1,4-萘醌

1,4-Naphthoquinone is used as a strong dienophile in Diels-Alder reaction. It is also used as a precursor to anthroquinone and 5-nitro-1,4-naphthalenedione, which finds application in the preparation of aminoanthroquinone and is also used as a dye precursor. It is a basic component of Vitamin K.

Light sensitive. Incompatible with strong oxidizing agents and strong reducing agents.

MFCD00001676

204-977-6

C₁₀H₆O₂

158.15

120-124°

142°(288°F)

1.420

Ambient temperatures.

Powder

Soluble in alkali hydroxide solvents, sparingly soluble in petroleum ether and water. Freely soluble in carbondioxide, acetic acid, benzene and choloroform.

878524

14,6395

I

24/25-26-36/37/38-43-50
Toxic in contact with skin and if swallowed.Very toxic by inhalation.Irritating to eyes, respiratory system and skin.May cause sensitization by skin contact.Very toxic to aquatic organisms.

6.1

4-9-20-26-27/28-36/37-45-57
Keep away from living quarters.Keep container in a well-ventilated place.When using do not eat or drink.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.After contact with skin, take off immediately all contaminated clothing, and wash immediately with plenty of ... (to be specified by the manufacturer).Wear suitable protective clothing and gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).Use appropriate container to avoid environmental contamination.

QL7175000

  

是

  

H301-H311-H330-H315-H319-H317-H335-H400
Toxic if swallowed.Toxic in contact with skin.Fatal if inhaled.Causes skin irritation.Causes serious eye irritation.May cause an allergic skin reaction.May cause respiratory irritation.Very toxic to aquatic life.

P301+P310a-P304+P340-P305+P351+P338-P320-P330-P405-P501a
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.Specific treatment is urgent (see label).Rinse mouth.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.