LDAO
- CAS No.
- 1643-20-5
- Chemical Name:
- LDAO
- Synonyms
- DDAO;LAURAMINE OXIDE;OB-2;LAURYLDIMETHYLAMINE OXIDE;LAURYLDIMETHYLAMINE N-OXIDE;LADO;dimethyldodecylamine-n-oxide;N,N-DIMETHYLDODECYLAMINE-N-OXIDE;N,N-dimethyldodecan-1-amine oxide;P3J
- CBNumber:
- CB6725905
- Molecular Formula:
- C14H31NO
- Molecular Weight:
- 229.4
- MDL Number:
- MFCD00002049
- MOL File:
- 1643-20-5.mol
- MSDS File:
- SDS
| Product description | Number | Pack Size | Price |
| N,N-Dimethyldodecylamine N-oxide BioXtra, ≥99.0% (NT) | 40234 | 5g | $733 |
| N,N-Dimethyldodecylamine N-oxide BioXtra, ≥99.0% (NT) | 40234 | 25g | $2480 |
| N,N-Dimethyldodecylamine N-Oxide (ca. 30% in Water) | L0361 | 50ML | $45 |
| N,N-Dimethyldodecylamine N-Oxide (ca. 30% in Water) | L0361 | 250ML | $136 |
| LDAO ≥95% | 25699 | 1g | $36 |
| More product size | |||
| Melting point | 132-133 °C(lit.) |
|---|---|
| Boiling point | 371.32°C (rough estimate) |
| Density | 0.996 g/mL at 20 °C |
| vapor pressure | 0Pa at 25℃ |
| refractive index |
n |
| Flash point | 113°C (closed cup)(235 |
| storage temp. | -20°C |
| solubility |
Ethanol:15.0(Max Conc. mg/mL);65.38(Max Conc. mM) DMF:3.0(Max Conc. mg/mL);1.31(Max Conc. mM) DMSO:0.1(Max Conc. mg/mL);0.44(Max Conc. mM) PBS (pH 7.2):0.1(Max Conc. mg/mL);0.44(Max Conc. mM) |
| form | A crystalline solid |
| pka | 4.79±0.40(Predicted) |
| Specific Gravity | 0.97 |
| color | White to off-white |
| PH | 7.0-9.0 (25°C, 0.1M in H2O) |
| Water Solubility | Insoluble in water. |
| Sensitive | Hygroscopic |
| BRN | 1769927 |
| Stability | Stable. Incompatible with strong oxidizing agents. Combustible. |
| LogP | 1.85 at 20℃ |
| EWG's Food Scores | 1 |
| FDA UNII | 4F6FC4MI8W |
| EPA Substance Registry System | Lauryldimethylamine oxide (1643-20-5) |
| UNSPSC Code | 12352200 |
| NACRES | NA.26 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |    GHS05,GHS07,GHS09 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H302-H315-H318-H410 | |||||||||
| Precautionary statements | P264-P273-P280-P301+P312-P302+P352-P305+P351+P338 | |||||||||
| Hazard Codes | C | |||||||||
| Risk Statements | 34-52/53 | |||||||||
| Safety Statements | 26-36/37/39-45-27 | |||||||||
| RIDADR | UN 3259 8/PG 2 | |||||||||
| WGK Germany | 2 | |||||||||
| RTECS | JR6650000 | |||||||||
| F | 3-10 | |||||||||
| TSCA | Yes | |||||||||
| HazardClass | 8 | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 29299090 | |||||||||
| Hazardous Substances Data | 1643-20-5(Hazardous Substances Data) | |||||||||
| Toxicity | mouse,LD50,intraperitoneal,375mg/kg (375mg/kg),French Medicament Patent Document. Vol. #4264M, | |||||||||
| NFPA 704 |
|
LDAO price More Price(32)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 40234 | N,N-Dimethyldodecylamine N-oxide BioXtra, ≥99.0% (NT) | 1643-20-5 | 5g | $733 | 2025-07-31 | Buy |
| Sigma-Aldrich | 40234 | N,N-Dimethyldodecylamine N-oxide BioXtra, ≥99.0% (NT) | 1643-20-5 | 25g | $2480 | 2025-07-31 | Buy |
| TCI Chemical | L0361 | N,N-Dimethyldodecylamine N-Oxide (ca. 30% in Water) | 1643-20-5 | 50ML | $45 | 2025-07-31 | Buy |
| TCI Chemical | L0361 | N,N-Dimethyldodecylamine N-Oxide (ca. 30% in Water) | 1643-20-5 | 250ML | $136 | 2025-07-31 | Buy |
| Cayman Chemical | 25699 | LDAO ≥95% | 1643-20-5 | 1g | $36 | 2024-03-01 | Buy |
LDAO Chemical Properties,Uses,Production
Description
DDAO is a far-red fluorogenic substrate for esterase and lipase.
