84
Material Safety Data Sheets (MSDS)
13.4 Ammonium hydroxide (10-35% NH
3
)
PRODUCT AND COMPANY IDENTIFICATION
SYNONYMS
Ammonium hydroxide solutions; ammonia aqueous; ammonia
solutions
CAS NO. 1336-21-6
MOLECULAR WEIGHT 35.05
CHEMICAL FORMULA NH
4
OH in H
2
O
COMPOSITION / INFORMATION ABOUT THE COMPONENTS
INGREDIENT CAS NO PERCENT HAZARDOUS
Ammonium Hydroxide
Water
1336-21-6
7732-18-5
21 - 72%
28 - 79%
Yes
No
Contains between 10 and 35% ammonia.
IDENTIFICATION OF HAZARDS
EMERGENCY OVERVIEW
POISON! DANGER! CORROSIVE. MAY BE FATAL IF SWALLOWED OR INHALED. MIST
AND VAPOR CAUSE BURNS TO EVERY AREA OF CONTACT.
SAF-T-DATA
(TM)
RATINGS
Health Rating
Flammability Rating
Reactivity Rating
Contact Rating
Storage Color Code
Lab Protective Equipment
3 - Severe (Poison)
0 - None
1 - Slight
4 - Extreme (Corrosive)
White Stripe (Store Separately)
Goggles & shield; lab coat & apron; vent hood; proper gloves
INHALATION
Vapors and mists cause irritation to the respiratory tract.
Higher concentrations can cause burns, pulmonary edema
and death. Brief exposure to 5000 ppm can be fatal.
INGESTION
Toxic! May cause corrosion to the esophagus and stomach
with perforation and peritonitis. Symptoms may include pain in
the mouth, chest, and abdomen, with coughing, vomiting and
collapse. Ingestion of as little as 3-4 mL may be fatal.
SKIN CONTACT Causes irritation and burns to the skin.
EYE CONTACT
Vapors cause irritation. Splashes cause severe pain, eye
damage, and permanent blindness.
CHRONIC EXPOSURE
Repeated exposure may cause damage to the tissues of the
mucous membranes, upper respiratory tract, eyes and skin.
AGGRAVATION OF PRE-EXISTING CONDITIONS
Persons with pre-existing eye disorders or impaired
respiratory function may be more susceptible to the effects of
this material.
FIRST AID
INHALATION Remove to fresh air. If not breathing, give artificial respiration.
If breathing is difficult, give oxygen. Call a physician.
INGESTION If swallowed, DO NOT INDUCE VOMITING. Give large
quantities of water. Never give anything by mouth to an
unconscious person. Get medical attention immediately.
SKIN CONTACT Immediately flush skin with plenty of water for at least 15
minutes while removing contaminated clothing and shoes.
Call a physician, immediately. Wash clothing before reuse.
EYE CONTACT Immediately flush eyes with gentle but large stream of water
for at least 15 minutes, lifting lower and upper eyelids
occasionally. Call a physician immediately. Immediate action
is critical to minimize possibility of blindness.
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