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Heavy alkyl benzene sulfonate DM-DBS
Specifications
| Product description: Sodium heavy alkyl benzene sulfonate is a kind of anionic surfactant, which consists of two parts of hydrophilic group and hydrophobic group. Because of its strong lipophilicity, it can better blend with the crude oil and form an ultra-low interfacial tension at the oil-water interface. | |||||
| Item | Index | ||||
| Appearance | Brownish black mobile liquid (20℃) | ||||
| pH value | 7.0- -9.0 | ||||
| Dissolution time, min | ≤10 | ||||
| Solid content, % | ≥40 | ||||
| Organochlorine content, % | 0.0 | ||||
| Static adsorption, mg/g sand | Adsorption≤2 | ||||
| Compatibility with polymers, % | Viscosity retention rate≥80 | ||||
Packing & Storage
| Packing | Packed in 200L leather drum, 200 kg/drum | |||||||
| Storage | Store in a sealed, cool, dry and dark place. | |||||||
| Shipping | Room temperature in continental US; may vary elsewhere | |||||||
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General Information
Chemical & Physical Information
Safety Information
Synthetic Route
Chemical & Physical Information
| Common Names | Heavy alkyl benzene sulfonate DM-DBS，Sodium alkylbenzene sulfonate | ||||||
| Structure |  C17H27NaO3S | ||||||
| CAS No. | 68411-30-3 | Boiling Point (℃) | 444℃[at 101 325 Pa] | ||||
| Molecular Weight | 334.449 | Melting Point (℃) | N/A | ||||
| Appearance | brown to black viscous liquid | Density | 0.776[at 20℃] | ||||
| HS Code | 34021140 | Flash Point (℃) | N/A | ||||
| Solubility | N/A | LogP | 5.7448 | ||||
Safety Information
| Safety Phrases | N/A | |
| RIDADR | N/A | |
| WGK Germany | N/A | |
| Packaging Group | N/A | |
| Hazard Class | N/A | |
| SYMPTOMS | PREVENTION | FIRST AID | |
| Inhalation | Cough. Sore throat. | Use local exhaust or breathing protection. | Fresh air, rest. |
| Skin | Redness. Burning sensation. Itching. | Protective gloves. | Remove contaminated clothes. Rinse and then wash skin with water and soap. |
| Eyes | Redness. Pain. | Wear safety goggles. | First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. |
| Ingestion | Abdominal pain. Nausea. Vomiting. | Do not eat, drink, or smoke during work. Wash hands before eating. | Rinse mouth. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Refer for medical attention . |
Synthetic Route
| 1. Sulfonation, using 150－500SN base oil from petroleum refineries as raw material, using SO3 gas sulfonation； 2. Extraction and separation, using alkyl alcohol as the extraction agent, according to the weight ratio of acidic oil: alkyl alcohol=0.5～10； 3. The second sulfonation, after the oil is extracted and dehydrated, the second sulfonation is carried out； 4. Neutralization and concentration. The lower liquid extracted by the extractant for the first sulfonation and the second sulfonation is dissolved in an alkyl alcohol with a solid inorganic base. After the dissolution is complete, neutralize, and concentrate by distillation after neutralization. Petroleum sulfonate products are prepared after the alkyl alcohol is evaporated.Increase the oil recovery rate by 19-24%. |
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