What are the side effects of lauryl dimethyl amine oxide(CAS 1643-20-5)?

Jun 23, 2025 Leave a message

Lauryl dimethyl amine oxide, LDAO for short, CAS No. 1643-20-5, is a commonly used amphoteric surfactant, widely used in cleaning products such as shampoo, shower gel, and dishwashing liquid. Although it is considered a mild and safe ingredient, it may still have some side effects on the human body or the environment under certain circumstances.

 

1. Skin and Eye Irritation
Direct contact with lauryl dimethyl amine oxide can cause skin irritation. For some people, it may lead to redness, itching, or a burning sensation, especially if they have sensitive skin. In more severe cases, it could trigger contact dermatitis. Similarly, if the compound gets into the eyes, it can cause eye irritation, including redness, pain, and tearing. That's why products containing it often come with warnings to avoid contact with eyes and to rinse thoroughly if contact occurs.

 

surfactant Lauryl dimethyl amine oxide

 

2. Allergic Reactions
Some individuals may be allergic to N,N-Dimethyldodecylamine N-oxide. Allergic reactions can range from mild symptoms like a rash or hives to more serious ones, such as swelling of the face, lips, tongue, or throat, which can potentially affect breathing. If you notice any unusual symptoms after using a product with this ingredient, it's crucial to stop using it immediately and seek medical advice.

 

3. Environmental Impact
When Dodecyldimethylamine oxide enters the environment, it can have negative effects. In water bodies, it may be toxic to aquatic organisms. Even in low concentrations, it can disrupt the normal life processes of fish, invertebrates, and other aquatic life. Over time, this can have a cascading effect on the ecosystem, potentially altering the balance of aquatic food chains and harming the overall health of water environments.

 

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lauramine oxide (Lauryl dimethyl amine oxide)

 

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