149646-83-3

149646-83-3 structure
149646-83-3 structure

Name 6,6'-[[(1r,3r)-1,3-dimethyl-1,3-propanediyl]bis(oxy)]bis[4,8-bis(t-butyl)-2,10-dimethoxy-bibenzo[d,f][1,3,2]dioxaphosphepin
Synonyms (R,R)-CHIRAPHITE
(2R,4R)-chirapite
(2R,4R)-Chiraphite
(2R,4R)-di[2,2'-(3,3'-di-tert-butyl-5,5'-dimethoxy-1,1-biphenyl)]-2,4-pentyldiphosphite
Molecular Formula C49H66O10P2
Molecular Weight 876.99000
Exact Mass 876.41300
PSA 107.94000
LogP 14.84230

Section 1: Product Identification
(+)-6,6'-{[(1R,3R)-1,3-Dimethyl-1,3-propanediyl]bis(oxy)}bis[4,8-bis(t-butyl)-2,10-dimethoxy-bibenzo[d,f][1,3,2]d
Chemical Name:
ioxaphosphepin], min. 95% (R,R)-Chiraphite
CAS Registry Number:149646-83-3
Formula:C49H66O10P2
EINECS Number:none
Chemical Family:organophosphine ligand
Synonym:(R,R)-Chiraphite

Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title compound149646-83-3100%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:Inhalation, skin, eyes
Eye Contact:Causes slight to mild irritation of the eyes.
Skin Contact:Causes slight to mild irritation of the skin.
Inhalation:Dust is irritating to the nose, mucous membranes and respiratory tract.
Ingestion:No specific information is available on the physiological effects of ingestion. May be harmful if swallowed.
Acute Health Affects:Irritating to skin, eyes and respiratory tract. May be harmful if swallowed.
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 soap and water. Remove contaminated clothes if necessary. Seek medical
Skin Exposure:
assistance if 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:no data
Autoignition Temperature:no data
Explosion Limits:no data
Extinguishing Medium:carbon dioxide, dry powder or foam
If involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self-contained
Special Fire Fighting Procedures:
breathing apparatus and full protective clothing.
Hazardous Combustion andIf involved in a fire this material may emit toxic organic fumes, carbon monoxide and carbon dioxide.
Decomposion Products:
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.

SECTION 6: Accidental Release Measures
Spill and Leak Procedures:Small spills can be mixed with vermiculite or sodium carbonate and swept up.

SECTION 7: Handling and Storage
The material will degrade on prolonged exposure to air and moisture. Store and handle under an inert
Handling and Storage:
atmosphere of nitrogen or argon. Keep bottle tightly sealed and away from heat and direct sunlight.

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.
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:off-white powder
Molecular Weight:876.99
Melting Point:no data
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 sensitive, moisture sensitive
Hazardous Polymerization:No hazardous polymerization
Conditions to Avoid:contact with air. This material may degrade on prolonged exposure to air.
Incompatibility:strong oxidizing agents, air, moisture and halogens
Decomposition Products:carbon monoxide, carbon dioxide, phosphorous pentoxide, organic fumes

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

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
Hazard Codes Xi
Risk Phrases R36/37/38
Safety Phrases S26

~42%

149646-83-3 structure

149646-83-3

Literature: Buisman, Godfried J. H.; Vos, Eric J.; Kamer, Paul C. J.; Leeuwen, Piet W. N. M. van Journal of the Chemical Society, Dalton Transactions: Inorganic Chemistry (1972-1999), 1995 , # 3 p. 409 - 418

~%

149646-83-3 structure

149646-83-3

Literature: Buisman, Godfried J. H.; Vos, Eric J.; Kamer, Paul C. J.; Leeuwen, Piet W. N. M. van Journal of the Chemical Society, Dalton Transactions: Inorganic Chemistry (1972-1999), 1995 , # 3 p. 409 - 418
Precursor  3

DownStream  0