The results of the toxicity assessment of ammonium metatungstate mainly include its effects on human health and the environment. The following is a detailed description of its toxicity assessment results:
- Human health effects
Skin and eye irritation
Ammonium metatungstate is irritating to skin and eyes. In case of accidental contact with skin or eyes, it may cause symptoms such as redness, swelling and pain of the skin or pain and tearing of the eyes.
Respiratory effects
Inhalation of ammonium metatungstate dust may cause irritation to the respiratory system, resulting in symptoms such as coughing and difficulty in breathing.
Digestive system effects
Accidental ingestion of ammonium metatungstate may cause digestive discomfort such as nausea, vomiting and abdominal pain. In serious cases, it may lead to symptoms such as laryngeal edema, chest tightness and breathing difficulties.
- Environmental Impact
Ammonium metatungstate may have acute aquatic toxicity to aquatic organisms and pose potential hazards to the aquatic environment. Therefore, when handling and disposing of ammonium metatungstate, special attention needs to be paid to its effects on the environment.
III. Safety instructions and precautions
Safety instructions
The safety instructions of Ammonium Metatungstate usually include “S26” (In case of accidental contact with eyes, flush with plenty of water immediately and seek medical advice), etc. The safety instructions of Ammonium Metatungstate include “S26” (In case of accidental contact with eyes, flush with plenty of water immediately and seek medical advice) and so on.
Precautionary measures
When working with ammonium metatungstate, wear protective clothing and gloves, and use protective equipment such as protective glasses and respirators.
Hands and contact areas should be washed thoroughly after handling to avoid taking ammonium metatungstate into the mouth or eyes.
Ammonium metatungstate should be stored in dry, cool and well-ventilated place, away from fire and high temperature.
- Toxicity Classification and Hazard Identification
According to the national standard “Catalog of Dangerous Chemicals” (GB 12268-2012), ammonium metatungstate is not a dangerous chemical in the strict sense, but a general chemical. However, it still has a certain degree of danger and requires corresponding protective measures.
Although ammonium metatungstate is not a dangerous chemical in the strict sense, it still has a certain degree of toxicity. Therefore, when using and handling ammonium metatungstate, it is necessary to strictly observe the relevant safety operation procedures and precautions to ensure human health and environmental safety.
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