A4299820
Sodium octyl sulfate , Ion to chromatography, ≥99% , 142-31-4
Synonym(s):
Octyl sodium sulfate;Octyl sulfate sodium salt;Sodium capryl sulfate;Sodium octyl sulfate;SOS
CAS NO.：142-31-4
Empirical Formula: C8H17NaO4S
Molecular Weight: 232.27
MDL number: MFCD00007470
EINECS: 205-535-5
| Pack Size | Price | Stock | Quantity |
| 1g | RMB319.20 | In Stock |
|
| 5g | RMB1119.20 | In Stock |
|
| 25g | RMB6895.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 195 °C (dec.) (lit.) |
| bulk density | 470kg/m3 |
| Density | 1.04 |
| vapor density | 8 (vs air) |
| vapor pressure | 0.31Pa at 20℃ |
| Flash point: | 93.3°C |
| storage temp. | no restrictions. |
| solubility | H2O: soluble20mg/mL |
| form | Coarse Powder |
| color | White |
| Odor | Characteristic odour |
| PH | 6-8 (10g/l, H2O, 20℃) |
| Water Solubility | soluble |
| λmax | λ: 210 nm Amax: 0.1 λ: 220 nm Amax: 0.06 λ: 230 nm Amax: 0.04 λ: 260 nm Amax: 0.02 λ: 500 nm Amax: 0.02 |
| BRN | 3658635 |
| Stability: | Stable. Incompatible with oxidizing agents. |
| Cosmetics Ingredients Functions | SURFACTANT - HYDROTROPE SURFACTANT - CLEANSING VISCOSITY CONTROLLING |
| InChI | 1S/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 |
| SMILES | [Na+].CCCCCCCCOS([O-])(=O)=O |
| LogP | 3.269 (est) |
| CAS DataBase Reference | 142-31-4(CAS DataBase Reference) |
| EPA Substance Registry System | Sodium octyl sulfate (142-31-4) |
Description and Uses
Sodium octyl sulfate (SOS) may be used as an ion-pairing reagent:
- For the retention of catechols in reversed-phase high-performance liquid chromatography of catecholamines and their congeners.
- For the separation of asymmetric dimethylhydrazine (ADMH) and its decomposition products using ion-pair chromatography.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335-H303 |
| Precautionary statements | P280a-P304+P340-P405-P501a-P261-P305+P351+P338 |
| PPE | dust mask type N95 (US), Eyeshields, Gloves |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36-37/39 |
| WGK Germany | 2 |
| RTECS | WT1175000 |
| TSCA | TSCA listed |
| HS Code | 29209010 |
| Storage Class | 11 - Combustible Solids |
| Toxicity | LD50 orally in Rabbit: 3200 mg/kg |
