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. 2023 Dec 3;10(1):e23089. doi: 10.1016/j.heliyon.2023.e23089

Table 3.

Safety data sheet for nitric acid [24].

Exposure Limits
OSHA PEL: 2 ppm
ACGIH TLV: 2 ppm
STEL: 4 ppm
Hazardous Characteristics
Overall Toxicity High
Flammability None/very low
Destructive to skin and eyes Severe
Absorbed by skin None/very low
Sensitizer No
Self-reactive No
Incompatible with
Flammables, combustibles, other reducing agents; bases; most metals; many organic compounds; rubber; wood
Typical Symptoms of Acute Exposure
If inhaled Coughing, sore throat, lung edema.
When ingested Sore throat, abdominal pain
On the skin Pain, yellow necrotic patches, severe burns
In the eyes Pain, blurred vision, blindness
Principal target system(s)
Respiratory system, skin, eyes
Storage Requirements
Store separately, in a cold, dry, well-ventilated environment away from other oxidizing agents, flammables, combustibles, and other reducing agents such as acetic acids and other organic acids.
Caution: Even 1 M acid is destructive