Molekula
SDS (Sodium dodecyl sulfate) - (≥ 95%)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Sodium dodecyl sulfate (SDS) is an anionic surfactant widely used in laboratories, detergents, and as a solubilizing agent in biochemical applications. It disrupts cell membranes and denatures proteins, making it essential for processes like DNA/RNA extraction, electrophoresis, and cleaning. This product meets ≥95% purity standards with a CAS number of 151-21-3, molecular formula C12H25NaO4S, and a molecular weight of 288.38. Store at ambient conditions. The signal word is **Danger**, indicating hazardous properties. Molekula supplies SDS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White to Off-white powder |
| Water | ≤ 3.0% |
| Chloride (Cl-) | ≤ 0.1% |
| Purity (GC) | ⩾ 95.0% |
| Absorbance | 260: < 0.1, 280: < 0.1 |
| DNases/RNases/Proteases | None detected |
| Lead (Pb) | ≤ 0.0005% |
| Copper (Cu) | ≤ 0.0005% |
| Phosphate (PO4)3- | ≤ 0.0005% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 150 °C |
| Transport Class | 4.1 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White or cream-colored crystals, flakes, or powder |
| Odour | Faint odor of fatty substances |
| Melting Point | 205.5 °C |
| log P (octanol/water) | 1.60 |
Source: PubChem CID 3423265 (HSDB, DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 90036493 |
| CAS Number | 151-21-3 |
| IUPAC Name | sodium dodecyl sulfate |
| EC Number | 205-788-1 |
| Molecular Formula | C12H25NaO4S |
| Molecular Weight | 288.38 |
| Exact Mass | 288.1371 |
| SMILES | CCCCCCCCCCCCOS(=O)(=O)[O-].[Na+] |
| InChIKey | DBMJMQXJHONAFJ-UHFFFAOYSA-M |
| InChI | InChI=1S/C12H26O4S.Na/c1-2-3-4-5-6-7-8-9-10-11-12-16-17(13,14)15;/h2-12H2,1H3,(H,13,14,15);/q;+1/p-1 |
| PubChem CID | 3423265 |
| UN Number | UN1325 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2904105000 |
| Tariff Code | 2904100090 |
Safety & GHS
-
Flammable
GHS02
-
Corrosive
GHS05
-
Health Hazard
GHS07
Hazard statements
- H228 Flammable solid
- H302+332 Harmful if swallowed or inhaled
- H315 Causes skin irritation
- H318 Causes serious eye damage
- H335 May cause respiratory irritation
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Anticerumen
- Dodecyl sodium sulfate
- Duponal
- Duponol C
- Neutrazyme
- Sodium dodecyl sulfate
- Sodium dodecyl sulphate
- SODIUM LAURYL SULFATE
- Sodium lauryl sulphate
- Sodium n-dodecyl sulfate
Frequently asked questions
What is SDS (≥ 95%) commonly used for?
SDS is primarily used as an anionic surfactant in detergents, cosmetics, and laboratory applications for cell lysis, protein denaturation, and DNA extraction.
What is the chemical formula and molecular weight of SDS?
The chemical formula is **C₁₂H₂₅NaO₄S**, and the molecular weight is **288.38 g/mol**.
How should SDS (≥ 95%) be stored?
Store SDS at **ambient temperature** in a cool, dry place, away from incompatible substances like strong oxidizers.
What purity grades of SDS does Molekula supply?
Molekula supplies SDS with a **minimum purity of ≥ 95%**.
Can Molekula supply SDS in bulk quantities?
Yes, Molekula can provide SDS in bulk, with quantities tailored to your specific requirements—please contact us for details.
What documentation comes with an SDS order?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.