919778-41-9

919778-41-9 structure
919778-41-9 structure
  • Name: 1,2-Bis((R)-tert-butyl(methyl)phosphino)benzene
  • Chemical Name: tert-butyl-[2-[tert-butyl(methyl)phosphanyl]phenyl]-methylphosphane
  • CAS Number: 919778-41-9
  • Molecular Formula: C16H28P2
  • Molecular Weight: 282.34100
  • Create Date: 2016-01-31 12:19:39
  • Modify Date: 2024-01-08 13:43:05

Name tert-butyl-[2-[tert-butyl(methyl)phosphanyl]phenyl]-methylphosphane
Synonyms (S,S)-1,2-bis(tert-butylmethylphosphino)benzene
Phosphine,1,1'-(1,2-phenylene)bis[1-(1,1-dimethylethyl)-1-methyl
Molecular Formula C16H28P2
Molecular Weight 282.34100
Exact Mass 282.16700
PSA 27.18000
LogP 4.75760

Section 1: Product Identification
Chemical Name:(R,R)-(+)-1,2-Bis(t-butylmethylphosphino)benzene (R,R)-BenzP*
CAS Registry Number:919778-41-9
Formula:C16H28P2
EINECS Number:none
Chemical Family:phosphine ligand
Synonym:(R,R)-BenzP*

Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title compound919778-41-9100%no datano data

Section 3: Hazards Identification
Emergency Overview:Irritating to skin, eyes and respiratory tract.
Primary Routes of Exposure:Ingestion, inhalation, eyes
Eye Contact:Causes slight to mild 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 information available on the physiological effects of ingestion. May be harmful if swallowed.
Acute Health Affects:Irritating to skin, eyes and respiratory tract.
Chronic Health Affects:No information 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:no data
Autoignition Temperature:no data
Explosion Limits:no data
Extinguishing Medium:carbon dioxide, dry powder or foam
If this product is involved in a fire, fire fighters should be equipped with a 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 irritating fumes.
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
Store in a tightly sealed container under an inert atmosphere of nitrogen or argon. Keep in a cool, dry,
Handling and Storage:
well-ventilated place.

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: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: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:282.34
Melting Point:125-126°
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
Hazardous Polymerization:no hazardous polymerization
Conditions to Avoid:prolonged exposure to air
Incompatibility:strong oxidizing agents
Decomposition Products:carbon monoxide, carbon dioxide, phosphorus oxides, and 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 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):Not reportable under SARA 313
Second Ingredient:none


SECTION 16 - ADDITIONAL INFORMATION
N/A
Hazard Codes Xi