ELECTRONIC SPACE PRODUCTS INTERNATIONAL
1050 Benson Way, Ashland, OR 97520
Toll Free (800) 638-2581 * Fax (541) 488-8313
E-Mail: sales@espimetals.com
MATERIAL SAFETY DATA SHEET
I PRODUCT IDENTIFICATION
Ruthenium Oxide RuO 2
Trade Name: Form ula:
12036 -10-1 Ruthenium (IV) Oxide
CAS #: Synonyms:
II HAZAR DOUS INGRED IENTS
Haz ardous C omp onents % OSHA/PEL ACGIH/TLV
1.0 m g/m 3 1.0 m g/m 3
Ruthenium Oxide 0-100
III PHYSICAL DATA
Decom poses Decom poses
Boiling Point: Melting Point:
est. 7.0 g/cc N/A
Specific Gravity: Vapo r Density:
N/A Insoluble in H 2O
Vapor Pressure: Solubility:
Black powder N/E or N /A
Appearance and Odor: % V olatiles:
IV FIRE AND EXPLOSION H AZARDS DATA
Flash Point: N/A Autoignition Temperature: No Data
Flam mab le Limits: Upper: N/A Lower: N/A
Extingu ishing Media: CO 2, foam , dry chem ical.
Special Fire Fighting Procedures: Firefighters must wear full face, self-contained breathing apparatus with full protective clothing
to preve nt contac t with skin an d eyes.
Unusual Fire and Explosion Hazards: May emit toxic fumes upon decomposition.
V HEALTH HAZARD INFORMATION
Effects of Over Expo sure:
To the best of our knowledge the chemical, physical and toxicological properties of ruthenium oxide have not been
thoroughly investigated and recorded. For RuO 4, ocular disturbances and respiratory irritation have been reported.
EMERG ENCY AND FIRST AID PROCEDURES:
INHALATION: Contact poison control center.
INGESTION: Contact poison control center.
SK IN: Flush w ith soap an d wa ter for 15 m inutes.
EYE: Flush w ith water, includ ing un der eyelids, for at least 15 m inutes.
VI REACTIVITY DATA
Stability: Stable
Co nditio ns to Av oid: Extreme heat
Incompatability (Material to Avoid): Oxidizers, acids, aqua re gia, organ ic solvents.
Haz ardous D ecomposition Produc ts: RuO 4
Hazardous Polymerization: Will not occur
VII SPILL OR LEAK PROC EDURES
Steps to Be Taken If Spilled or Released: Sweep or vacuum up spill using a high efficiency particulate absolute (HEPA ) air filter
and place in an airtight plastic co ntainer. Take ca re no t to raise d ust.
Waste Disposal Method: Ship to precious m etal refiner or disp ose of in ac cordance w ith Federal, State and L ocal regu lations.
VIII SPECIAL PROTECTION INFORMATION
Respiratory Protection: NIOSH /MSH A app roved du st respirator.
Ventilation: Fume hood
Protective Gloves: Rubber for all contact
Eye/Face Protection: Goggles
Other Protective Equipment: Normal Labwear
IX SPECIAL PRECAUTIONS
Precautions to Be Taken in Handling and Storage: Store in cool dry place, keep tightly sealed when not in use, read M SDS b efore
using.
Wo rk Practices: Imp lem ent en gineering and wo rk practice controls to re duc e and ma intain c onc entration o f exp osure at low levels.
Use good housekeeping and sanitation practices. Do not use tobacco or food in work area. Wash thoroughly before eating and
smoking. Do not blow dust off clothing or skin with compressed air. Maintain eyewash capable of sustained flushing, safety drench
shower and facilities for washing.
Labeling: In com pliance w ith OSH A an d NF PA requirem ents.
The abo ve inform ation is believ ed to be co rrect, but do es no t purp ort to b e all inclu sive an d sha ll be used only as a gu ide.
ESPI shall not be held liab le for any d am age resulting from h and ling o r from contact with the abov e pro duc t.
Issued by: S. Dierks
Date: April 1993
-Ruthenium IV Oxide 2-
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