28926-65-0

28926-65-0 structure
28926-65-0 structure

Name 1,1,1-Tris(diphenylphosphino)methane
Synonyms bis(diphenylphosphanyl)methyl-diphenylphosphane
Boiling Point 653.2ºC at 760 mmHg
Melting Point 168-172ºC
Molecular Formula C37H31P3
Molecular Weight 568.56300
Flash Point 372.5ºC
Exact Mass 568.16400
PSA 40.77000
LogP 7.66870
Vapour Pressure 3.2E-16mmHg at 25°C

Section 1: Product Identification
Chemical Name:1,1,1-Tris(diphenylphosphino)methane, 97%
CAS Registry Number:28926-65-0
Formula:HC[P(C6H5)2]3
EINECS Number:none
Chemical Family:organophosphine ligand
Synonym:none

Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title Compound28926-65-0100%no datano data

Section 3: Hazards Identification
Emergency Overview:Irritating to the respiratory tract, skin and eyes. May be harmful if swallowed.
Primary Routes of Exposure:Ingestion, eyes, inhalation
Eye Contact:Causes moderate irritation of the eyes.
Skin Contact:Causes slight to mild irritation of the skin.
Inhalation:Irritating to the nose, mucous membranes and respiratory tract.
Ingestion:No specific information is available on the physiological effects of ingestion.
Acute Health Affects:Irritating to skin, eyes and respiratory tract.
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
Inhalation:
in 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:not applicable
Autoignition Temperature:no data
Explosion Limits:no data
Extinguishing Medium:dry chemical, carbon dioxide, water, or foam.
Fire fighters should be equipped with a NIOSH approved positive pressure self-contained breathing apparatus
Special Fire Fighting Procedures:
and full protective clothing.
Hazardous Combustion andIn a fire material may emit toxic organic fumes, carbon monoxide, carbon dioxide, and phosphorous pentoxide.
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 in a cool, dry, area away from heat. Material must be handled and stored under an inert atmosphere of
Handling and Storage:
nitrogen or argon.

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 protective clothing and gloves. Consult with glove manufacturer to determine the proper type of glove.
Ventilation:Material may form a fine dust. 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 Respirator
Respirator:
Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation:Material may form a fine dust. 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:white xtl.
Molecular Weight:568.58
Melting Point:168-172°
Boiling Point:no data
Vapor Pressure:no data
Specific Gravity:no data
Odor:none
Solubility in Water:insoluble

SECTION 10: Stability and Reactivity
Stability:air and moisture stable
Hazardous Polymerization:no hazardous polymerization
Conditions to Avoid:none
Incompatibility:oxidizing agents and halogens
Decomposition Products:carbon dioxide, carbon monoxide, organic fumes, and phosphorus pentoxide.

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 federal, state, and local 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
Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
RIDADR NONH for all modes of transport

~54%

28926-65-0 structure

28926-65-0

Literature: Schmidbaur, Hubert; Stuetzer, Albert; Herdtweck, Eberhardt Chemische Berichte, 1991 , vol. 124, # 5 p. 1095 - 1100

~%

28926-65-0 structure

28926-65-0

Literature: Schmidbaur, Hubert; Stuetzer, Albert; Herdtweck, Eberhardt Chemische Berichte, 1991 , vol. 124, # 5 p. 1095 - 1100

~%

28926-65-0 structure

28926-65-0

Literature: Appel,R. et al. Chemische Berichte, 1979 , vol. 112, p. 1093 - 1095