Molekula
N-Hexadecyl-N,N-dimethyl-3-ammonio-1- propanesulfonate (SB-16)
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
N-Hexadecyl-N,N-dimethyl-3-ammonio-1-propanesulfonate (SB-16, also known as Zwittergent 3-16) is a research-grade zwitterionic sulfobetaine detergent used in biochemistry for solubilizing membrane proteins and in protein work such as electrophoresis. This chemical has a CAS number of 2281-11-0, a molecular formula of CH3(CH2)15N+(CH3)2CH2CH2CH2SO3-, and a molecular weight of 391.65. It is stable at ambient storage conditions and carries a signal word of "Warning" for safety classification. Molekula supplies SB-16 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
-
25 g — £88.80 per pack ex VAT · £106.56 inc. VAT
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/ off white crystalline powder |
| Heavy metals | ≤10ppm |
| Identification | Conforms to reference |
| Solubility | Clear, colourless solution |
| Carbon (C) | 63.1 - 65.7% |
| Residue on Ignition | ≤0.10% |
| Insoluble Matter | ≤0.10% |
| Moisture | ≤1.0% |
| Assay (TLC) | ≥99% |
| Iron (Fe) | ≤5ppm |
| Nitrogen (N) | 3.4 - 3.7% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90005398 |
| CAS Number | 2281-11-0 |
| Molecular Formula | CH3(CH2)15N+(CH3)2CH2CH2CH2SO3- |
| Molecular Weight | 391.65 |
| SMILES | O=S(=O)([O-])CCC[N+](C)(C)CCCCCCCCCCCCCCCC |
| REACH Code | Y110 |
| HTS Code | 29239001 |
| Tariff Code | 2923900090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- 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, French, German, Italian, Spanish.
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
No alternate names recorded for this product.
Frequently asked questions
What is N-Hexadecyl-N,N-dimethyl-3-ammonio-1-propanesulfonate (SB-16) commonly used for?
SB-16 (Zwittergent 3-16) is used as a laboratory zwitterionic detergent in biochemistry, mainly for solubilizing membrane proteins and in protein work such as electrophoresis.
What is the chemical formula and molecular weight of SB-16?
The chemical formula is CH3(CH2)15N+(CH3)2CH2CH2CH2SO3- and the molecular weight is 391.65 g/mol.
How should SB-16 be stored?
Store SB-16 at ambient temperature in a cool, dry place, away from direct sunlight and incompatible substances.
What grades or purity levels of SB-16 does Molekula supply?
Molekula supplies SB-16 in technical/industrial grade with purity typically ≥98% (exact specifications available upon request).
Can Molekula supply SB-16 in bulk quantities?
Yes, Molekula can supply SB-16 in bulk, with flexible packaging options (drums, IBCs, or custom solutions) based on order volume.
What documentation comes with an SB-16 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.