Nitric acid (NA) is corrosive. On contact with the skin, liquid splashes with nitric acid and may produce severe burns. These burns usually take on a characteristic yellowish hue. We report the case of a 54-year-old man presenting a nitric acid burn with a …

Inhalation of nitric acid vapor can lead to coughing, shortness of breath, and fluid build-up in the lungs (pulmonary edema). Solutions with >90% nitric acid give off visible white or red vapors upon contact with air. Nitric acid can cause severe burns on any body part it contacts (e.g., skin, eyes, mouth, throat, lungs).

2023年1月24日 · If you happen to get nitric acid on your skin, it will cause a chemical burn. The severity of the burn will depend on how concentrated the acid is and how long it is in contact with your skin. If you have a nitric acid burn , you will experience pain, redness, and …

DANGER: May cause or intensify a fire in contact with combustible materials. Causes severe skin burns; skin is stained yellow and then peels. Causes eye damage. Toxic if inhaled. Corrosive to the respiratory tract For a 15-minute exposure, the vapour concentration in the atmosphere should not exceed 2.6 mg m–3. Use a fume cupboard.

2012年9月13日 · Skin and Body Protection Long pants, closed-toed and closed-heeled shoes, cotton-based clothing/attire (no skin exposed below waist), and a flame resistant lab coat must be worn for protecting against chemical hazards.

2024年9月2日 · Nitric acid (HNO3) is a highly corrosive and toxic chemical used in various industrial processes, including fertilizer production, explosives manufacturing, and metal etching. Due to its hazardous nature, it is essential to follow strict safety measures when handling nitric acid to prevent accidents, injuries, and environmental damage.

2015年8月4日 · According to the National Academy of Science’s laboratory chemical safety summary on nitric acid, concentrated nitric acid vapors are highly hazardous to the eyes, skin and mucous membranes. The compound causes mild irritation and hardening of the skin. It also stains the skin yellow and produces deep, painful burns.

2017年11月6日 · Skin is fairly resistant to acids. Rinse it off with water for a minute and you're good. Everything that has already penetrated the skin (nitrous gases, HCl, HF(!)) will not be removed by washing afterwards. Further cooling might keep the …

When ingested: sore throat, abdominal pain. On the skin: pain, yellow necrotic patches that slough off, severe burns. In the eyes: pain, blurred vision, blindness. CAUTION: Even 1M acid is destructive. Respiratory system, skin, eyes.

When conc. HNO 3 drops on the skin of a person it reacts with the protein of the skin and forms a yellow compound called xanthoproteic acid, hence skin becomes yellow, Excess of conc. HNO 3 causes blisters on the skin and is highly corrosive.