ChemicalBook >>5-Hydroxy-1,4-naphthalenedione>>Juglone(481-39-0)

Juglone(481-39-0)

Juglone(481-39-0)
Product IdentificationBack to Contents
【Product Name】

Juglone
【Synonyms】

1,4-Dihydro-1,4-dioxo-5-hydroxynaphthalene
5-Hydroxy-1,4-naphthoquinone
5-Hydroxynaphthoquinone
C.I. 75500
Juglon
Walnut Extract
【CAS】

481-39-0
【Formula】

C10H6O3
【Molecular Weight】

174.15
【EINECS】

207-567-5
【RTECS】

QJ5775000
【RTECS Class】

Tumorigen; Drug; Mutagen; Natural Product
【Merck】

12,5282
【Beilstein/Gmelin】

1909764
【Beilstein Reference】

4-08-00-02368
Physical and Chemical PropertiesBack to Contents
【Appearance】

Brown - orange crystalline powder.
【Solubility in water】

Insoluble
【Melting Point】

164 - 165
【Density】

1.47 g/cm3
【pKa/pKb】

6.96 (pKa)
【Partition Coefficient】

1.92
【Usage】

Textile dye.
【Vapor Density】

6
First Aid MeasuresBack to Contents
【Ingestion】

Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
【Inhalation】

Get medical aid immediately. Remove from exposure to fresh air immediately. If breathing is difficult, give oxygen. Do not use mouth-to-mouth respiration if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device.
【Skin】

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Handling and StorageBack to Contents
【Storage】

Store in a tightly closed container. Store in a cool, dry area away from incompatible substances.
【Handling】

Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Do not ingest or inhale. Use only in a chemical fume hood.
Hazards IdentificationBack to Contents
【Ingestion】

Harmful if swallowed. May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
【Inhalation】

May cause respiratory tract irritation.
【Skin】

May cause skin irritation.
【Eyes】

May cause eye irritation.
【Hazards】

Contact with metals may evolve flammable hydrogen gas.
【UN (DOT)】

2811
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
Fire Fighting MeasuresBack to Contents
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
【Fire Potential】

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
Stability and ReactivityBack to Contents
【Stability】

Stable under normal temperatures and pressures.
【Incompatibilities】

Strong oxidizing agents, strong reducing agents, strong bases.
【Decomposition】

Carbon monoxide, carbon dioxide.
【Combustion Products】

Fire may produce irritating, corrosive and/or toxic gases.
Transport InformationBack to Contents
【UN Number】

2811
【Hazard Class】

6.1
【Packing Group】

I; II; III
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