Tris(trifluoromethyl)phosphane sulfide, also known as phosphorus trifluoride sulfide or PFS, is a chemical compound with the formula PF3S. It is a colorless, volatile, and highly toxic liquid at room temperature. PFS is a derivative of phosphorus trifluoride (PF3), where one fluorine atom is replaced by a sulfur atom. tris(trifluoromethyl)phosphane sulfide is primarily used as a reagent in the synthesis of various organophosphorus compounds, particularly in the production of pesticides and pharmaceuticals. Due to its high reactivity and toxicity, PFS requires careful handling and storage, and it is essential to follow proper safety protocols when working with this chemical.

2025-08-3

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Basic information
1. Product Name: tris(trifluoromethyl)phosphane sulfide
2. Synonyms: phosphorane, tris(trifluoromethyl)-, sulfide; Tris(trifluoromethyl)phosphine sulfide
3. CAS NO:2025-08-3
4. Molecular Formula: C₃F₉PS
5. Molecular Weight: 270.0565
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 19.7°C at 760 mmHg
3. Flash Point: N/A
4. Appearance: N/A
5. Density: 1.695g/cm³
6. Vapor Pressure: 916mmHg at 25°C
7. Refractive Index: 1.318
8. Storage Temp.: N/A
9. Solubility: N/A
10. CAS DataBase Reference: tris(trifluoromethyl)phosphane sulfide(CAS DataBase Reference)
11. NIST Chemistry Reference: tris(trifluoromethyl)phosphane sulfide(2025-08-3)
12. EPA Substance Registry System: tris(trifluoromethyl)phosphane sulfide(2025-08-3)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 2025-08-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 2025-08-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,2 and 5 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 2025-08:
(6*2)+(5*0)+(4*2)+(3*5)+(2*0)+(1*8)=43
43 % 10 = 3
So 2025-08-3 is a valid CAS Registry Number.

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