ChemicalBook >>3,4-Dichloronitrobenzene>>3,4-DCNB(99-54-7)

3,4-DCNB(99-54-7)

3,4-DCNB(99-54-7)
Product IdentificationBack to Contents
【Product Name】

3,4-DCNB
【Synonyms】

1-Nitro-3,4-dichlorobenzene
3,4-Dichloronitrobenzene
Benzene, 1,2-dichloro-4-nitro-
DCNB
【CAS】

99-54-7
【Formula】

C6H3Cl2NO2
【Molecular Weight】

192
【EINECS】

202-764-2
【RTECS】

CZ5250000
【RTECS Class】

Mutagen; Reproductive Effector; Primary Irritant
【Beilstein/Gmelin】

2210335
【Beilstein Reference】

0-10-00-00624
【EC Class】

harmful, irritant, dangerous for the environment
Physical and Chemical PropertiesBack to Contents
【Appearance】

Colorless to tan needle-like crystals.
【Solubility in water】

150 mg/L
【Melting Point】

38 - 41
【Boiling Point】

256
【Vapor Pressure】

.01
【Density】

1.4558 g/cm3 (20 C)
【Usage】

Chemical intermediate for herbicides (eg, propanil) and insecticides & dye intermediates.
【Vapor Density】

6.63
【Saturation Concentration】

18 ppm (0.0018%) at 20 C (calculated)
First Aid MeasuresBack to Contents
【Ingestion】

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
【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 cool, dry place. Store in a tightly closed container.
【Handling】

Wash thoroughly after handling. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Hazards IdentificationBack to Contents
【Ingestion】

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

May cause respiratory tract irritation.
【Skin】

Causes skin irritation.
【Eyes】

Causes eye irritation.
【Hazards】

Contact with metals may evolve flammable hydrogen gas.
【EC Risk Phrase】

R 20/21/22 33 36 51/53
【EC Safety Phrase】

S 26 36/37/39 61
【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】

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
【Poison Class】

2
Fire Fighting MeasuresBack to Contents
【Flash Point】

123
【Autoignition】

420
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
【Upper exp. limit】

8.4
【Lower exp. limit】

2.1
【Fire Potential】

This chemical is combustible.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal.
Stability and ReactivityBack to Contents
【Disposal Code】

3
【Stability】

Stable under normal temperatures and pressures.
【Incompatibilities】

Strong oxidizing agents, strong bases.
【Decomposition】

Hydrogen chloride, nitrogen oxides, carbon monoxide, carbon dioxide, nitrogen.
【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
【HS Code】

2904 90 85
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