; 105 °C (100 mm Hg); 63 °C (15 mm Hg).
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 1,3-丙二硫醇