SECTION V HEALTH HAZARD DATA
MATERIAL SAFETY DATA SHEET MM 305
Threshold Limited Value None listed for Mercuric oxide. (ACGIH 1992-93). TWA as mercury [CAS No.
ALDON 1533 W.Henrietta Rd. 7439-97-6] Mercury vapor 0.05 mg/m3 (AIR): in organic compounds 0.1 mg/m3.
MM 305
Avon, New York 14414 MSDS No.
庐
CORPORATION October 8, 1996
Effective Date
(716) 226-6177 INGESTION: Highly toxic. May cause severe nausea, vomiting,
Effects of Overexposure
hematemesis, abdominal pain, diarrhea, melena, renal damage, prostration.
INHALATION: Prolonged or repeated exposure to the dust causes upper
SECTION I NAME 24 HOUR EMERGENCY ASSISTANCE respiratory tract irritation, lung injury, vomiting, chest and abdominal pain,
fatigue, gingivitis, difficulty swallowing, irritability, tremors and kidney
Product MERCURIC OXIDE, YELLOW
CHEMTREC damage. SKIN AND EYES: Causes irritation. Toxic by skin absorption.
Health 4
800-424-9300
Chemical
Emergency and
Mercury (II) Oxide, Yellow
Synonyms INGESTION: If swallowed, if conscious, give one or two glasses of water to
0
Fire
Day 716-226-6177
First Aid Procedures drink, induce vomiting. Repeat until vomit fluid is clear. Call physician
Formula HgO 0
Reactivity immediately. Never give anything by mouth to an unconscious person.
NFPA INHALATION: Remove to fresh air. If not breathing, give artificial
HAZARD RATING HMIS *
Unit Size up to 500 grams 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
C.A.S. No. 21908-53-2 thoroughly with water for at least 15 minutes, lifting upper and lower eyelids
occasionally. Get immediate medical attention.
SECTION II INGREDIENTS OF MIXTURES
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 decomposes into mercury and oxygen. Protect from
Mercuric Oxide, Yellow 100% See Section V.
Stable X light, temperatures above 500掳C.
DANGER! POISON MAY Incompatibility Reducing agents, chlorine, hydrazine hydrate, hydrogen peroxide, hypophorus
acids, magnesium, hydrocarbons, sulfur chloride, methanethiol.
(Materials to Avoid)
BE FATAL IF SWALLOWED. HARMFUL IF
Hazardous Heating above 500掳C will produce highly toxic fumes of mercury and
INHALED OR ABSORBED TROUGH SKIN.
Decomposition Products flammable oxygen gas.
SECTION III PHYSICAL DATA
Conditions to Avoid
Hazardous Polymerization
Decomposes at 500掳C (932掳F) 11.03 @ 27.5掳C
Specific Gravity (H2O = 1)
Melting Point (掳F)
May Occur Will Not Occur Not applicable.
Percent Volatile
Decomposes. N/A
Boiling Point (掳F) X
by Volume (%)
Evaporation Rate
SECTION VII SPILL OR LEAK PROCEDURES
Vapor Pressure (mm Hg) Negligible as solid. N/A
=1)
(
Steps to be taken in case
11.14 (lit) Wearing suitable protective clothing, sweep up and place in a
Vapor Density (Air=1)
material is released or spilled suitable container for disposal or reclaiming. Do NOT create
Slightly soluble in water at 20掳C.
Solubility in Water dust. Sprinkle area with sulfur to suppress mercury. NOTE:
Sulfur dust is an irritant and flammable when ignited.
Light, orange-yellow powder; no odor.
Appearance & 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
Dispose of in an approved chemical landfill or contract with a licensed waste
Non-flammable. N/A
% by Volume
(Method Used)
disposal service.
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.
Mechanical (General) Other
In fire conditions, wear a NIOSH/MSHA-approved self-contained
Protective Gloves Eye Protection
Rubber or Plastic. Chemical safety glasses.
breathing apparatus 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 5800.5, 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
hazards. Protect from light. Wash thoroughly after handling.
EXPLOSION HAZARDS 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
and flammable oxygen gas which increases the flammability of Do not breathe dust. 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 10/08/96 MR
Michael Raszeja Coordinator
D.O.T. Mercury oxide, 6.1, UN 1641, PG II 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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