SODIUM AMMONIUM HYDROGEN PHOSPHATE TETRAHYDRATE

SECTION V HEALTH HAZARD DATA
MATERIAL SAFETY DATA SHEET SS 240
Threshold Limited Value
ALDON None established. (ACGIH 1992-93).
1533 W.Henrietta Rd.
SS 240
Avon, New York 14414 MSDS No.
?
CORPORATION February 18, 1997
Effective Date
(716) 226-6177
Effects of Overexposure Contact with eyes or skin causes irritation and discomfort. Effects may or
may not be transient. Inhalation of dusts, mists or aerosols may cause
SECTION I NAME 24 HOUR EMERGENCY ASSISTANCE irritation to the respiratory tract. Exercise appropriate procedures to
minimize potential hazards.
Product SODIUM AMMONIUM PHOSPHATE
CHEMTREC 1
Health
800-424-9300
Chemical
Emergency and
Sodium Ammonium Hydrogen Phosphate
EYES: Flush thoroughly with water for at least 15 minutes, lifting lower and
Synonyms 0
Fire
Day 716-226-6177
First Aid Procedures upper eyelids occasionally. If irritation develops or persists, get medical
NaNH HPO ??4H O
Formula 0
Reactivity
4 4 2 attention. SKIN: Wash with mild soap and water. INHALATION: Remove
NFPA
to fresh air. If not breathing, give artificial respiration. If breathing is
HAZARD RATING HMIS *
up to 2.5 Kg.
Unit Size
difficult, give oxygen. Get medical attention. INGESTION: If swallowed, if
LEAST SLIGHT MODERATE HIGH EXTREME
0 1 2 3 4 conscious, call physician immediately. Induce vomiting if advised by
C.A.S. No. 51750-73-3
physician. Never give anything by mouth to an unconscious person.
SECTION II INGREDIENTS OF MIXTURES
SECTION VI REACTIVITY DATA
Principal Component(s) % TLV Units
Conditions to Avoid
Stability Unstable
Avoid constant heating, NaPO3 will result.
Sodium Ammonium Phosphate, Tetrahydrate 100% None established.
Prolonged exposure to air causes loss in ammonia.
Stable X
CAUTION! MAY BE HARMFUL IF INHALED OR Incompatibility
Bases or alkalis.
(Materials to Avoid)
SWALLOWED. CAUSES IRRITATION TO SKIN,
Hazardous Thermal decomposition may yield corrosive fumes of ammonia and toxic
EYES AND RESPIRATORY TRACT.
oxides of sodium, phosphorus and nitrogen.
Decomposition Products
SECTION III PHYSICAL DATA
Conditions to Avoid
Hazardous Polymerization
Specific Gravity (H2O = 1)
80??C (176??F) decomposes. 1.544
Melting Point (??F)
May Occur Will Not Occur Not applicable.
Percent Volatile
Boiling Point (??F) Decomposes. Non-volatile. X
by Volume (%)
Evaporation Rate
SECTION VII SPILL OR LEAK PROCEDURES
Vapor Pressure (mm Hg) N/A N/A
=1)
(

Steps to be taken in case
N/A
Vapor Density (Air=1)
Recover for use if not contaminated. Sweep up spill and
material is released or spilled
place in suitable container for disposal. Flush spill area
Solubility in Water Soluble 1 gram/5 mL. cold water.
with soap and water.
Appearance & Odor Transparent colorless crystals or granules; odorless.
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
For small amounts, cautiously add to a large stirred excess of water. Flush the
Non-flammable. N/A
% by Volume
(Method Used)
aqueous solution down the drain with plenty of water.
Extinguisher
Dry chemical (ABC); carbon dioxide (CO 2); water spray. SECTION VIII SPECIAL PROTECTION INFORMATION
Media
None needed 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
Recommended. No.
Local Exhaust Special
PROCEDURES Ventilation
If involved in fire situation, wear a NIOSH/MSHA-approved None needed. No.
Mechanical (General) Other
self-contained breathing apparatus and full protective clothing
Protective Gloves Eye Protection
Rubber. Chemical safety glasses.
to prevent contact with skin and eyes.
Other Protective
Lab coat, apron, proper gloves, ventilation hood, eye wash station.
Equipment

SECTION IX SPECIAL PRECAUTIONS
Precautions to be Taken Store in a cool, dry place. Efflorescent in air with loss of some
UNUSUAL FIRE AND in Handling & Storing ammonia. Avoid dusting conditions. Avoid contact with skin or eyes.
EXPLOSION HAZARDS Keep container tightly closed when not in use. Wash thoroughly after handling.
Read label on container before using. Do not wear contact lenses when working with chemicals.
Other Precautions
Fire or excessive heat may produce hazardous decomposition products
as ammonia gas and/or oxides of nitrogen (NOx). Use appropriate hand and skin lotions to protect skin.
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 Michael Raszeja
No. 4 2/18/97 M Coordinator
D.O.T. NON-REGULATED. 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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