Chemical Properties
Clear yellow Liquid
Uses
LDAO is suitable to use in crystallization of membrane proteins. It is also suitable to enhance the detection of high molecular weight proteins.
Uses
Barlox(R) 1260 is a concentrated cocoamine oxide surfactant. Barlox(R) 1260 can be used in a broad number of industriual cleaning applications where coupling, high foaming, detergency and compatibility are important. Product Data Sheet
Definition
ChEBI: 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 plant metabolite and a detergent. It derives from a hydride of a dodecane.
Application
Lauryldimethylamine oxide(LDAO) is mainly used in cosmetic and personal care product formulations, particularly in hair care products as a foaming agent, fragrance ingredient, viscosity builder, stabiliser, conditioner, emulsifier, wetting agent and antistatic agent. It is also a biochemical reagent and can be used as a biological material or organic compound for life science related research.
General Description
Crystalline solid.
Air & Water Reactions
Hygroscopic .
Reactivity Profile
LDAO is less basic than the tertiary amine from which LDAO is derived, but still reacts with strong acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.
Fire Hazard
Flash point data for LDAO are not available. LDAO is probably nonflammable.
Flammability and Explosibility
Not classified
Biochem/physiol Actions
LDAO can be used to disrupt phospholipid bilayer of cells.
Purification Methods
Crystallise the oxide from acetone or ethyl acetate. [Bunton et al. J Org Chem 52 3832 1987, Beilstein 4 III 410, 4 IV 798.]
Excitation / Emission Maximum
646 nm/659 nm
LDAO Preparation Products And Raw materials
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Hebei Chuanghai Biotechnology Co., Ltd | +8615350571055 | Sibel@chuanghaibio.com | China | 8768 | 58 |
| Hebei Chuanghai Biotechnology Co,.LTD | +86-13131129325 | sales1@chuanghaibio.com | China | 5249 | 58 |
| Hebei Chuanghai Biotechnology Co., Ltd | +8615531151365 | mina@chuanghaibio.com | China | 18126 | 58 |
| Anhui Ruihan Technology Co., Ltd | +8617756083858 | daisy@anhuiruihan.com | China | 973 | 58 |
| Hebei Jingbo New Material Technology Co., Ltd | +8619931165850 | hbjbtech@163.com | China | 1000 | 58 |
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 20137 | 58 |
| Shandong Juchuang Chemical Co., LTD | +16837774622 | admin@juchuangchem.com | China | 295 | 58 |
| Yujiang Chemical (Shandong) Co.,Ltd. | +8617736087130 | catherine@yjchem.com.cn | China | 994 | 58 |
| Hebei Zhuanglai Chemical Trading Co.,Ltd | +8613343047651 | admin@zlchemi.com | China | 3692 | 58 |
| Hebei Longbang Technology Co., LTD | +86-18633929156 | admin@hblongbang.com | China | 972 | 58 |
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View Lastest Price from LDAO manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-12-06 | LDAO
1643-20-5
|
0.99 | RongNa Biotechnology Co.,Ltd | ||||
 |
2025-12-03 | LDAO
1643-20-5
|
US $2380.00 / T | 1T | 30% | 100000T | Baoji Guokang Healthchem Co., Ltd. | |
 |
2025-12-03 | LDAO
1643-20-5
|
US $100.00-75.00 / kg | 1kg | 99% | 5000Ton | HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD |
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