Hazard UN
NO.
Risk R22;R36/37/38
Safety
Poison by ingestion. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Note: Irritant
Hazard Codes: 
Xn 
F 
Xi 
C
Risk Statements about 1,2-Naphthoquinone (CAS No.524-42-5):
R11:Highly flammable.
R22:Harmful if swallowed.
R34:Causes burns.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements about 1,2-Naphthoquinone (CAS No.524-42-5):
S16:Keep away from sources of ignition.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
Attention:
1. Storage: Store in a cool, dry place. Store in a tightly closed container
2. Handling: Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
