Sodium Dodecyl Sulfate Specifications
| Test Item | Condition / Unit | Test Method / Basis | Specification | Reference Result* |
| Appearance | — | Visual | White powder | White powder |
| Solubility | 1% in ethanol | Confirm current specification method | Completely dissolved | Completely dissolved |
| Solubility | 3% in deionized water | Confirm current specification method | Completely dissolved | Completely dissolved |
| Color (APHA) | 20% in deionized water | APHA color; confirm method/version | ≤15 | 8 |
| Active matter | % on a dry basis | Dry-basis test; confirm analytical method | ≥99% | 0.9986 |
| Petroleum ether soluble matter | % | Confirm on specification / COA | ≤0.3% | 0.0006 |
| Sodium sulfate | % | Confirm on specification / COA | ≤0.2% | 0.0008 |
| Sodium chloride | % | Confirm on specification / COA | ≤0.1% | 0.00003 |
| Water content | % | Confirm on specification / COA | ≤1.0% | 0.0091 |
| pH | 1% in deionized water | Confirm temperature and method | 6.0–8.0 | 7.04 |
| Phosphate | ppm | Confirm on specification / COA | ≤1.0 ppm | 0.2 ppm |
| Lead (Pb) | ppm | Confirm instrumental method | ≤2 ppm | 0.5 ppm |
| Iron (Fe) | ppm | Confirm instrumental method | ≤1.0 ppm | 0.3 ppm |
| Nitrogen (N) | ppm | Confirm on specification / COA | ≤5 ppm | 1 ppm |
| Arsenic (As) | ppm | Confirm instrumental method | ≤0.1 ppm | 0.03 ppm |
| Fraction content | % by GC | Gas chromatography; confirm method | ≥99% | 0.9953 |
| Absorbance | 3% in deionized water, 220 nm | UV absorbance; confirm method | Confirm on current specification | 0.037 |
| Absorbance | 3% in deionized water, 230 nm | UV absorbance; confirm method | ≤0.4 | 0.026 |
| Absorbance | 3% in deionized water, 260 nm | UV absorbance; confirm method | ≤0.1 | 0.017 |
| Absorbance | 3% in deionized water, 280 nm | UV absorbance; confirm method | ≤0.075 | 0.011 |
| Absorbance | 3% in deionized water, 350 nm | UV absorbance; confirm method | Confirm on current specification | 0.005 |
| Absorbance | 3% in deionized water, 410 nm | UV absorbance; confirm method | ≤0.01 | 0.002 |
Wholesale Packaging, Storage and Transportation
At Forward Science, a professional Anionic Surfactants supplier, we understand that secure packaging and compliant logistics are just as critical as product quality. From moisture-proof standard packaging to strict, SDS-compliant storage and global shipping solutions, we ensure your Sodium Dodecyl Sulfate arrives safely and efficiently.
Review our standard handling specifications below, or Contact Us for a Custom Shipping Quote today!
Standard packing shown
Pack Type: Polyethylene bag lined with a plastic woven outer bag
Net Weight: 25 kg per bag
Pallet / Loading: Pallet type, wrapping and container-loading details are confirmed according to order quantity and destination.
Labeling: State the required label language, customer label and shipping-mark requirements.
Storage and transport
Warehouse: Store in a dry, clean and well-ventilated warehouse.
Protection: Handle carefully, avoid heat and moisture, and protect from rain during transportation.
Segregation: Store separately from toxic substances and follow the current Safety Data Sheet.
Transport Status: Dangerous-goods classification and transport requirements must be confirmed from the current SDS for the supplied grade and route.
Port / Mode: Export port, ocean/air/road options and shipping terms are confirmed against the quantity and destination.
Why Source Sodium Dodecyl Sulfate from Forward Science?
From sample review to repeat bulk orders, Forward Science connects product specification, batch documentation and commercial supply in one purchasing process.
Communicate product and commercial requirements directly for sample, bulk, repeat and project-based SDS purchasing.
Compare required limits with the current specification and review batch-specific results before shipment approval.
Request sample terms and share your application so grade, critical parameters and supporting documents can be confirmed.
Confirm MOQ, wholesale price, packing, lead time, destination and required shipping documents for commercial orders.
Applications of Sodium Dodecyl Sulfate
Sodium Dodecyl Sulfate (SDS) delivers versatile performance across biochemistry, industrial formulations, and oral care. As an anionic detergent it solubilizes and denatures proteins for PAGE and related assays; as a surfactant it provides wetting, cleaning, emulsifying and foaming action in laboratory and industrial systems; and in toothpaste it supports effective lather and plaque removal, often used together with zinc sulphate in toothpaste for enhanced functional performance. Performance depends on concentration, purity grade, electrolyte tolerance and the complete formulation—share your specific application so we can confirm the right specification and documentation before you order.
Protein solubilization and denaturation
SDS is used as an anionic detergent to solubilize and denature proteins. In denaturing PAGE applications, proteins commonly bind SDS at approximately 1.4 g SDS per gram of protein. The charge contributed by bound SDS largely masks the protein's intrinsic charge, so migration is primarily related to molecular size.
Specification basis: ≥99% active matter is shown; confirm protocol-specific purity and absorbance limits
Selection checks: active matter, UV absorbance, inorganic salts and protocol requirements
Process note: confirm concentration and compatibility with the complete buffer or assay system
Explore biomedical chemical applications →
Surfactant and detergent functions
As a sodium dodecyl sulfate surfactant, SDS can provide wetting, cleaning, emulsifying and foaming functions in compatible laboratory and industrial formulations. Required purity, electrolyte tolerance and process behavior should be evaluated in the complete formulation.
Recommended grade: determined by formulation, process and destination-market requirements
Selection checks: active matter, pH, soluble impurities and required foam profile
Process note: evaluate electrolyte, temperature and ingredient compatibility in the final formulation
View industrial chemical applications →
Toothpaste foaming systems
Sodium dodecyl sulfate is used as a surfactant and foaming agent in toothpaste formulations, supporting lather and plaque-removal performance during brushing. It may be formulated alongside functional zinc salts such as zinc sulfate. Suitability must be confirmed against the required oral-care grade, formulation and target-market rules.
Recommended grade: oral-care and market-specific suitability must be confirmed before purchase
Selection checks: grade, trace elements, formulation compatibility and market documentation
Process note: confirm suitability with the full oral-care formulation and required regulatory standard
See chemicals used in toothpaste →
Sodium Dodecyl Sulfate Related Reading:
How SDS Works in SDS-PAGE: Protein Denaturation, Binding and Purity Checks
Sodium Lauryl Sulfate in Toothpaste: Function, Compatibility and Supplier Checks
Sodium Dodecyl Sulfate in Industrial Formulations: Function, Compatibility and Selection
Sodium Dodecyl Sulfate (SDS/SLS): Properties, Applications and Supplier Buying Guide
Sodium Dodecyl Sulfate vs Sodium Dodecylbenzene Sulfonate: Comparison Guide
