Tributylphosphine (CAS 998-40-3) — formula C12H27P, molecular weight 202.32; category organic chemicals.
Tributylphosphine (CAS 998-40-3) is a chemical raw material in the organic chemicals category. Its molecular formula C12H27P comprises 12 C, 27 H, 1 P atoms. Its molecular weight is about 202.32. Reported physicochemical data: boiling point around 240 °C @760 [mm Hg], LogP about 3.7. 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 | 998-40-3 |
|---|---|
| Molecular Formula | C12H27P |
| Molecular Weight | 202.32 |
| Boiling Point | 240 °C @760 [mm Hg] |
| LogP | 3.7 |
| Applications | polymerization cross-linking catalyst, organic intermediate, and as a catalyst component for hydrogenation in the petroleum industry, Petroleum Production and Refining, Intermediate, U.S. Production: 2023: 50 |
| Category | Organic Chemicals |
Documented applications: polymerization cross-linking catalyst, organic intermediate, and as a catalyst component for hydrogenation in the petroleum industry, Petroleum Production and Refining, Intermediate, U.S. Production: 2023: 50.
Tributylphosphine is a carbon-based organic compound with CAS registry number 998-40-3 and molecular formula C12H27P (molecular weight 202.32), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 998-40-3
Its molecular formula C12H27P comprises 12 C, 27 H, 1 P atoms.
Also known as: Tributylphosphine · 三丁基膦 · Tri-n-butylphosphine
Category: organic chemicals
The CAS registry number of Tributylphosphine is 998-40-3.
Molecular formula C12H27P, molecular weight 202.32.
It is also registered under: Tributylphosphine, 三丁基膦, Tri-n-butylphosphine.
Recorded applications: polymerization cross-linking catalyst, organic intermediate, and as a catalyst component for hydrogenation in the petroleum industry, Petroleum Production and Refining, Intermediate, U.S. Production: 2023: 50.
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 Tributylphosphine (CAS 998-40-3), compiled from public chemistry databases.
| CAS Registry Number | 998-40-3 |
|---|---|
| PubChem CID | 13831 |
| Molecular formula | C12H27P |
| IUPAC name | tributylphosphane |
| UNII (FDA) | 0O52FJR7WN |
| Molecular Weight | 202.32 |
|---|---|
| XLogP3 | 3.7 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 9 |
| Exact Mass | 202.185037859 |
| Monoisotopic Mass | 202.185037859 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 13 |
| Boiling Point | 240 °C @760 [mm Hg] |
|---|---|
| Density | 0.812 @25 °C |
| Vapor Pressure | 16 [mm Hg] @121 °C |
Tributylphosphine; Tributylphosphane; Tri-n-butylphosphine; 998-40-3; Phosphine, tributyl-; Tris(butyl)phosphine; Tributylfosfin; DTXSID9046998; 0O52FJR7WN; UN3254; NSC-91700; DTXCID7026998; RefChem:190921; 213-651-2; tributyl phosphine; Tri-n-butyl phosphine
| Reported hazard statements | H226 (15.7%), H250 (100%), H251 (12.9%), H302 (100%), H312 (64.5%), H314 (100%), H318 (48.8%), H411 (72.1%) |
|---|
H226 (15.7%): Flammable liquid and vapor [Warning Flammable liquids]
H250 (100%): Catches fire spontaneously if exposed to air [Danger Pyrophoric liquids]
Tri-n-butylphosphine · CAS 998-40-3 · C12H27P. UNII 0O52FJR7WN. Boiling Point: 240 °C @760 [mm Hg]; Density: 0.812 @25 °C; Vapor Pressure: 16 [mm Hg] @121 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 三丁基膦