Molekula
N-Dodecyl-N,N-dimethyl-3-ammonio-1- propanesulfonate (SB-12)
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-Dodecyl-N,N-dimethyl-3-ammonio-1-propanesulfonate (SB-12) is a zwitterionic surfactant used in detergents, personal care products, and industrial formulations for its excellent emulsifying and solubilizing properties. It has a CAS number of 14933-08-5, molecular formula C17H37NO3S, and a molecular weight of 335.55 g/mol. Stable at ambient storage conditions, it carries a warning signal word due to potential skin and eye irritation. Molekula supplies SB-12 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.
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25 g — £87.20 per pack ex VAT · £104.64 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 Powder |
| Storage Temperature | +20 ° C |
| Purity | 99% min |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 110 °C |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 46127118 |
| CAS Number | 14933-08-5 |
| Molecular Formula | CH3(CH2)11N+(CH3)2CH2CH2CH2SO3- |
| Molecular Weight | 335.55 |
| SMILES | CCCCCCCCCCCC[N+](C)(C)CCCS(=O)(=O)O |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2923.90.0100 |
| Tariff Code | 2923900090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 + H312 + H332 Harmful if swallowed, in contact with skin or if inhaled
- 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
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- 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, Portuguese, 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-Dodecyl-N,N-dimethyl-3-ammonio-1-propanesulfonate (SB-12) used for?
SB-12 is primarily used as a zwitterionic surfactant in formulations requiring low foaming and high stability, such as in personal care products and industrial cleaning agents.
What is the chemical formula and molecular weight of SB-12?
The formula is CH3(CH2)11N+(CH3)2CH2CH2CH2SO3- with a molecular weight of 335.55 g/mol.
How should SB-12 be stored?
SB-12 should be stored at ambient temperature, protected from moisture and direct sunlight.
What grade of SB-12 is available from Molekula?
Molekula supplies SB-12 in technical grade, suitable for industrial and research applications.
Can Molekula supply SB-12 in bulk quantities?
Yes, Molekula can supply SB-12 in bulk; please contact our sales team for volume pricing and availability.
What documentation comes with an order of SB-12?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) compliant with GHS standards.
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.