Dodecyldimethylamine N-oxide is a tertiary amine oxide resulting from the formal oxidation of the amino group of dodecyldimethylamine.
How much products actually contain
No product states its amount yet.
Of the products containing it, 2 list it before the 1% line and 0 after it (usually 1% or less).
Products using this ingredient
2 of 2 confirmed · likeliest to carry enough first
Definition
Dodecyldimethylamine N-oxide is a tertiary amine oxide resulting from the formal oxidation of the amino group of dodecyldimethylamine. It has a role as a detergent and a plant metabolite. It derives from a hydride of a dodecane.
Source: PubChem
US FDA substance register · UNII 4F6FC4MI8W · registered name LAURAMINE OXIDE · single chemical substance
Cosmetic roles
Safety & regulatory references
Korea’s toxic-substance GHS classification: Danger · H410 (category 1) · H302 (category 4) · H314 (category 1B) · +1 more
Other restriction: ban substances that deplete the ozone layer
Source: EU CosIng ingredient list
Reviewed by CIR: Annual Review of Cosmetic Ingredient Safety Assessments: 2007-2010
Reviewed by CIR: Final Report on the Safety Assessment of Lauramine Oxide and Stearamine Oxide
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name ラウラミンオキシド: 本品は、次の化学式で表される第三アミンのオキシドである。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 1643-20-5
- CAS No.chemical registry number
- 308062-28-4
- EC No.EU chemical inventory number
- 216-700-6
- DTXSIDUS EPA chemical ID
- DTXSID1020514
- DTXCIDUS EPA compound ID
- DTXCID8042
- IUPAC
- N,N-Dimethyldodecan-1-amine N-oxide
- Molecular formula
- C14H31NO
- Molecular weight
- 229.408 g/mol
Measured properties
- Appearance
- Dimethyldodecylamine-n-oxide is a crystalline solid. · Liquid, CBI
- Melting point
- 266 to 268 °F (NTP, 1992) · 130.5 °C
- Solubility
- In water, 190,000 mg/L at 25 °C
- Stability
- Stable at high concentrations of electrolytes and over a wide pH range /Monohydrate/
- Melting/freezing point
- 132~133 ℃
- Vapour pressure
- 6.23E-08 ㎜Hg (25℃ (est.))
- Water solubility
- 19 g/100㎖ (25℃)
- n-Octanol/water partition coefficient (Kow)
- 4.67 (est.)
- Molecular weight
- 229.41
Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.
Source: PubChem · KOSHA safety data sheets (Korea)
What products actually use it for
What the 554 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Surfactant (surface active agent)202
- Cleaning agent100
- Emulsifier76
- Foamant54
- Thickening agent51
- Stabilizing agent51
- Wetting agent (non-aqueous)5
- Fragrance4
6 other uses
- Softener and conditioner3
- Anti-static agent2
- Solubility enhancer2
- Viscosity modifier2
- Intermediate1
- Biocide1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
4 skin studies and 2 eye studies are on record.
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 6 studies
- Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation) - Classification not possible
Skin Irritation · Screening - Category 8.2B (Category 1B)
Skin Irritation · Read Across - Not classified
Skin Sensitization · Screening - Category 8.3A (Category 1)
Eye Irritation · Read Across - Category 2A
Eye Irritation · Screening
Source: US EPA CompTox dashboard
Related literature
- Illustration of the Distribution of DNA Sequences and Their Frequencies Within the MEP2 Gene Across Ten Candida Species · 2024
- Eco-Metabolomic Signatures of Frog Skin Secretions Reveal Environmental Stress Biomarkers Across Pond Disturbance Gradients. · 2026
- It is not always chlorhexidine: Identification of benzoxonium chloride and lauramine oxide as culprit allergens in a popular antiseptic in Switzerland · 2023
- Annual Review of Cosmetic Ingredient Safety Assessments: 2007-2010 · 2011
- Final Report on the Safety Assessment of Lauramine Oxide and Stearamine Oxide · 1994
Linked databases 20
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic ingredient register 2
- PubChem 2
- Tlooto literature search 2 3 4 5
- UniChem cross-reference IDs
- US Cosmetic Ingredient Review (CIR) 2 3
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata
- Wikipedia · English