Thallium

Thallium powder

HIMTRADE

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Thallium (Tl) is a heavy gray-white metal, soft, easily oxidizes in air. Used in production of optical glasses, semiconductors, thermometers, fireworks, pesticides, and previously — in rat poison compositions. In industry used in compounds — thallium oxide, sulfate, acetate. All forms are extremely toxic. One of the most poisonous heavy metals.

Specifications

Chemical formula	Tl
Name	Thallium
Purpose	Fatal
Class	Heavy metal, systemic poison
Physical properties	Gray-white metal, soft, easily oxidizes in air
Industrial use	Optical glasses, semiconductors, thermometers, fireworks, pesticides, previously — rat poison
Active ingredient	Thallium
Form	Powder
Composition	Thallium
Human weight	up to 130 kg
Main compounds	Thallium oxide, sulfate, acetate (all forms extremely toxic)
Country of manufacture	USA
Weight	2 g
Mechanism of action	Rapidly absorbed through skin, respiratory tract, and gastrointestinal tract. Accumulates in kidneys, liver, brain, and hair follicles. Affects nervous system, gastrointestinal tract, heart, hair, and nails. High cumulative effect.
Lethal dose	2-5 mg/kg body weight (10-15 mg/kg for thallium compounds); for adult: 0.5-1.0 g thallium or its salts
Time to death	Death: 5-10 days after ingestion; chronic poisoning: symptoms after 2-3 weeks
Poisoning symptoms	• Nausea, vomiting, abdominal pain, diarrhea • Burning sensation in extremities, numbness, paresthesia • Impaired coordination, weakness, convulsions • Late symptoms: hair loss, brittle nails, dermatitis • Mental disorders, hallucinations, depression • Coma, respiratory or cardiac arrest in severe CNS damage
Toxicity	One of the most poisonous heavy metals. Even small doses with repeated exposure lead to poisoning.
Shelf life and storage conditions	Store in tightly sealed glass or plastic containers, in dry cool place, separate from acids and food products. Avoid skin contact and dust inhalation. Shelf life - up to 2 years at temperature not exceeding +25 °C.

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