2-Hydroxy-1,4-naphthoquinone

Basic Information

View in Editor

CAS Number

83-72-7

Molecular Formula

C10H6O3

Molecular Weight

174.15 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Ketones

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

192-195 °C (dec.)

Boiling Point

339.9°C at 760 mmHg

Density

1.2346 (rough estimate)

Water Solubility

2 g/L (20 ºC)

Flash Point

192

Solubility

less than 1 mg/mL at 66° F (NTP, 1992)

Refractive Index

1.5036 (estimate)

SMILES

View in Editor

OC1=CC(=O)c2ccccc2C1=O

InChI

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

InChIKey

CSFWPUWCSPOLJW-UHFFFAOYSA-N

LogP

1.5075

Topological Polar Surface Area

54.37 Å²

Hydrogen Bond Donor/Acceptor

1 / 3

Complexity

291

Safety Information

View Safety Information

GHS Hazard Pictograms

H315

H319

H335

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Storage Conditions

2-8℃

Stability

Stable. Combustible. Incompatible with strong oxidizing agents.

Synonyms & References

English

2-Hydroxynaphthalene-1,4-dione
C.I. 75480~Lawsone
lawsone (2-hydroxy-1,4-naphthoquinone)
Natural Orange 6
2-Hydroxy-1,4-naphthoquinone
C.I. 75480
Lawsone
2-Hydroxy-1,4-naphoquinone
2-Hydroxy-1.4-naphthoquinone
LAWSONE(P)
LAWSONE(RG)
2-Hydroxy-1,4-naphthalenedione
2-Hydroxy-p-naphthoquinone
Natural orange 6
2-Hydroxynaphthoquinone
Henna
Mehendi
Mendi
Lawson
HANA
Flower of paradise
C.I. Natural Orange 6
1,4-Naphthalenedione, 2-hydroxy-
Lawsonia alba
Henna leaves
1,4-Naphthoquinone, 2-hydroxy-
2-hydroxy-1,4-dihydronaphthalene-1,4-dione
2-HYDROXY-
2-Hydroxynaphthoquinone,C.I. Natural Orange 6,Flower of Paradise,Henna,Henna (dye),Lawsone,Mehendi,M...

MDL Number

MFCD00001678

Customs Code

2914690090

FAQ

What is 2-Hydroxy-1,4-naphthoquinone (CAS: 83-72-7)?

2-Hydroxy-1,4-naphthoquinone, also known as 1,4-naphthoquinone-2-hydroxyl, is an organic compound with the chemical formula C10H6O2. It is a yellow crystalline solid that is soluble in organic solvents and exhibits strong antioxidant properties. This compound is commonly used in various chemical applications due to its reactivity and functional groups.

What are the main uses of 2-Hydroxy-1,4-naphthoquinone (CAS: 83-72-7)?

2-Hydroxy-1,4-naphthoquinone is widely used in pharmaceuticals as a precursor for drug synthesis, in the food industry as a natural antioxidant, and in research for its role in chemical reactions and biological studies. It also finds applications in dye manufacturing and as a component in certain industrial chemicals due to its unique properties.

Is 2-Hydroxy-1,4-naphthoquinone (CAS: 83-72-7) safe?

2-Hydroxy-1,4-naphthoquinone is generally considered safe when handled properly, but it may cause skin and eye irritation. It is important to follow safety standards, such as using protective gloves and goggles, and to avoid prolonged exposure. Proper ventilation and adherence to OSHA guidelines are recommended for safe handling.

How should 2-Hydroxy-1,4-naphthoquinone (CAS: 83-72-7) be stored?

2-Hydroxy-1,4-naphthoquinone should be stored in a cool, dry, and dark place, ideally at temperatures below 25°C. It is sensitive to moisture and light, so it should be kept in a sealed container with desiccant and away from direct sunlight. Maintaining stable storage conditions is essential to preserve its chemical integrity and effectiveness.