| Name | Sodium octyl sulfate |
| Synonyms | SOS sipexols duponol80 cyclorylos Sodium octyl sulfate 1-OCTYLSODIUMSULFONATE N-OCTYL-SODIUMSULPHATE S8 ION PAIR CONCENTRATE ISOOCTYL SODIUM SULFATE |
| CAS | 142-31-4 |
| EINECS | 205-535-5 |
| InChI | InChI=1/C8H18O4S.Na/c1-2-3-4-5-6-7-8-12-13(9,10)11;/h2-8H2,1H3,(H,9,10,11);/q;+1/p-1 |
| InChIKey | WFRKJMRGXGWHBM-UHFFFAOYSA-M |
| Molecular Formula | C8H17NaO4S |
| Molar Mass | 232.27 |
| Density | 1.04 |
| Melting Point | 195 °C (dec.) (lit.) |
| Flash Point | 93.3°C |
| Water Solubility | soluble |
| Solubility | H2O: soluble20mg/mL |
| Vapor Presure | 0.31Pa at 20℃ |
| Vapor Density | 8 (vs air) |
| Appearance | Liquid |
| Color | White |
| Odor | Characteristic odour |
| Maximum wavelength(λmax) | ['λ: 210 nm Amax: 0.1', , 'λ: 220 nm Amax: 0.06', , 'λ: 230 nm Amax: 0.04', , 'λ: 260 |
| BRN | 3658635 |
| PH | 6-8 (10g/l, H2O, 20℃) |
| Storage Condition | no restrictions. |
| Stability | Stable. Incompatible with oxidizing agents. |
| MDL | MFCD00007470 |
| Use | Used as a surfactant |
| Hazard Symbols | Xi - Irritant![]() |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 2 |
| RTECS | WT1175000 |
| TSCA | Yes |
| HS Code | 29209010 |
| Toxicity | LD50 orally in Rabbit: 3200 mg/kg |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | as surfactant |