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N,N-dimethylaniline 121-69-7 MSDS
Name: N N-Dimethylaniline Material Safety Data Sheet
Synonym: N,N-Dimethylbenzeneamine; Dimethylphenylamine; DMA
CAS: 121-69-7
Section 1 - Chemical Product   MSDS Name:N N-Dimethylaniline Material Safety Data Sheet
Synonym:N,N-Dimethylbenzeneamine; Dimethylphenylamine; DMA

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
121-69-7 N,N-Dimethylaniline 99 204-493-5
Hazard Symbols: T N
Risk Phrases: 23/24/25 40 51/53

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Toxic by inhalation, in contact with skin and if swallowed. Limited evidence of a carcinogenic effect. Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Potential Health Effects
Eye:
May cause severe eye irritation. May result in corneal injury.
Skin:
Causes skin irritation. May be absorbed through the skin in harmful amounts.
Ingestion:
May be fatal if swallowed. May cause methemoglobinemia, cyanosis (bluish discoloration of skin due to deficient oxygenation of the blood), convulsions, and death. May cause central nervous system depression.
Inhalation:
Causes respiratory tract irritation. May cause effects similar to those described for ingestion. Methemoglobinemia is characterized by dizziness, drowsiness, headache, shortness of breath, cyanosis (bluish discoloration of skin due to deficient oxygenation of the blood), rapid heart rate and chocolate-brown blood. Inhalation of aniline causes anoxia due to the formation of methemoglobin.
Chronic:
May cause methemoglobinemia, which is characterized by chocolate-brown colored blood, headache, weakness, dizziness, breath shortness, cyanosis (bluish skin due to deficient oxygenation of blood), rapid heart rate, unconsciousness and possible death.
Exposure to large doses may cause central nervous system depression.

Section 4 - FIRST AID MEASURES
  Eyes: In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Get medical aid immediately.
Skin:
In case of contact, immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Get medical aid immediately. Wash clothing before reuse.
Ingestion:
POISON material. If swallowed, get medical aid immediately. Only induce vomiting if directed to do so by medical personnel. Never give anything by mouth to an unconscious person.
Inhalation:
If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
For methemoglobinemia, administer oxygen alone or with Methylene Blue depending on the methemoglobin concentration in the blood.

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Water runoff can cause environmental damage. Dike and collect water used to fight fire. 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. Combustible liquid and vapor.
Vapors are heavier than air and may travel to a source of ignition and flash back. Vapors can spread along the ground and collect in low or confined areas.
Extinguishing Media:
Water may be ineffective. For small fires, use dry chemical, carbon dioxide, or water spray. For large fires, use dry chemical, carbon dioxide, alcohol-resistant foam, or water spray.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Avoid runoff into storm sewers and ditches which lead to waterways. Remove all sources of ignition. Use a spark-proof tool. Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Wash hands before eating. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Ground and bond containers when transferring material.
Do not get in eyes, on skin, or on clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames. Keep away from heat and flame. Avoid breathing vapor or mist.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Do not store in metal containers. Store protected from light and air. Isolate from oxidizing materials and acids.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits.
Exposure Limits CAS# 121-69-7: United Kingdom, WEL - TWA: 5 ppm TWA; 25 mg/m3 TWA United Kingdom, WEL - STEL: 10 ppm STEL; 50 mg/m3 STEL United States OSHA: 5 ppm TWA; 25 mg/m3 TWA Belgium - TWA: 5 ppm VLE; 25 mg/m3 VLE Belgium - STEL: 10 ppm VLE; 51 mg/m3 VLE France - VME: 5 ppm VME; 25 mg/m3 VME Germany: 5 ppm TWA; 25 mg/m3 TWA Germany: Skin absorber Japan: 5 ppm OEL; 25 mg/m3 OEL Malaysia: 5 ppm TWA; 25 mg/m3 TWA Netherlands: 1 ppm MAC; 5 mg/m3 MAC Russia: 0.2 mg/m3 TWA Spain: 5 ppm VLA-ED; 25 mg/m3 VLA-ED Spain: 10 ppm VLA-EC; 50 mg/m3 VLA-EC Personal Protective Equipment Eyes: Wear chemical splash goggles.
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 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Liquid
Color: yellow - oily
Odor: amine-like
pH: Not available.
Vapor Pressure: 0.7 mm Hg @ 25 deg C
Viscosity: 1.3 cps @ 25 deg C
Boiling Point: 194 deg C
Freezing/Melting Point: 2.45 deg C
Autoignition Temperature: 371 deg C ( 699.80 deg F)
Flash Point: 63 deg C ( 145.40 deg F)
Explosion Limits, lower: 1.0%
Explosion Limits, upper: 7.0%
Decomposition Temperature: > 400 deg C
Solubility in water: Insoluble.
Specific Gravity/Density: 0.956
Molecular Formula: C8H11N
Molecular Weight: 121.18

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures. Darkens on exposure to light and air.
Conditions to Avoid:
Light, ignition sources, prolonged exposure to air.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong acids, carbon steel.
Hazardous Decomposition Products:
Carbon monoxide, oxides of nitrogen, carbon dioxide, aniline.
Hazardous Polymerization: Will not occur.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 121-69-7: BX4725000 LD50/LC50:
CAS# 121-69-7: Dermal, guinea pig: LD50 = >20 mL/kg; Draize test, rabbit, eye: 20 mg/24H Moderate; Draize test, rabbit, skin: 500 mg/24H Mild; Oral, rat: LD50 = 951 mg/kg; Skin, rabbit: LD50 = 1770 uL/kg.
Oral, human: LDLo = 50 mg/kg.
Carcinogenicity:
N,N-Dimethylaniline - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
  Other No information available.

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: N,N-DIMETHYLANILINE
Hazard Class: 6.1
UN Number: 2253
Packing Group: II
IMO
Shipping Name: N,N-DIMETHYLANILINE
Hazard Class: 6.1
UN Number: 2253
Packing Group: II
RID/ADR
Shipping Name: N,N-DIMETHYLANILINE
Hazard Class: 6.1
UN Number: 2253
Packing group: II
USA RQ: CAS# 121-69-7: 100 lb final RQ; 45.4 kg final RQ

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T N
Risk Phrases:
R 23/24/25 Toxic by inhalation, in contact with skin
and if swallowed.
R 40 Limited evidence of a carcinogenic effect.
R 51/53 Toxic to aquatic organisms, may cause
long-term adverse effects in the aquatic environment.
Safety Phrases:
S 28A After contact with skin, wash immediately with
plenty of water.
S 36/37 Wear suitable protective clothing and
gloves.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
S 61 Avoid release to the environment. Refer to
special instructions/safety data sheets.
WGK (Water Danger/Protection)
CAS# 121-69-7: 2
Canada
CAS# 121-69-7 is listed on Canada's DSL List.
CAS# 121-69-7 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 121-69-7 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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