| Name: | Tris(hydroxymethyl)phosphine Material Safety Data Sheet | 
| Synonym: |  | 
| CAS: | 2767-80-8 | 
 
 Section 1 - Chemical Product 
  
 MSDS Name:Tris(hydroxymethyl)phosphine Material Safety Data Sheet 
 Synonym:  
 
 
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS 
| CAS# | Chemical Name | content | EINECS# | 
| 2767-80-8 | Tris(hydroxymethyl)phosphine |  | 220-445-6 | 
 Hazard Symbols: T 
 Risk Phrases: 25 36/37/38  
 
 
Section 3 - HAZARDS IDENTIFICATION 
  
 EMERGENCY OVERVIEW
 Toxic if swallowed. Irritating to eyes, respiratory system and skin.
 Potential Health Effects
 Eye:
 Causes eye irritation.
 Skin:
 Causes skin irritation. May be harmful if absorbed through the skin.
 Ingestion:
 May cause irritation of the digestive tract. Toxic if swallowed.
 Inhalation:
 Causes respiratory tract irritation. May be harmful if inhaled.
 Chronic:
 Not available. 
 
 
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. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
 Ingestion:
 Get medical aid immediately. Wash mouth out with water.
 Inhalation:
 Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
 Notes to Physician:
 Treat symptomatically and supportively. 
 
 
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.
 Extinguishing Media:
 Use water spray, dry chemical, carbon dioxide, or chemical foam. 
 
 
Section 6 - ACCIDENTAL RELEASE MEASURES 
  
 General Information: Use proper personal protective equipment as indicated in Section 8.
 Spills/Leaks:
 Vacuum or sweep up material and place into a suitable disposal container. 
 
 
Section 7 - HANDLING and STORAGE 
  
 Handling:
 Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
 Storage:
 Store in a cool, dry place. Store in a tightly closed container. 
 
 
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# 2767-80-8: Personal Protective Equipment Eyes: Not available.
 Skin:
 Wear appropriate protective gloves to prevent skin exposure.
 Clothing:
 Wear appropriate protective clothing to prevent skin exposure.
 Respirators:
 Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. 
 
 
Section 9 - PHYSICAL AND CHEMICAL PROPERTIES 
  
  Physical State: Solid
 Color: colorless
 Odor: Not available.
 pH: Not available.
 Vapor Pressure: Not available.
 Viscosity: Not available.
 Boiling Point: Not available.
 Freezing/Melting Point: Not available.
 Autoignition Temperature: Not available.
 Flash Point: Not available.
 Explosion Limits, lower: Not available.
 Explosion Limits, upper: Not available.
 Decomposition Temperature:
 Solubility in water: Insoluble.
 Specific Gravity/Density:
 Molecular Formula: C3H9O3P
 Molecular Weight: 124.08 
 
 
Section 10 - STABILITY AND REACTIVITY 
  
 Chemical Stability:
 Not available.
 Conditions to Avoid:
 Incompatible materials.
 Incompatibilities with Other Materials:
 Oxidizing agents, halogens, oxygen.
 Hazardous Decomposition Products:
 Carbon monoxide, oxides of phosphorus, carbon dioxide, formaldehyde.
 Hazardous Polymerization: Will not occur. 
 
 
Section 11 - TOXICOLOGICAL INFORMATION 
  
 RTECS#:
 CAS# 2767-80-8: PC3502500 LD50/LC50:
 CAS# 2767-80-8: Draize test, rabbit, eye: 100 uL/24H Severe; Draize test, rabbit, skin: 500 uL/24H Severe; Oral, rat: LD50 = 178 mg/kg.
 Carcinogenicity:
 Tris(hydroxymethyl)phosphine - 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: TOXIC SOLID, ORGANIC, N.O.S.*
 Hazard Class: 6.1
 UN Number: 2811
 Packing Group: III
 IMO
 Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.
 Hazard Class: 6.1
 UN Number: 2811
 Packing Group: III
 RID/ADR
 No information available. 
 
 
Section 15 - REGULATORY INFORMATION 
  
  European/International Regulations
 European Labeling in Accordance with EC Directives
 Hazard Symbols: T
 Risk Phrases:
 R 25 Toxic if swallowed.
 R 36/37/38 Irritating to eyes, respiratory system
 and skin.
 Safety Phrases:
 S 26 In case of contact with eyes, rinse immediately
 with plenty of water and seek medical advice.
 S 37/39 Wear suitable gloves and eye/face
 protection.
 WGK (Water Danger/Protection)
 CAS# 2767-80-8: No information available.
 Canada
 CAS# 2767-80-8 is listed on Canada's DSL List.
 CAS# 2767-80-8 is not listed on Canada's Ingredient Disclosure List.
 US FEDERAL
 TSCA
 CAS# 2767-80-8 is listed on the TSCA inventory. 
 SECTION 16 - ADDITIONAL INFORMATION N/A