Strontium

87.62

87.905617

231-201-3

YZS2RPE8LE

1534

DTXSID3024312

C846

Silvery white metal; face-centered cubic structure|Pale yellow soft metal

0

0.22500

White to pale yellow random pieces

2.64 g/cm³

777 °C

1382 °C

H2O: soluble

2-8°C

4.99X10-11 Pa at 400 K; 0.000429 Pa at 600 K; 1.134 Pa at 800 K; 121 Pa at 1000 K

Powdered metallic strontium may constitute an ... explosion hazard when exposed to flame ...

Natural strontium is a mixture of four isotopes; 32 other unstable isotopes are known to exist. Three allotropic forms exist, with transition points at 235 and 540 °C.|Alkaline earth metal; valence of 2; 4 stable isotopes with atomic weights of: 88 (82.56%), 86 (9.86%), 87 (7.02%), 84 (0.56%); heated metal combines with hydrogen to form strontium hydride and with nitrogen to form strontium nitride.|Decomposes water on contact /Reacts with water to evolve hydrogen/|Standard enthalpy of formation at 298.15 K, 0.0 kJ/mol (crystal); entropy at 298.15 K, 55 J/mol-K (crystal); Heat capacity, 26.8 J/mol-K (crystal). Standard enthalpy of formation at 298.15 K,164.4 kJ/mol (gas phase); Gibbs free energy of formation, 130.9 kJ/mol (gas phase); entropy at 298.15 K, 164.6 J/mol-K (gas phase); Heat capacity 20.8 J/mol-K (gas phase).|For more Other Experimental Properties (Complete) data for STRONTIUM, ELEMENTAL (6 total), please visit the HSDB record page.

II

4.3

UN 3264 8/PG 3

3

37/38-41-38-14-11-36/38-34-23/24/25-36-14/15

26-45-36/37/39-27-23

WK8400000

F,Xi,T

Dry. Keep under inert gas. Well closed. Keep in a well-ventilated room. Store in an area without drain or sewer access.

Rapidly becomes yellow on exposure to air and assumes an oxide film.

P223-P231 + P232-P370 + P378-P422

H260-H315

SRP: The most favorable course of action is to use an alternative chemical product with less inherent propensity for occupational exposure or environmental contamination. Recycle any unused portion of the material for its approved use or return it to the manufacturer or supplier. Ultimate disposal of the chemical must consider: the material's impact on air quality; potential migration in soil or water; effects on animal, aquatic, and plant life; and conformance with environmental and public health regulations.|Dissolve in a minimum amount of 6 molar hydrochloric acid and filter. Add filtrate to slight amount of 6 molar ammonium hydroxide by use of the litmus test. Precipitate with sufficient sodium carbonate. After filtration, wash and dry the ppt.

Powdered metallic strontium may constitute a fire and explosion hazard due to the fact that strontium reacts with water to evolve hydrogen; there is the hazard of a gas explosion when the metal is stored in presence of moisture.|Reacts with ... alcohol, acetoacetic acid and aniline to form hydrogen.|Reaction with halogens may lead to ignition. Vigorous reaction on contact with oxidizing materials.|The heated metal combines with hydrogen to form strontium hydride and with nitrogen to form strontium nitride.|Undergoes reactions characteristic of alkaline earth metals. Strong reducing agent.

Not combustible but forms flammable gas on contact with water or damp air.

|Danger|H260 (95.35%): In contact with water releases flammable gases which may ignite spontaneously [Danger Substances and mixtures which in contact with water, emit flammable gases]|P223, P231+P232, P260, P264, P280, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P332+P313, P335+P334, P362, P363, P370+P378, P402+P404, P405, and P501|Aggregated GHS information provided by 177 companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|H250: Catches fire spontaneously if exposed to air [Danger Pyrophoric liquids; Pyrophoric solids]|P210, P222, P280, P302+P334, P370+P378, and P422

NO water. Use dry sand, special powder.

Wear rubber gloves, safety glasses and working clothes.

