3-[dodecyl(dimethyl)ammonio]propane-1-sulfonate

3-磺丙基十二烷基二甲基甜菜碱

Also known as: N-Dodecyl-N,N-dimethyl-3-ammonio-1-propanesulfonate, Sulfobetaine 12, Lauryl sulfobetaine, Dodecyldimethyl(3-sulfopropyl)ammonium hydroxide inner salt, 3-(Dodecyldimethylammonio)propane-1-sulfonate, 3-(Lauryldimethylammonio)propane-1-sulfonate, 1-Dodecanaminium, N,N-dimethyl-N-(3-sulfopropyl)-, inner salt, 3-(N,N-Dimethyldodecylammonio)propanesulfonate, 3-(N,N-Dimethyllaurylammonio)propanesulfonate

3-[dodecyl(dimethyl)ammonio]propane-1-sulfonate (CAS 14933-08-5) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C17H37NO3S and a molecular weight of 335.546 g/mol. It is also known as N-Dodecyl-N,N-dimethyl-3-ammonio-1-propanesulfonate, Sulfobetaine 12 and Lauryl sulfobetaine. Key properties include a melting point of 250-260 °C (dec.) and a flash point of 110 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
14933-08-5
Jingsj CID
J-45730-9
Molecular Formula
C17H37NO3S
Chinese Name
3-磺丙基十二烷基二甲基甜菜碱
Molecular Weight
335.546 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point250-260 °C (dec.)
Flash Point110 °C
Exact Mass335.249420
PSA65.58000
LogP-1.91
Storage Conditions2-8°C
Additional PropertyH2O: 1 M at 20 °C, clear, colorless

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H315 — Causes skin irritation
  • H318 — Causes serious eye damage
  • H332 — Harmful if inhaled
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2923900090
Summary2923900090 other quaternary ammonium salts and hydroxides。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-[dodecyl(dimethyl)ammonio]propane-1-sulfonate?

The CAS number of 3-[dodecyl(dimethyl)ammonio]propane-1-sulfonate is 14933-08-5.

What are the molecular formula and molecular weight of 3-[dodecyl(dimethyl)ammonio]propane-1-sulfonate?

3-[dodecyl(dimethyl)ammonio]propane-1-sulfonate has molecular formula C17H37NO3S and molecular weight 335.546 g/mol.

Is 3-[dodecyl(dimethyl)ammonio]propane-1-sulfonate hazardous?

3-[dodecyl(dimethyl)ammonio]propane-1-sulfonate has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.

What are the upstream and downstream products of 3-[dodecyl(dimethyl)ammonio]propane-1-sulfonate?

For 3-[dodecyl(dimethyl)ammonio]propane-1-sulfonate, Upstream Products: 1,3-Propanesultone, N,N-Dimethyldodecylamine.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3-[dodecyl(dimethyl)ammonio]propane-1-sulfonate (CAS 14933-08-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45730-9 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.