SECTION V HEALTH HAZARD DATA
MATERIAL SAFETY DATA SHEET MM 290
Threshold Limited Value None listed for Mercuric oxide (ACGIH 1992-93). TWA as Mercury [CAS No.
ALDON 7439-97-6] Mercury vapor 0.05 mg/m3 (AIR): in organic compounds 0.1 mg/m3.
1533 W.Henrietta Rd.
MM 290
Avon, New York 14414 MSDS No.
庐
CORPORATION February 22, 1996
Effective Date
(716) 226-6177
Effects of Overexposure INGESTION: Highly toxic. May cause severe nausea, vomiting, hematemesis,
abdominal pain, diarrhea, melena, renal damage, prostration. INHALATION: Prolonged
or repeated exposure to the dust causes upper respiratory tract irritation, lung injury,
SECTION I NAME 24 HOUR EMERGENCY ASSISTANCE vomiting, chest and abdominal pain, fatigue, gingivitis, difficulty swallowing, irritability,
tremors and kidney damage. Mercury compounds affect the central nervous system.
Product MERCURIC OXIDE, RED
CHEMTREC SKIN AND EYES: Causes irritation or burns. Toxic by skin absorption.
Health 4
800-424-9300
Chemical
Emergency and
Mercury (II) Oxide, Red INGESTION: If swallowed, if conscious, give one or two glasses of water to
Synonyms 0
Fire
Day 716-226-6177 drink, induce vomiting. Repeat until vomit fluid is clear. Call physician
First Aid Procedures
HgO
Formula immediately. Never give anything by mouth to an unconscious person.
0
Reactivity
NFPA INHALATION: Remove to fresh air. If not breathing, give artificial
HAZARD RATING HMIS *
up to 2.5 Kg.
Unit Size respiration. If breathing is difficult, give oxygen. Get medical attention.
LEAST SLIGHT MODERATE HIGH EXTREME
SKIN: Flush with water, then wash with soap and water. EYES: Flush
0 1 2 3 4
21908-53-2
C.A.S. No. thoroughly with water for at least 15 minutes, lifting lower and upper eyelids
SECTION II INGREDIENTS OF MIXTURES occasionally. Get immediate medical attention.
SECTION VI REACTIVITY DATA
Principal Component(s) % TLV Units
Conditions to Avoid Stable in air but turns dark on exposure to light and
Stability Unstable
Mercuric Oxide, Red 100% See Section V. decomposes into mercury and oxygen. Protect from
Stable X light, temperatures above 500掳C.
DANGER! POISON MAY Incompatibility Strong reducing agents, strong oxidizing agents, amines, combustible materials,
organic materials, phenol.
(Materials to Avoid)
BE FATAL IF SWALLOWED. HARMFUL IF
Hazardous Heating above 500掳C will produce highly toxic fumes of mercury and flammable
INHALED OR ABSORBED THROUGH SKIN.
oxygen gas. At 400掳C becomes almost black but red again on cooling.
Decomposition Products
SECTION III PHYSICAL DATA
Conditions to Avoid
Hazardous Polymerization
Specific Gravity (H2O = 1)
Melting Point (掳F) Decomposes at 500掳C (932掳F). 11.1
Not applicable.
May Occur Will Not Occur
Percent Volatile
Boiling Point (掳F) Not applicable. Non-volatile (NA). X
by Volume (%)
Evaporation Rate
SECTION VII SPILL OR LEAK PROCEDURES
Vapor Pressure (mm Hg) Negligible as solid. ( Butyl Acetate 0.6
=1)
Steps to be taken in case Wearing suitable protective clothing, sweep up and place in a
Vapor Density (Air=1) Not applicable.
material is released or spilled suitable container for disposal or reclaiming. DO NOT CREATE
Solubility in Water Slightly soluble in water at 20掳C. DUST! Sprinkle area with sulfur to suppress mercury. NOTE:
Sulfur dust is an irritant and flammable when ignited.
Appearance & Odor Orange-red powder; no odor.
Discharge, treatment, or disposal may be subject to Federal, State or Local laws.
Waste Disposal Method
SECTION IV FIRE AND EXPLOSION HAZARD DATA These disposal guidelines are intended for the disposal of catalog-size quantities only.
Lower
Flammable Limits in Air Upper
Flash Point
% by Volume
Non-flammable (NA). NA -------- --------
(Method Used) Dispose of in accordance with local, state and federal regulations.
Extinguisher Use any media suitable for extinguishing supporting fire.
SECTION VIII SPECIAL PROTECTION INFORMATION
Media
None should be needed in normal laboratory handling. If dusty conditions prevail,
Respiration Protection
work in ventilation hood or wear a NIOSH/MSHA-approved dust mask or respirator.
(Specify Type)
SPECIAL FIREFIGHTING
Acceptable. No.
Local Exhaust Special
PROCEDURES Ventilation Preferred. No.
In fire conditions, wear a NIOSH/MSHA-approved self-contained Mechanical (General) Other
breathing apparatus with full facepiece operated in positive
Protective Gloves Eye Protection
Rubber or plastic. Chemical safety glasses.
pressure mode and full protective clothing.
Other Protective
Goggles, smock, apron, eye wash station, ventilation hood, proper gloves.
Equipment
SECTION IX SPECIAL PRECAUTIONS
(1993 EMERGENCY RESPONSE GUIDEBOOK, DOT P 5800.6, GUIDE PAGE NO. 53)
Precautions to be Taken
UNUSUAL FIRE AND Store in a cool, dry place away from strong reducing agents and fire
in Handling & Storing
EXPLOSION HAZARDS hazards. Protect from light. Wash thoroughly after handling.
Keep container tightly closed when not in use.
Highly toxic. Fire risk in contact with organic materials. Dangerous; Read label on container before using. Do not wear contact lenses when working with chemicals.
Other Precautions
when heated to decomposition, it emits highly toxic fumes of mercury
Do not get in eyes, on skin, on clothing. Do not breathe dust. Use with
and flammable oxygen gas which increases the flammability of
adequate ventilation. Keep away from food, drink and animal foods. When
combustibles; can react with reducing agents.
using do not eat, drink or smoke. Remove and wash contaminated clothing.
For laboratory use only. Not for drug, food or household use. Keep out of reach of children.
Chemical Safety
Approved
Revision Date
No. 4 Michael Raszeja
2/22/96 MR
Coordinator
D.O.T. MERCURIC OXIDE, 6.1, UN 1641 The information contained herein is furnished without warranty of any kind. Employers should use this information only as a supplement to other information
gathered by them and must make independent determinations of suitability and completeness of information from all sources to assure proper use of these
Approved by U.S. Department of Labor "essentially similar" to form OSHA-20 materials and the safety and health of employees. * Hazardous Materials Industrial Standards. Printed on recycled paper.
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