The finely divided metal ignites spontaneously in air.|... Ignites when heated above its mp ...

Powdered metallic strontium may constitute an ... explosion hazard when exposed to flame ...

Processing of strontium should be carried out in enclosed plant and suitable ventilation and thermal insulation should be provided in working premises.|SRP: Contaminated protective clothing should be segregated in such a manner so that there is no direct personal contact by personnel who handle, dispose, or clean the clothing. Quality assurance to ascertain the completeness of the cleaning procedures should be implemented before the decontaminated protective clothing is returned for reuse by the workers. Contaminated clothing should not be taken home at end of shift, but should remain at employee's place of work for cleaning.

Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Sweep spilled substance into covered sealable containers.

Dry. Keep under inert gas. Well closed. Keep in a well-ventilated room. Store in an area without drain or sewer access.

A nuisance-causing concentration of airborne particles can be reached quickly when dispersed.

NO contact with water.

PREVENT DISPERSION OF DUST!

Use ventilation.

Protective gloves.

Wear safety spectacles.

Strontium is a naturally occurring element found in rocks, soil, dust, coal, and oil. Naturally occurring strontium is not radioactive and is either referred to as stable strontium or strontium. Strontium in the environment exists in four stable isotopes,84Sr (read as strontium eighty-four),86Sr,87Sr,88Sr.Strontium compounds are used in making ceramics and glass products, pyrotechnics, paint pigments, fluorescent lights, and medicines.Strontium can also exist as several radioactive isotopes; the most common is90Sr.90Sr is formed in nuclear reactors or during the explosion of nuclear weapons. Radioactive strontium generates beta particles as it decays. One of the radioactive properties of strontium is half-life, or the time it takes for half of the isotope to give off its radiation and change into another substance. The half-life of90Sr is 29 years.

Fresh air, rest.

Rinse skin with plenty of water or shower.

Basic treatment: Establish a patent airway. Suction if necessary. Watch for signs of respiratory insufficiency and assist ventilations if needed. Administer oxygen by nonrebreather mask at 10 to 15 L/min. Monitor for pulmonary edema and treat if necessary ... . Monitor for shock and treat if necessary ... . Anticipate seizures and treat if necessary ... . For eye contamination, flush eyes immediately with water. Irrigate each eye continuously with normal saline during transport ... . Do not use emetics. For ingestion, rinse mouth and administer 5 mL/kg up to 200 mL of water for dilution if the patient can swallow, has a strong gag reflex, and does not drool ... . Cover skin burns with dry sterile dressings after decontamination ... . /Poison A and B/|Advanced treatment: Consider orotracheal or nasotracheal intubation for airway control in the patient who is unconscious, has severe pulmonary edema, or is in respiratory arrest. Positive pressure ventilation techniques with a bag valve mask device may be beneficial. Consider drug therapy for pulmonary edema ... . Monitor cardiac rhythm and treat arrhythmias as necessary ... . Start an IV with D5W TKO /"To keep open", minimal flow rate/. Use lactated Ringer's if signs of hypovolemia are present. Watch for signs of fluid overload. For hypotension with signs of hypovolemia, administer fluid cautiously. Watch for signs of fluid overload ... . Treat seizures with diazepam (Valium) ... . Use proparacaine hydrochloride to assist eye irrigation ... . /Poison A and B/

Strontium

The substance can be absorbed into the body by inhalation of its aerosol.

Musculoskeletal (Muscles and Skeleton)

Strontium metal is a very limited part of total strontium consumption.

Grades: Technical|Available as a pure metal and as an alloy with aluminum or aluminum/magnesium.

Primary metal manufacturing|Strontium: ACTIVE|It is obtained in a state of 99.6% purity by thermit process, followed by re-distillation at 1000 °C ...|Purity of strontium production is based on the purity of the oxide /used to produce the strontium/|No strontium minerals have been produced in the US since 1959.

Chemical Classes -> Inorganic substances, Radionuclides (radioactive materials)