2-methyl-1,4-dihydronaphthalene-1,4-dione

Basic Information

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CAS Number

58-27-5

Molecular Formula

C11H8O2

Molecular Weight

172.18 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

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Melting Point

105-107 °C

Boiling Point

304.5℃ at 760 mmHg

Flash Point

113.8 °C

Solubility

oil: soluble

Refractive Index

1.5500 (estimate)

Odor

Very faint acrid odor

SMILES

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CC1=CC(=O)c2ccccc2C1=O

InChI

InChI=1S/C11H8O2/c1-7-6-10(12)8-4-2-3-5-9(8)11(7)13/h2-6H,1H3

InChIKey

MJVAVZPDRWSRRC-UHFFFAOYSA-N

LogP

2.0119000000000002

Topological Polar Surface Area

34.14 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Complexity

289

Safety Information

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GHS Hazard Pictograms

H302

H315

H319

H335

Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

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

Hazard Class

Class IRRITANT Class IRRITANT

Storage Conditions

2-8℃

Stability

Stable. May be light sensitive. Incompatible with strong oxidizing agents.

Sensitiveness

Light Sensitive

Toxicity

LD50 orally in mice: ~0.5 g/kg (Molitor, Robinson)

Synonyms & References

English

2-Methyl-1,4-naphthoquinone
Menadione (1.05793)
Vitamin K2(0)
Vitamin K3
menaphthone
Menadione
Vitamin K_3
2-Methyl-1,4-dihydronaphthalene-1,4-dione
VK3
2-Methylnaphthoquinone
Menadione (K3)
VITAMIN K3(MENADIONE)(P)
VITAMIN K3(MENADIONE)(RG)
2-methyl-1,4-naphthalenedione
2-methyl-1,4-naphthodione
2-methyl-naphthoquinone
Aquakay
Juva-K
Kanone
Karcon
Kareon
Kaykot
Kipca
Koaxin
Synkay
2-methylnaphthalene-1,4-dione
Thyloquinone
Panosine
Klottone
Kayquinone
Kappaxin

MDL Number

MFCD00001681

Customs Code

2914700090

FAQ

What is 2-methyl-1,4-dihydronaphthalene-1,4-dione (CAS: 58-27-5)?

2-Methyl-1,4-dihydronaphthalene-1,4-dione (CAS: 58-27-5) is a chemical compound with the molecular formula C11H10O2. It is a yellow solid with a molecular weight of 178.2 g/mol and exhibits moderate solubility in organic solvents. The compound is known for its structural similarity to naphthoquinones and is often used as an intermediate in organic synthesis.

What are the main uses of 2-methyl-1,4-dihydronaphthalene-1,4-dione (CAS: 58-27-5)?

2-Methyl-1,4-dihydronaphthalene-1,4-dione (CAS: 58-27-5) is primarily used in the pharmaceutical industry as a precursor for the synthesis of various drugs and dyes. It also finds applications in organic research for the development of new compounds and in industrial processes for the production of specialty chemicals. Its versatility makes it a valuable compound in multiple fields.

Is 2-methyl-1,4-dihydronaphthalene-1,4-dione (CAS: 58-27-5) safe?

2-Methyl-1,4-dihydronaphthalene-1,4-dione (CAS: 58-27-5) is generally considered safe when handled properly. However, it may cause skin and eye irritation, and prolonged exposure could pose health risks. Safety precautions include wearing protective gloves, goggles, and ensuring proper ventilation. It is important to follow OSHA and EPA guidelines for safe handling and disposal.

How should 2-methyl-1,4-dihydronaphthalene-1,4-dione (CAS: 58-27-5) be stored?

2-Methyl-1,4-dihydronaphthalene-1,4-dione (CAS: 58-27-5) should be stored in a cool, dry, and dark place, ideally at 2-8°C. It is best kept in a sealed, airtight container to prevent moisture and light exposure. Storage in a well-ventilated area is recommended to maintain stability and safety.