Molekula
N-Octyl-N,N-dimethyl-3-ammonio-1- propanesulfonate (SB-8)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
N-Octyl-N,N-dimethyl-3-ammonio-1-propanesulfonate (SB-8) is a zwitterionic surfactant used in detergents, emulsifiers, and specialty chemical formulations. It exhibits excellent solubility and stability in aqueous systems. CAS: 15178-76-4, Molecular Formula: C13H29NO3S, Molecular Weight: 279.44 g/mol, Storage: Ambient, Signal Word: Warning. Molekula supplies SB-8 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
In stock — same-day dispatch
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.
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25 g — £183.80 per pack ex VAT · £220.56 inc. VAT
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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.
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Specifications
| Property | Value |
|---|---|
| Appearance | Solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 27875244 |
| CAS Number | 15178-76-4 |
| IUPAC Name | 3-[dimethyl(octyl)azaniumyl]propane-1-sulfonate |
| Molecular Formula | C13H29NO3S |
| Molecular Weight | 279.44 |
| Exact Mass | 279.1868 |
| SMILES | CCCCCCCC[N+](C)(C)CCCS(=O)(=O)[O-] |
| InChIKey | QZRAABPTWGFNIU-UHFFFAOYSA-N |
| InChI | InChI=1S/C13H29NO3S/c1-4-5-6-7-8-9-11-14(2,3)12-10-13-18(15,16)17/h4-13H2,1-3H3 |
| PubChem CID | 3084219 |
| REACH Code | Y110 |
| HTS Code | 2923.90.0100 |
| Tariff Code | 2923900090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P271 Use only outdoors or in a well-ventilated area
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+P351+P338 IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do, continue rinsing
- P312 Call a POISON CENTER or doctor/physician if you feel unwell
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 1-Octanaminium, N,N-dimethyl-N-(3-sulfopropyl)-, hydroxide, inner salt
- 1-Octanaminium, N,N-dimethyl-N-(3-sulfopropyl)-, inner salt
- 3-(Dimethyl(octyl)ammonio)propane-1-sulfonate
- 3-(N,N-Dimethyloctylammonio)propanesulfonate inner salt
- 3-[dimethyl(octyl)azaniumyl]propane-1-sulfonate
- N-Octyl-N,N-dimethyl-3-ammonio-1-propanesulfonate
- N-Octylsulfobetaine
- Octyl sulfobetaine
- Sulfobetaine-8
- Zwittergent 3-08
Frequently asked questions
What is N-Octyl-N,N-dimethyl-3-ammonio-1-propanesulfonate (SB-8) used for?
SB-8 is primarily used as a zwitterionic surfactant in chemical and pharmaceutical applications, offering excellent solubility and stability in aqueous and organic systems.
What is the chemical formula and molecular weight of SB-8?
The formula is C13H29NO3S with a molecular weight of 279.44 g/mol.
How should SB-8 be stored?
SB-8 should be stored at ambient temperature, protected from moisture and direct sunlight.
What grade of SB-8 is available from Molekula?
Molekula supplies SB-8 in technical grade; custom purity grades may be available upon request.
Can Molekula supply SB-8 in bulk quantities?
Yes, Molekula can supply SB-8 in bulk; please contact our sales team for volume pricing and availability.
What documentation comes with an order of SB-8?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
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.