Synonym:Dichlorotetrakis(dimethyl sulfoxide)ruthenium (II), Dichlorotetrakis(methylsulfoxide)ruthenium

---

Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title Compound11070-19-2100%no datano data

---

Section 3: Hazards Identification
Emergency Overview:Irritating to skin, eyes and respiratory tract. Possible risk of irreversible effects.
Primary Routes of Exposure:Ingestion, 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:Ingestion may lead to dizziness, abdominal cramps, and vomiting.
Acute Health Affects:Irritating to skin, eyes and respiratory tract. Possible risk of irreversible effects.
Chronic Health Affects:Possible risk of irreversible 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:none
Autoignition Temperature:none
Explosion Limits:none
Extinguishing Medium:carbon dioxide, dry powder 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 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
Handling and Storage:Store in a tightly sealed container. Keep away from heat, air 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. Consult with glove manufacturer to determine the proper type of glove.
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 Respirator
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:yellow powder
Molecular Weight:484.49
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 and moisture stable
Hazardous Polymerization:no hazardous polymerization
Conditions to Avoid:strong oxidizing agents
Incompatibility:oxidizing agents, halogens and active metals
Decomposition Products:carbon monoxide, carbon dioxide, organic fumes, and ruthenium oxide

---

SECTION 11: Toxicological Information
Intraperitoneal (mouse); LD50: 1gm/kg. Mutation in microorganisms (bacteria-Salmonella typhimurium):
RTECS Data:
250ug/plate. Cytogenic analysis (hamster ovary); 6mmol/L
Carcinogenic Effects:no data
Mutagenic Effects:Possible mutagen
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