2-Hydroxy-1,4-naphoquinone

CasNo 83-72-7
Purity 99%

Inquery

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1.What is the 2-Hydroxy-1,4-naphoquinone ?

An antimicrobial antioxidant dye isolated from Henna.

: 7664-93-9
sulfuric acid

: 75112-65-1
2-(4-nitrophenylamino)-1,4-naphthoquinone

: 83-72-7
2-hydroxynaphtho-1,4-quinone

: 100-01-6,104810-17-5
4-nitro-aniline

Conditions

Conditions	Yield

: 7732-18-5
water

: 5438-85-7
2-amino-N⁴-naphthoquinone iminium hydrochloride

: 83-72-7
2-hydroxynaphtho-1,4-quinone

: 2348-81-4
2-amino-1,4-naphthoquinone

: 93484-98-1
2-Hydroxy-4-imino-4H-naphthalen-1-one

Conditions

Conditions	Yield

2.What is the CAS number for 2-Hydroxy-1,4-naphoquinone ?

The CAS number of 2-Hydroxy-1,4-naphoquinone is 83-72-7.

More information of 2-Hydroxy-1,4-naphoquinone 83-72-7 are:

CAS?Number	83-72-7
Density	1.482 g/cm³
Melting Point	192-195 °C (dec.)(lit.)
Boiling Point	339.908 °C at 760 mmHg
Flash Point	173.572 °C
Refractive Index	1.5036 (estimate)
HS CODE	29146990
PSA	54.37000
LogP	1.50750
Pka	4.31±0.10(Predicted)

3.What are another words for 2-Hydroxy-1,4-naphoquinone ?

Synonyms?for?2-Hydroxy-1,4-naphoquinone 83-72-7:1,4-Naphthoquinone,2-hydroxy- (6CI,8CI);1,4-Dihydro-1,4-dioxo-2-hydroxynaphthalene;2-Hydroxy-1,4-naphthalenedione;2-Hydroxy-1,4-naphthoquinone;2-Hydroxynaphthoquinone;C.I. 75480;C.I. Natural Orange 6;Flower of Paradise;Henna;Henna (dye);Lawsone;Mehendi;Mendi;NSC 27285;NSC 52500;NSC 8625;Pakarli;Q 0;

4.What is the molecular formula of 2-Hydroxy-1,4-naphoquinone?

The chemical formula of ?2-Hydroxy-1,4-naphoquinone is?C10H6O3 which containing 10 Carbon atoms,6 Hydrogen atoms and 3 Oxygen atoms,and the molecular weight of??2-Hydroxy-1,4-naphoquinone?is 174.156.

5.What is 2-Hydroxy-1,4-naphoquinone (83-72-7) used for?

Lawsone [CAS: 83-72-7] (CI Natural Orange 6; CI 75420), also known as henna and isojuglone, occurs in the shrub henna (Lawsone alba). In England, the plant is known as Egyptian privet. The dye was extracted from the leaves of the plant, using sodium bicarbonate, and the extracts used to dye protein fibers an orange shade. Henna is probably the oldest cosmetic known. The ancient Egyptians used it as a hair dye and for staining fingernails. It is said that Mohammed dyed his beard with henna. Lawsone has been identified as 2-hydroxy-1,4-naphthoquinone. It has been synthesized by the Thiele acetylation of 1,4-naphthoquinone followed by hydrolysis and oxidation.

InChI:InChI=1/C10H6O3/c11-8-5-9(12)10(13)7-4-2-1-3-6(7)8/h1-5,12H

Relevant articles related to 2-Hydroxy-1,4-naphoquinone:

Article

Source

Cobalt porphyrins immobilized on polymer microspheres as catalysts for the oxidation of 2-naphthol to 2-hydroxy-1,4-naphthoquinone by molecular oxygen

Zhao, Jing,Gao, Bao-Jiao,Gong, Yong-Kuan

, p. 1808 - 1813 (2011)

Study of methanol catalyzed reaction between sodium 1,2-naphthoquine-4-sulfonate and hydroxyl ion and its application in the determination of methanol

Li, Quanmin,Zhang, Huanhuan

, p. 245 - 251 (2008)

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Q: What is the 2-Hydroxy-1,4-naphoquinone?

2-Hydroxy-1,4-naphoquinone is Yellow crystal powder, while it's Molecular Formula is C10H6O3. Yellow crystal powder An antimicrobial antioxidant dye isolated from Henna.