68959-87-5

68959-87-5 structure
68959-87-5 structure
  • Name: TRIS(I-PROPYLCYCLOPENTADIENYL)LANTHANUM
  • Chemical Name: lanthanum,5-propan-2-ylcyclopenta-1,3-diene,propan-2-ylcyclopentane
  • CAS Number: 68959-87-5
  • Molecular Formula: C24H33La
  • Molecular Weight: 460.42400
  • Create Date: 2018-12-29 16:56:48
  • Modify Date: 2025-08-20 19:40:35

Name lanthanum,5-propan-2-ylcyclopenta-1,3-diene,propan-2-ylcyclopentane
Synonyms MFCD00145482
Boiling Point 180-195ºC
Molecular Formula C24H33La
Molecular Weight 460.42400
Flash Point 13.9ºC
Exact Mass 460.16500
LogP 6.57540

Section 1: Product Identification
Chemical Name:Tris(i-propylcyclopentadienyl)lanthanum (99.9%-La) (REO)
CAS Registry Number:68959-87-5
Formula:(C3H7C5H4)3La
EINECS Number:none
Chemical Family:metallocene
Synonym:Lanthanum tri(i-propylcyclopentadienide)

Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title Compound68959-87-5100%no datano data

Section 3: Hazards Identification
Emergency Overview:Irritating to skin and eyes. May be harmful if swallowed.
Primary Routes of Exposure:Ingestion, inhalation
Eye Contact:Causes slight to mild irritation of the eyes.
Skin Contact:Causes slight to mild irritation of the skin.
Inhalation:May cause irritation to the nose, mucous membranes and respiratory tract.
Ingestion:No information available on the effects of ingestion.
Acute Health Affects:Irritating to skin and eyes.
Chronic Health Affects:No information available on long-term chronic effects.
NTP:No
IARC:No
OSHA:No

SECTION 4: First Aid Measures
Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
Eye Exposure:
assistance in keeping their eye lids open. Get immediate medical attention.
Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if
Skin Exposure:
irritation persists.
Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty in
Inhalation:
breathing, coughing, wheezing or pain. In such cases seek immediate medical assistance.
Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
Ingestion:
vomiting only if directed by medical personnel.

SECTION 5: Fire Fighting Measures
Flash Point:no data
Autoignition Temperature:none
Explosion Limits:none
Extinguishing Medium:carbon dioxide or dry powder
If this product is involved in a fire, firefighters should be equipped with NIOSH approved positive pressure
Special Fire Fighting Procedures:
self-contained breathing apparatus and full protective clothing.
Hazardous Combustion andIf involved in a fire this material may emit toxic organic fumes.
Decomposion Products:
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.

SECTION 6: Accidental Release Measures
Small spills can be mixed with vermiculite, sodium carbonate or other suitable non-combustible adsorbent and
Spill and Leak Procedures:
swept up.

SECTION 7: Handling and Storage
Store and handle the material under an inert atmosphere of dry nitrogen or argon. Keep away from heat, air
Handling and Storage:
and moisture.

SECTION 8: Exposure Controls and Personal Protection
Eye Protection:Always wear approved safety glasses when handling a chemical substance in the laboratory.
Skin Protection:Wear appropriate chemical resistant gloves and protective clothing.
Ventilation:If possible, handle the material in an efficient fume hood.
If ventilation is not available a respirator should be worn. The use of respirators requires a Respiratory
Respirator:
Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation:If possible, handle the material in an efficient fume hood.
Additional Protection:No additional protection required.

SECTION 9: Physical and Chemical Properties
Color and Form:colorless to pale yellow liquid
Molecular Weight:460.43
Melting Point:no data
Boiling Point:180-195°C (0.02mm)
Vapor Pressure:no data
Specific Gravity:no data
Odor:none
Solubility in Water:insoluble

SECTION 10: Stability and Reactivity
Stability:air sensitive, moisture sensitive
Hazardous Polymerization:no hazardous polymerization
Conditions to Avoid:Air and Moisture
Incompatibility:halogens and oxidizing agents
Decomposition Products:carbon dioxide, carbon monoxide, lanthanum oxide and organic fumes.

SECTION 11: Toxicological Information
RTECS Data:No information available in the RTECS files.
Carcinogenic Effects:no data available
Mutagenic Effects:no data available
Tetratogenic Effects:no data available

SECTION 12: Ecological Information
Ecological Information:No information available

SECTION 13: Disposal Considerations
Disposal:Dispose of according to local, state and federal regulations.

SECTION 14: Transportation
Shipping Name (CFR):Non-hazardous
Hazard Class (CFR):NA
Additional Hazard Class (CFR):NA
Packaging Group (CFR):NA
UN ID Number (CFR):NA
Shipping Name (IATA):Non-hazardous
Hazard Class (IATA):NA
Additional Hazard Class (IATA):NA
Packaging Group (IATA):NA
UN ID Number (IATA):NA

SECTION 15: Regulatory Information
TSCA:Not listed in the TSCA inventory.
SARA (Title 313):Title compound not listed.
Second Ingredient:none


SECTION 16 - ADDITIONAL INFORMATION
N/A
Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
RIDADR UN3181
Packaging Group III
Hazard Class 4.1
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