Lawsone CAS:83-72-7

Lawsone CAS:83-72-7 is one among the forensic reagents used for fingerprint detection. Lawsone CAS:83-72-7 also known as hennotannic acid, is a red-orange dye present in the leaves of the henna plant (Lawsonia inermis) as well as in the flower of water hyacinth (Eichhornia crassipes). Humans have used henna extracts containing lawsone as hair and skin dyes for more than 5000 years. Lawsone reacts chemically with the protein known as keratin in skin and hair, in a process known as Michael addition, resulting in a strong permanent stain that lasts until the skin or hair is shed. Lawsone strongly absorbs UV light, and aqueous extracts can be effective sunless tanning and sunscreens. Chemically, lawsone is similar to juglone, which is found in walnuts. Lawsone CAS:83-72-7 could be supplied in different size with competitive price.
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Product Details


Other name:



1,4-Naphthalenedione, 2-hydroxy-


CAS: 83-72-7

EINECS: 201-496-3

MF: C10H6O3


Appearance: Orange powder

MP: 192-195℃

Purity: 98%min

Package: 25g, 100g, 500g, bulk package

Applications: Organic intermediate; Organic dye

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