URANIUM manufacturers and suppliers

URANIUM suppliers

URANIUM

CAS:: 7440-61-1

MF:: U

MW:: 238.03

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Properties

Melting point:: 314-316°C (dec.)

Boiling point:: 4160.06°C (estimate)

Density: 1.01 g/mL at 25 °C

storage temp.: Refrigerator

solubility: Aqueous Base (Slightly)

form: silvery-white orthorhombic crystals

color: Pale Brown

Safety Information

Symbol(GHS): GHS06,GHS08

Signal word: Danger

Hazard statements: H300-H330-H373-H413

Precautionary statements: P264-P270-P301+P310-P321-P330-P405-P501-P260-P271-P284-P304+P340-P310-P320-P403+P233-P405-P501-P260-P314-P501

Hazard Codes: T+

Risk Statements: 20-34-53-33-26/28

Safety Statements: 26-36/37/39-45-61-20/21

RIDADR: UN 3264 8/PG 3

WGK Germany: 3

HazardClass: 7

PackingGroup: Commercial

HS Code: 28441000

Toxicity: Three isotopes (234U, 235U, 238U) exist, and a large number of uranium salts are known. They present both toxic and radiological hazards. The most important use of uranium is in the nuclear energy industry, but uranium compounds are also used in ceramics, as catalysts and in certain alloys. Entry into the body can occur during a variety of processes involved with the mining, processing or use of uranium and its compounds, and is probably largely by inhalation of dusts, fumes, etc. or by ingestion. Acute uranium toxicity is primarily nephrotoxicity. About 50% of plasma uranium is bound, as the uranyl ion, to bicarbonate (HCO23 ), which is filtered by the glomerulus. As a result of acidification in the proximal tubule, the bicarbonate complex dissociates followed by reabsorption of the HCO23 ; the released UO21 then becomes attached to the membrane of the proximal tubule cells. Loss of cell function follows, as evidenced by increased concentration of glucose, amino acids, and proteins in the urine. 2,3-Mercapto-1-propanol (British Anti-Lewisite, BAL) is ineffective as a therapeutic agent for uranium poisoning; CaEDTA is recommended. Chronic uranium toxicity appears to be radiation related, the effects being similar to those of ionizing radiation. In humans, cancer of the lung, bone, and lymphatic system are all known to occur.

IDLA: 10 mg U/m3

Use

Uranium is a white radioactive metallic element found in pitchblende ore, also known as uraninite. Uranyl chloride and uranyl nitrate are two uranium compounds used in photography. 235U in nuclear power reactors and nuclear weapons. Uranium depleted of 235U to manufacture of armor-piercing ammunition, in inertial guidance devices and gyro compasses, as a counterweight for missile reentry vehicles, as radiation shielding material, and x-ray targets.

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