Triethylamine
CAS No.: 121-44-8
Synonyms:
Formula: C6H15N
Exact Mass: 101.12000
Molecular Weight: 101.19000
PSA: 3.24000
LogP: 1.34810
Triethylamine 121-44-8 MSDS
Name: Terephthaldehyde monodiethylacetal 97% stabilized with 0.1% Material Safety Data Sheet
Synonym: 4-(Diethoxymethyl)benzaldehyde
CAS: 121-44-8
Section 1 - Chemical Product   MSDS Name:Terephthaldehyde monodiethylacetal 97% stabilized with 0.1% Material Safety Data Sheet
Synonym:4-(Diethoxymethyl)benzaldehyde

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
121-44-8 Triethylamine 0.1 204-469-4
Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Hygroscopic (absorbs moisture from the air).The toxicological properties of this material have not been fully investigated.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated.
Inhalation:
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
  Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid immediately. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Wash clothing before reuse.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Notes to Physician:

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. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media:
In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.

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. Clean up spills immediately, observing precautions in the Protective Equipment section. Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Use with adequate ventilation.
Storage:
Keep container closed when not in use. Store in a tightly closed container. Store protected from moisture. Store in a cool, dry area away from incompatible substances.

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 ventilation to keep airborne concentrations low.
Exposure Limits CAS# 121-44-8: United Kingdom, WEL - TWA: 2 ppm TWA; 8 mg/m3 TWA United Kingdom, WEL - STEL: 4 ppm STEL; 17 mg/m3 STEL United States OSHA: 25 ppm TWA; 100 mg/m3 TWA Belgium - TWA: 1 ppm VLE; 4.2 mg/m3 VLE Belgium - STEL: 3 ppm VLE; 12.6 mg/m3 VLE France - VLE: 10 ppm VLE; 40 mg/m3 VLE Germany: 1 ppm TWA; 4.2 mg/m3 TWA Germany: Skin absorber Malaysia: 1 ppm TWA; 4.1 mg/m3 TWA Netherlands: 10 ppm STEL; 40 mg/m3 STEL Netherlands: 5 ppm MAC; 20 mg/m3 MAC Russia: 10 mg/m3 TWA Spain: 2 ppm VLA-ED; 8.4 mg/m3 VLA-ED Spain: 3 ppm VLA-EC; 12.6 mg/m3 VLA-EC CAS# 81172-89-6: Personal Protective Equipment 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 gloves to prevent skin exposure.
Clothing:
Wear appropriate clothing to prevent skin exposure.
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 respirator use.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Liquid
Color: clear, colorless
Odor: None reported.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 89 - 93 deg C @ 0.7 mmHg
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: > 112 deg C (> 233.60 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: decomposes
Specific Gravity/Density: 1.04 g/cm3
Molecular Formula: C12H16O3
Molecular Weight: 208.26

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Moisture, excess heat.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong acids.
Hazardous Decomposition Products:
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 121-44-8: YE0175000 CAS# 81172-89-6 unlisted.
LD50/LC50:
CAS# 121-44-8: Inhalation, mouse: LC50 = 6 gm/m3; Oral, mouse: LD50 = 546 mg/kg; Oral, rat: LD50 = 460 mg/kg; Skin, rabbit: LD50 = 570 uL/kg.
CAS# 81172-89-6.
Carcinogenicity:
Triethylamine - Not listed by ACGIH, IARC, or NTP.
Terephthaldehyde monodiethylacetal - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
 

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

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing Group:
IMO
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing Group:
RID/ADR
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing group:
USA RQ: CAS# 121-44-8: 5000 lb final RQ; 2270 kg final RQ

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 121-44-8: 1
CAS# 81172-89-6: No information available.
Canada
CAS# 121-44-8 is listed on Canada's DSL List.
CAS# 121-44-8 is listed on Canada's Ingredient Disclosure List.
CAS# 81172-89-6 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 121-44-8 is listed on the TSCA inventory.
CAS# 81172-89-6 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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