Perfluorooctane sulfonic anhydride (PFOS) is a synthetic chemical compound characterized by its highly fluorinated structure, which gives it unique properties such as water and oil repellency, thermal stability, and resistance to degradation. It has been widely used in various industrial applications, including the production of fire-fighting foams, non-stick coatings, and stain-resistant fabrics. However, due to its persistence in the environment and potential health risks, PFOS has been identified as a contaminant of global concern. As a result, its production and use have been significantly restricted or banned in many countries under international agreements like the Stockholm Convention on Persistent Organic Pollutants.

423-92-7

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Basic information
1. Product Name: Perfluorooctane sulfonic anhydride
2. Synonyms: SCHEMBL8108242;Perfluorooctane sulfonic anhydride;(C8F17SO2)2O;WQQCHTKIDMXIIM-UHFFFAOYSA-N;DTXSID401032915;423-92-7
3. CAS NO:423-92-7
4. Molecular Formula: C8F17SO2OSO2C8F17
5. Molecular Weight: 982.2
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Perfluorooctane sulfonic anhydride(CAS DataBase Reference)
10. NIST Chemistry Reference: Perfluorooctane sulfonic anhydride(423-92-7)
11. EPA Substance Registry System: Perfluorooctane sulfonic anhydride(423-92-7)
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: 423-92-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 423-92-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,2 and 3 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 423-92:
(5*4)+(4*2)+(3*3)+(2*9)+(1*2)=57
57 % 10 = 7
So 423-92-7 is a valid CAS Registry Number.

423-92-7Upstream product

423-92-7Downstream Products

355-53-3 heptadecafluoro-octane-1-sulfonic acid p-toluidide

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