80
Material Safety Data Sheets (MSDS)
13.3 Nitric acid (50-70%)
PRODUCT AND COMPANY IDENTIFICATION
SYNONYMS
Aqua Fortis; Azotic Acid;
Nitric Acid 50%; Nitric Acid 65%; Nitric Acid 69 - 70%
CAS NO. 7697-37-2
MOLECULAR WEIGHT 63.01
CHEMICAL FORMULA HNO
3
COMPOSITION / INFORMATION ABOUT THE COMPONENTS
INGREDIENT CAS NO PERCENT HAZARDOUS
Nitric Acid
Water
7697-37-2
7732-18-5
50 - 70%
30 - 50%
Yes
No
IDENTIFICATION OF HAZARDS
EMERGENCY OVERVIEW POISON! DANGER! STRONG OXIDIZER. CONTACT WITH OTHER MATERIAL MAY
CAUSE FIRE. CORROSIVE. LIQUID AND MIST CAUSE SEVERE BURNS TO ALL BODY
TISSUE. MAY BE FATAL IF SWALLOWED OR INHALED. INHALATION MAY CAUSE LUNG
AND TOOTH DAMAGE.
SAF-T-DATA
(TM)
RATINGS Health Rating
Flammability Rating
Reactivity Rating
Contact Rating
Storage Color Code
Lab Protective Equipment
4 - Extreme (Poison)
0 - None
3 - Severe (Oxidizer)
4 - Extreme (Corrosive)
White (Corrosive)
Goggles & shield; lab coat & apron; vent hood; proper gloves
INHALATION Corrosive! Inhalation of vapors can cause breathing difficulties
and lead to pneumonia and pulmonary edema, which may be
fatal. Other symptoms may include coughing, choking, and
irritation of the nose, throat, and respiratory tract.
INGESTION Corrosive! Swallowing nitric acid can cause immediate pain
and burns of the mouth, throat, esophagus and
gastrointestinal tract.
SKIN CONTACT Corrosive! Can cause redness, pain, and severe skin burns.
Concentrated solutions cause deep ulcers and stain skin a
yellow or yellow-brown color.
EYE CONTACT Corrosive! Vapors are irritating and may cause damage to the
eyes. Contact may cause severe burns and permanent eye
damage.
CHRONIC EXPOSURE Long-term exposure to concentrated vapors may cause
erosion of teeth and lung damage. Long-term exposures
seldom occur due to the corrosive properties of the acid.
AGGRAVATION OF PRE-EXISTING CONDITIONS
Persons with pre-existing skin disorders, eye disease, or
cardiopulmonary diseases may be more susceptible to the
effects of this substance.
FIRST AID
INHALATION Remove to fresh air. If not breathing, give artificial respiration.
If breathing is difficult, give oxygen. Call a physician.
INGESTION DO NOT INDUCE VOMITING! Give large quantities of water
or milk if available. Never give anything by mouth to an
unconscious person. Get medical attention immediately.
SKIN CONTACT In case of contact, immediately flush skin with plenty of water
for at least 15 minutes while removing contaminated clothing
and shoes. Wash clothing before reuse. Thoroughly clean
shoes before reuse. Get medical attention immediately.
EYE CONTACT Immediately flush eyes with plenty of water for at least 15
minutes, lifting lower and upper eyelids occasionally. Get
medical attention immediately.
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