SECTION V HEALTH HAZARD DATA
MATERIAL SAFETY DATA SHEET PP 516
Threshold Limited Value
ALDON RTECS No. HX7680000 Toxicity data: orl-rat LD50: 57 mg/kg. TWA: 0.5 mg (as
1533 W.Henrietta Rd. Chromium) per m3. OSHA (ceiling): 0.1 mg (CrO3) per m3. (ACGIH 1992-93).
PP 516
Avon, New York 14414 MSDS No.
庐
CORPORATION January 9, 1996
Effective Date
(716) 226-6177 INHALATION: Chromate dusts or mists can cause ulceration and perforation of nasal
Effects of Overexposure
septum, as well as irritation and ulceration of the respiratory system. Overexposure to
chromium compounds may cause lung cancer-risk. INGESTION: Can be harmful or fatal
SECTION I NAME 24 HOUR EMERGENCY ASSISTANCE if swallowed. Toxic effects may not appear right away. A systemic poison; chromates are
primarily toxic to the kidneys, liver, and gastrointestinal tract. Dusts and solutions can
Product POTASSIUM DICHROMATE CHEMTREC cause irritation. Contact with breaks in the skin can cause 鈥渃hrome sores鈥?.
0 4
Health
800-424-9300
Chemical
Emergency and
1 1 SKIN: Wash with soap and flush with plenty of water without delay. Remove
Potassium Bichromate
Synonyms 0
Fire
Day 716-226-6177 contaminated clothing and wash before reuse. EYES: Flush thoroughly with water for at
First Aid Procedures least 15 minutes, lifting upper and lower eyelids occasionally. Get medical attention.
Formula K Cr O 3
Reactivity INGESTION: If swallowed, if conscious, immediately have victim drink water and induce
227 NFPA vomiting. Repeat until vomit fluid is clear. Never give anything by mouth to an
HAZARD RATING HMIS *
Unit Size up to 2.5 Kg. unconscious person. INHALATION: Remove to fresh air. If not breathing, give artificial
LEAST SLIGHT MODERATE HIGH EXTREME respiration. If breathing is difficult, give oxygen. Get medical attention for ingestion,
0 1 2 3 4 inhalation, irritation, chemical or thermal burns or 鈥渃hrome sores鈥?, (skin ulcers).
C.A.S. No. 7778-50-9
Chromates are skin sensitizers. Skin absorption has been reported. EYES: Dusts, mists,
SECTION II INGREDIENTS OF MIXTURES or solutions can cause severe irritation and conjunctivitis.
SECTION VI REACTIVITY DATA
Principal Component(s) % TLV Units
Conditions to Avoid
Stability Unstable
Potassium Dichromate 100% See Section V. Excessive temperature and heat.
Stable X
DANGER! POISON! STRONG OXIDIZER! HARMFUL IF INHALED, Incompatibility Reducing agents. Most organic substances, bromides, iodides, chlorides,
hypophosphites, sulfites, sulfides. Combustible materials.
(Materials to Avoid)
SWALLOWED OR ABSORBED THROUGH SKIN. CAUSES IRRITATION. CANCER HAZARD.
Hazardous
MAY CAUSE RASH OR ULCERS ON OPEN SKIN OR MUCOUS MEMBRANES. Potassium chromate, oxygen gas and chromium oxide.
Decomposition Products
SECTION III PHYSICAL DATA
Conditions to Avoid
Hazardous Polymerization
Specific Gravity (H2O = 1)
398掳C (748掳F) 2.68
Melting Point (掳F)
May Occur Will Not Occur Not applicable.
Percent Volatile
Boiling Point (掳F) Not determined. Data not listed. X
by Volume (%)
Evaporation Rate
SECTION VII SPILL OR LEAK PROCEDURES
Vapor Pressure (mm Hg) No data available. Data not listed.
=1)
(
Steps to be taken in case
Data not listed.
Vapor Density (Air=1) Eliminate all ignition sources. Wear proper protective clothing.
material is released or spilled Sweep up and place in a suitable container. Flush spill area with
Solubility in Water 11.7 grams per 100 mL. water at 20掳C.
water. Keep wash water out of sewers. Collect for disposal.
Appearance & Odor Orange-red crystals; 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
Dispose of in an approved chemical landfill or contract with an approved
% by Volume
(Method Used) Non-flammable (NA). NA -------- --------
and licensed disposal agency.
Extinguisher
Use any media suitable for extinguishing supporting fire. SECTION VIII SPECIAL PROTECTION INFORMATION
Media
Not required in normal laboratory handling. If dusty conditions prevail, work in ventilation
Respiration Protection
hood or wear a NIOSH/MSHA-approved dust mask or respirator.
(Specify Type)
SPECIAL FIREFIGHTING
Local Exhaust Special
Recommended. No.
PROCEDURES Ventilation Recommended.
Mechanical (General) Other Adequate to maintain below exposure limit.
If fire conditions, wear a NIOSH/MSHA-approved self-contained
Protective Gloves Eye Protection
breathing apparatus and protective clothing to prevent contact Rubber. Chemical safety glasses.
with skin and eyes. Other Protective
Goggles, smock, apron, eye wash station, proper gloves, ventilation hood.
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, well-ventilated area, away from reducing agents.
in Handling & Storing
EXPLOSION HAZARDS Wash thoroughly after handling.
Although not flammable, may intensify fire when in contact with Keep container tightly closed when not in use.
combustible materials. Water runoff may contain chromium
Read label on container before using. Do not wear contact lenses when working with chemicals.
Other Precautions
compounds and should not be allowed to enter sewers or
NOTE: Chromium compounds in the form of chromates and dichromates have been
waterways. Use a NIOSH/MSHA-approved, self-contained
found to be mutagenic in bacterial and mammalian cells, including those of the Chinese hamster. Recent
breathing apparatus if exposure to chromium dust or mist is
studies indicate a significant risk of lung cancer among long-term employees of the chromate producing industry.
possible.
For laboratory use only. Not for drug, food or household use. Keep out of reach of children.
Chemical Safety
Approved
Revision Date
No. 5 1/9/96 Michael Raszeja MR
Coordinator
D.O.T. TOXIC SOLID, INORGANIC, N.O.S. , (POTASSIUM DICHROMATE), 6.1, UN 3288, PG III 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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