MERCURY(II) OXIDE, 99.999%
Synonym:
  Synonyms * C.I. 77760 * Mercuric oxide * Mercuric oxide, red * Mercuric Oxide, Yellow * Mercury monoxide * Mercury(2+) oxide * Oxyde de mercure (French) * Red mercuric oxide * Red oxide of mercury * Santar * Yellow mercuric oxide * Yellow precipitate
CAS Number : 21908-53-2
HAZARD (UN)
EXPOSURE CONTROLS/PERSONAL PROTECTION

T+
N
Very toxic.
Dangerous for the environment.
SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT
     Very toxic by inhalation, in contact with skin and if swallowed.  Danger of cumulative effects.  Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
ENGINEERING CONTROLS
     Safety shower and eye bath.  Use only in a chemical fume hood.
GENERAL HYGIENE MEASURES
     Wash contaminated clothing before reuse.  Wash thoroughly after handling.
PERSONAL PROTECTIVE EQUIPMENT
     Special Protective Measures:  Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing.
HANDLING
     Directions for Safe Handling:  Do not breathe dust.  Do not get in eyes, on skin, on clothing.  Avoid all contact.
STORAGE
     Conditions of Storage:  Keep tightly closed.  Store in a cool dry place.

FIRE FIGHTING MEASURES

FIRST-AID MEASURES
PERSONAL PRECAUTION PROCEDURES TO BE FOLLOWED IN CASE OF LEAK OR SPILL
     Evacuate area.
PROCEDURE(S) OF PERSONAL PRECAUTION(S)
     Wear self-contained breathing apparatus, rubber boots, and heavy rubber gloves.  Wear disposable coveralls and discard them after use.
METHODS FOR CLEANING UP
     Sweep up, place in a bag and hold for waste disposal.  Avoid raising dust.  Ventilate area and wash spill site after material pickup is complete.
EXTINGUISHING MEDIA
     Suitable:  Noncombustible.  Use extinguishing media appropriate to surrounding fire conditions.
SPECIAL RISKS
     Specific Hazard(s):  Emits toxic fumes under fire conditions.
SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS
     Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
AFTER INHALATION
     If inhaled, remove to fresh air.  If not breathing give artificial respiration.  If breathing is difficult, give oxygen.
AFTER INGESTION
     If swallowed, wash out mouth with water provided person is conscious.  Call a physician immediately.
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Reference: Sigma-Aldrich Pte Ltd #08-01 Citilink Warehouse Singapore 118529 Singapore, Catalog #203793

The information contained herein is based on data considered accurate.
However,no warranty is expressed or implied regarding the accuracy of these data or the results to be obtained from the use thereof.
Thailand Research Fund/Chulalongkorn University assume no responsibility for personal injury or property damage to users or third parties caused by the material.
Such users assume all risks associated with the use of the material.