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N,N-Diethyl-1,4-phenylenediamine(93-05-0)

N,N-Diethyl-1,4-phenylenediamine(93-05-0)
Product IdentificationBack to Contents
【Product Name】

N,N-Diethyl-1,4-phenylenediamine
【Synonyms】

4-Amino-N,N-diethylaniline
Diethylaminoaniline
Hept-1-yn-3-ol
N,N-Diethyl-4-aminoaniline
p-(Diethylamino)aniline
p-Aminodiethylaniline
p-Amino-N,N-diethylaniline
【CAS】

7383-19-9
【CAS】

93-05-0
【Formula】

C10H16N2
【Formula】

C7H12O
【Molecular Weight】

112.17
【Molecular Weight】

164.25
【EINECS】

202-214-1
【RTECS】

SS9275000
【RTECS Class】

Mutagen; Human Data; Primary Irritant
【Beilstein/Gmelin】

2322048
【Beilstein/Gmelin】

1740804
【Beilstein Reference】

3-06-00-00094
【Beilstein Reference】

4-01-00-02245
【EC Index Number】

612-080-00-X
【EC Class】

Toxic; Corrosive
Physical and Chemical PropertiesBack to Contents
【Appearance】

Colorless liquid, also reported as brown-black low-melting solid.
【Solubility in water】

Insoluble
【Melting Point】

23
【Boiling Point】

260
【Boiling Point】

161.5 - 162.5
【Density】

0.87 g/cm3 (20 C)
【Density】

0.988 g/cm3 (20 C)
【pKa/pKb】

5.79 (pKb)
【Usage】

Dye intermediate, source of diazonium compd in diazo copying process.
【Vapor Density】

5.66
【Refractive Index】

1.44 (20 C)
First Aid MeasuresBack to Contents
【Ingestion】

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

Seek medical assistance.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. DO NOT use mouth-to-mouth respiration.
【Inhalation】

May cause irritation or burns.
【Inhalation】

Move victim to fresh air. Apply artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult.
【Skin】

See Inhalation.
【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.
【Skin】

Remove and isolate contaminated clothing and shoes. Wash skin with soap and water. Flush with running water for at least 20 minutes
【Eyes】

See Inhalation.
【Eyes】

Flush with running water for at least 20 minutes.
【Eyes】

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

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Do not expose to air. Store protected from light. Store under an inert atmosphere.
【Handling】

Wash thoroughly after handling. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation. Store protected from light. Handle under an inert atmosphere. Store protected from air. Wash clothing before reuse.
Hazards IdentificationBack to Contents
【Inhalation】

Causes respiratory tract irritation. Methemoglobinemia is characterized by dizziness, drowsiness, headache, breath shortness, cyanosis with bluish skin, rapid heart rate and chocolate-brown blood. Can produce delayed pulmonary edema. Inhalation of aniline causes anoxia due to the formation of methemoglobinemia.
【Skin】

Causes skin irritation. May be absorbed through the skin. Systemic effects by skin contact include hemorrhage and allergic dermatitis. Amines have been known to cause skin irritation and sensitization.
【Eyes】

Causes eye irritation. May cause chemical conjunctivitis.
【Ingestion】

Harmful if swallowed. May cause gastrointestinal irritation with nausea, vomiting and diarrhea. Methemoglobinemia is characterized by dizziness, drowsiness, headache, breath shortness, cyanosis with bluish skin, rapid heart rate and chocolate-brown colored blood. Overexposure may cause methemoglobinemia. May cause central nervous system effects.
【Hazards】

Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers.
【EC Risk Phrase】

R 25 34
【EC Safety Phrase】

S 23 24/25
【EC Safety Phrase】

S 26 36 45
【UN (DOT)】

1987
【UN (DOT)】

2733
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.
【Personal Protection】

Wear appropriate protective gloves, clothing and goggles.
【Respirators】

Wear positive pressure self-contained breathing apparatus (SCBA).
【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.
【Exposure Effects】

May cause methemoglobinemia, which is characterized by chocolate-brown colored blood, headache, weakness, dizziness, breath shortness, cyanosis, rapid heart rate, unconsciousness and possible death. Effects may be delayed.
Fire Fighting MeasuresBack to Contents
【Flash Point】

139
【Flash Point】

59
【Autoignition】

460
【Fire Fighting】

Use of water spray when fighting fire may be inefficient. Small Fires: Dry chemical, carbon dioxide, water spray or alcohol-resistant foam. Large Fires: Water spray, fog or alcohol-resistant foam. Use water spray or fog; do not use straight streams.
【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. Use water spray to keep fire-exposed containers cool. Water may be ineffective. Material is lighter than water and a fire may be spread by the use of water. Extinguishing media: Water may be ineffective. Use agent most appropriate to extinguish fire. Cool containers with flooding quantities of water until well after fire is out. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
【Fire Potential】

HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
【Fire Potential】

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

Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, using the appropriate protective equipment. Remove all sources of ignition. Provide ventilation. Place under an inert atmosphere.
【Small spills/leaks】

Make no contact with the spilled material. ELIMINATE all ignition sources and ground all equipment. Stop leak if you can do it without risk. A vapor suppressing foam may be used to reduce vapors. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. Use clean non-sparking tools to collect absorbed material.
Stability and ReactivityBack to Contents
【Disposal Code】

9
【Incompatibilities】

Air, strong acids, strong oxidizing agents.
【Stability】

Stable at room temperature in closed containers under normal storage and handling conditions.
【Decomposition】

Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
【Combustion Products】

Fire may produce irritating, corrosive and/or toxic gases.
【Combustion Products】

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

1987
【UN Number】

2733
【Hazard Class】

3
【Packing Group】

I; II; III
【HS Code】

2921 51 90
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