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Strontium carbonate

Strontium carbonate structure

Strontium carbonate 

structure
  • CAS No:

    1633-05-2

  • Formula:

    CH2O3.Sr

  • Chemical Name:

    Strontium carbonate

  • Synonyms:

    Carbonic acid,strontium salt (1:1);Strontium carbonate;C.I. 77837;Strontium carbonate (SrCO3);Strontium monocarbonate;C.I. Pigment White 34;Pigment White 34;Strontium(2+) carbonate;Strontium(II) carbonate;SW-K;SW-K 20;K 60 (carbonate);SW-P;K 60;SW-P-N;Powder N

  • Categories:

    Inorganic Chemistry  >  Inorganic Salts

Description

WHITE ODOURLESS POWDER.


DryPowder; PelletsLargeCrystals|WHITE ODOURLESS POWDER.

Strontium carbonate Basic Attributes

147.62900

147.89000

216-643-7

41YPU4MMCA

1695

DTXSID3029651

WHITE POWDER|Colorless or white rhombic crystalline solid transforming to hexagonal above 926 °C|White orthorhombic crystals|White crystalline powder

2836920000

Characteristics

63.19000

-2.44700

DryPowder; PelletsLargeCrystals

3.5 g/cm3

1494 °C

333.6ºC at 760 mmHg

169.8ºC

Index of refraction (alpha, beta, gamma): 1.518, 1.666, 1.668

Solubility in water, g/100ml at 18°C: 0.011 (very poor)

Store in a tightly sealed container in a cool, dry location. Keep tightly sealed when not in use.

2.58E-05mmHg at 25°C

ODORLESS

TASTELESS

DECOMPOSES AT 1100 °C INTO STRONTIUM OXIDE AND CARBON DIOXIDE|Liberates carbon dioxide at 1340 °C; impalpable|Enthalpy of formation (crystal): -1220.1 KJ/mol @ 25 °C; Gibbs Energy of formation (crystal): -1140.1 KJ/mol @ 25 °C; Entropy of formation (crystal): 97.1 J/mol-K @ 25 °C; Heat capacity @ constant pressure (crystal): 81.4 J/mol-K @ 25 °C|Hygroscopic|For more Other Experimental Properties (Complete) data for STRONTIUM CARBONATE (6 total), please visit the HSDB record page.

Safety Information

NONH for all modes of transport

-

WK8305000

Separated from acids.

Stable. Incompatible with strong acids.

P273, P501

H413

SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.

Not combustible.

Not Classified

In case of fire in the surroundings, use appropriate extinguishing media.

Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting.

Separated from acids.

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

May cause mechanical irritation to the eyes and respiratory tract.

PREVENT DISPERSION OF DUST!

Avoid inhalation of dust.

Protective gloves.

Wear safety goggles.

Toxicity

Strontium forms 0.02-0.03% of the earth's crust and is present in igneous rocks in amounts averaging 375 ppm(1). Of the naturally occurring strontium compounds, only the minerals strontianite (strontium carbonate) and celestite (strontium sulfate) are of economic importance(2).|OCCURS IN NATURE AS THE MINERAL STRONTIANITE.

More than 80% of all strontium consumed in 1995 was used in ceramic and glass manufacture, primarily in televison faceplate glass (strontium carbonate/oxide)(1). In addition, strontium (strontium carbonate) is used to remove lead impurities during the electrolytic production of zinc(1). The production and use of these strontium compounds may result in its release to the environment through various waste streams(SRC).

Drug Information

Fresh air, rest.


Rinse and then wash skin with water and soap.


Rinse with plenty of water for several minutes (remove contact lenses if easily possible).

... Inorganic salts of strontium /such/ as the chloride, sulfate, carbonate ... are remarkably benign. ... In large oral doses they presumably exert local osmotic effects & so tend to induce vomiting & diarrhea.

strontianite

Cough.


Redness.

Strontium carbonate Use and Manufacturing

Methods of Manufacturing

CELESTITE IS BOILED WITH A SOLUTION OF AMMONIUM CARBONATE OR IS FUSED WITH SODIUM CARBONATE.|... Celestite ore is crushed, ground, & stored in bins before it is fed to rotary kilns. As ground ore is being conveyed to the kilns, it is mixed with ground coke. In the kilns, the celestite is reduced to strontium sulfide, which is known as black ash. ... The product ... from the kilns is collected in storage bins. Black ash ... is fine-ground in a ball mill & fed to a leacher circuit ... where it is dissolved in water & the muds are separated by counter current decantation. ... The filered product, a saturated soln containing 12-13% strontium sulfide, is sent to an agitation tank where soda ash is added to cause precipitation of strontium carbonate crystals ... After precipitation is complete, slurry is pumped to vacuum drum filters where nearly complete liq-solids separation is accomplished. The liq is dilute sodium sulfide soln, which is concentrated by evaporation. ... The filter cake is 60% strontium carbonate solid. ... Strontium carbonate also precipitates from strontium sulfide soln with carbon dioxide.

Uses

1. Used in the preparation of?iridescent glass, luminous paints, strontium oxide or strontium salts and in refining sugar and certain drugs
2. Used for electronic applications. It is used for manufacturing CTV to absorb electrons resulting from the cathode


Corrosion inhibitors and anti-scaling agents


Explosive materials

Production

1,000,000 - 10,000,000 lb

X-RAY ABSORBER IN FACEPLATES FOR COLOR TELEVISION TUBES, 77%; COMPONENT OF FERRITE MAGNETS, 16%; COMPONENT OF CERAMIC GLAZES, 2%; MISCELLANEOUS, 5% (1982)

GRADES: PRECIPITATED; TECHNICAL; NATURAL; REAGENT.

Electrical equipment, appliance, and component manufacturing|Carbonic acid, strontium salt (1:1): ACTIVE

Computed Properties

Molecular Weight:147.63
Hydrogen Bond Acceptor Count:3
Exact Mass:147.89035611
Monoisotopic Mass:147.89035611
Topological Polar Surface Area:63.2
Heavy Atom Count:5
Complexity:18.8
Covalently-Bonded Unit Count:2
Compound Is Canonicalized:Yes

Drug Function and Efficacy

Not specified in provided sources

This ingredient has been used in drugs with the following functions (note: it does not mean that the ingredient itself has the following health functions)

Related Drugs

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