2795-39-3
perfluorooctanesulfonic acid potassium salt
CAS: 2795-39-3
Molecular Formula: C8F17KO3S
2795-39-3 - Names and Identifiers
| Name | perfluorooctanesulfonic acid potassium salt |
| Synonyms | FC-80 FC-95 uorooctanesuL fonic acid potassium saL POTASSIUM PERFLUOROOCTANESULFONATE Potassium perfluorooctanesulfonate POTASSIUM PERFLUOROOCTANESULPHONATE Potassium perfluorooctanesulphonate Potasssium perfluorooctanesulphonate POTASSIUM PERFLUOROOCTANE-1-SULFONATE perfluorooctanesulfonic acid potassium salt potassium,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctane-1-sulfonate POTASSIUM 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-HEPTADECAFLUORO-1-OCTANESULFONATE potassium 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctane-1-sulfonate |
| CAS | 2795-39-3 |
| EINECS | 220-527-1 |
| InChI | InChI=1/C8HF17O3S.K/c9-1(10,3(13,14)5(17,18)7(21,22)23)2(11,12)4(15,16)6(19,20)8(24,25)29(26,27)28;/h(H,26,27,28);/q;+1/p-1 |
2795-39-3 - Physico-chemical Properties
| Molecular Formula | C8F17KO3S |
| Molar Mass | 538.22 |
| Density | 1.1 |
| Melting Point | 277-280°C(lit.) |
| Appearance | Powder |
| Color | white |
| BRN | 3864579 |
| Physical and Chemical Properties | Melting point 277-280°C |
2795-39-3 - Risk and Safety
| Risk Codes | R20/22 - Harmful by inhalation and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R22 - Harmful if swallowed R57 - Toxic to bees R64 - May cause harm to breast-fed babies R48/25 - R40 - Limited evidence of a carcinogenic effect R61 - May cause harm to the unborn child |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S53 - Avoid exposure - obtain special instructions before use. |
| UN IDs | UN 2811 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | RG9701850 |
| TSCA | Yes |
| HS Code | 29049090 |
| Hazard Note | Corrosive |
| Hazard Class | 6.1 |
2795-39-3 - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | this product is used as a chromium mist inhibitor. this product is quantitatively added during chromium plating, and a fine foam layer with a certain thickness is formed during electrolysis, which effectively inhibits the release of acid mist. Protect the environment and save chromic anhydride. sulfonamides antibacterial and anti-inflammatory drugs are used for the infection of staphylococci, streptococcus, pneumococcus and meningococcus; those who are allergic to sulfonamides and patients with severe liver and kidney should not be used; oral chromium mist inhibitor in electroplating, wetting agent and additive in fluoroprotein foam extinguishing agent this strain of perfluoroanionic surfactant |
| production method | anhydrous hydrogen fluoride is added into an electrolytic cell, and electrolytic drying is carried out at about 15V. when the current drops to a certain value, octyl sulfonic acid is added, the voltage is controlled to be 4-15V, the current intensity is 0.1-2A, and the temperature is 10-15 ℃, and electrochemical fluorination reaction is carried out. Regularly release reaction products from the bottom, and add raw materials until the plate is passivated. The reaction product is octyl sulfonate fluoride. Refined and standby. In the salt washing kettle, 95% ethanol and deionized water with the same volume as ethanol are added in advance, then a certain amount of potassium hydroxide and calcium oxide are added, and the temperature is raised to 70 ℃. Then, the metered amount of octyl sulfonate fluoride was added dropwise under stirring. When the pH value reaches 7, the reaction is terminated. Filter while hot. Remove the filter residue. The filtrate is cooled, crystallized, filtered, and dried as the finished product. |
Last Update：2024-04-10 22:29:15
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