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Kalkstein

CALCIUM CARBONATE Struktur
1317-65-3
CAS-Nr.
1317-65-3
Bezeichnung:
Kalkstein
Englisch Name:
CALCIUM CARBONATE
Synonyma:
CALCITE;CHALK;ARAGONITE;GROUND LIMESTONE;PRECIPITATED CHALK;WHITING;Agstone;KALKSPAR;domolite;franklin
CBNumber:
CB2356871
Summenformel:
CCaO3
Molgewicht:
100.09
MOL-Datei:
1317-65-3.mol

Kalkstein Eigenschaften

Schmelzpunkt:
825 °C
Siedepunkt:
2850 °C
Dichte
2.93 g/mL at 25 °C(lit.)
L?slichkeit
5 M HCl: 0.1 M at 20 °C, clear, colorless
Aggregatzustand
random crystals
Farbe
Gray
Solubility Product Constant (Ksp)
pKsp: 8.47
CAS Datenbank
1317-65-3(CAS DataBase Reference)
EPA chemische Informationen
Limestone (1317-65-3)
Sicherheit
  • Risiko- und Sicherheitserkl?rung
  • Gefahreninformationscode (GHS)
Kennzeichnung gef?hrlicher Xi
R-S?tze: 37/38-41
S-S?tze: 26-36/37/39
OEB B
OEL TWA: 10 mg/m3 (total)
WGK Germany  -
RTECS-Nr. FF9335000
Bildanzeige (GHS) GHS hazard pictogramsGHS hazard pictograms
Alarmwort Achtung
Gefahrenhinweise
Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code
H315 Verursacht Hautreizungen. Hautreizung Kategorie 2 Warnung GHS hazard pictogramssrc="/GHS07.jpg" width="20" height="20" /> P264, P280, P302+P352, P321,P332+P313, P362
H318 Verursacht schwere Augensch?den. Schwere Augensch?digung Kategorie 1 Achtung GHS hazard pictogramssrc="/GHS05.jpg" width="20" height="20" /> P280, P305+P351+P338, P310
Sicherheit
P264 Nach Gebrauch gründlich waschen.
P264 Nach Gebrauch gründlich waschen.
P280 Schutzhandschuhe/Schutzkleidung/Augenschutz tragen.
P302+P352 BEI BERüHRUNG MIT DER HAUT: Mit viel Wasser/... (Hersteller kann, falls zweckm??ig, ein Reinigungsmittel angeben oder, wenn Wasser eindeutig ungeeignet ist, ein alternatives Mittel empfehlen) waschen.
P305+P351+P338 BEI KONTAKT MIT DEN AUGEN: Einige Minuten lang behutsam mit Wasser spülen. Eventuell vorhandene Kontaktlinsen nach M?glichkeit entfernen. Weiter spülen.
P310 Sofort GIFTINFORMATIONSZENTRUM/Arzt/ anrufen.
P321 Besondere Behandlung
P332+P313 Bei Hautreizung: ?rztlichen Rat einholen/?rztliche Hilfe hinzuziehen.
P362 Kontaminierte Kleidung ausziehen und vor erneutem Tragen waschen.

Kalkstein Chemische Eigenschaften,Einsatz,Produktion Methoden

R-S?tze Betriebsanweisung:

R37/38:Reizt die Atmungsorgane und die Haut.
R41:Gefahr ernster Augensch?den.

S-S?tze Betriebsanweisung:

S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36/37/39:Bei der Arbeit geeignete Schutzkleidung,Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.

Beschreibung

Calcite is one of the most common minerals on the face of the earth, comprising about 4% by weight of the earth’s crust and is formed in many different geological environments. Calcite can form rocks of considerable mass and constitutes a significant part of all three major rock classification types. It forms oolitic, fossiliferous and massive limestones in sedimentary environments and even serves as the internal cement for many sandstones and shales.Calcite is even a major component in the igneous rock called carbonatite and forms the major portion of many hydrothermal veins. Not necessarily a variety of calcite, cave formations are certainly a unique aspect of calcite’s story.

Chemische Eigenschaften

Calcium carbonate is a white, odorless powder, or crystalline solid.

Verwenden

Source of lime; neutralizing agent, filler, and extender in rubber, plastics, paints; opacifying agent in paper; fortification of bread; putty; tooth pow- ders; antacid; whitewash; Portland cement; sulfur dioxide removal from stack gases; metallurgical flux; analytical chemistry; carbon dioxide gener- ation (laboratory).

synthetische

The calcite present is derived mostly from the remains of organisms such as clams, brachiopods, bryozoa, crinoids and corals. These animals live on the bottom of the sea and when they die their shells accumulate into piles of shelly debris. This debris can then form beds of limestone. Some limestones may have been derived from nonbiogenic calcite formation.

Definition

Aragonite: An anhydrous mineral form of calcium carbonate, CaCO3, which occurs associated with limestone and in some metamorphic rocks. It is also the main ingredient of pearls. It is not as stable as calcite, into which it may change over time.
Calcite:A mineral form of calcium carbonate occurring in limestone, chalk, and marble.
Charlk: A natural form of calcium carbonate (CaCO3) formed originally by marine organisms. (Blackboard chalk is calcium sulfate, CaSO4.).

Allgemeine Beschreibung

Odorless, white to tan powder.

Reaktivit?t anzeigen

CALCIUM CARBONATE has generally low chemical reactivity. Is non-combustible. Decomposes at high temperature (825°C) to give gaseous carbon dioxide and calcium oxide (quicklime). Incompatible with acids, alum, ammonium salts, fluorine, magnesium. Reacts with acids and acidic salts to generate gaseous carbon dioxide with effervescence (bubbling). The reaction is rapid and exothermic with concentrated solutions of acids. The efferversence can create extensive foaming. Ignites on contact with fluorine.

Hazard

A nuisance particulate dust.

Health Hazard

Calcium carbonate is considered to be a nuisance dust.
Although no adverse effects have been reported in the literature among workers exposed to calcium carbonate, high concentrations of the dust would be expected to act as a physical irritant to the eyes and skin.1 Fourteen British workers exposed to heavy calcium carbonate concentrations for 12–35 years showed no trace abnormalities due to dust or any clinical sign of pneumoconiosis or chronic bronchitis on X ray.2 Long exposure to high dust concentrations of pure calcium carbonate (quartz content less than 1.1%) did not result in lung fibrosis.

Landwirtschaftliche Anwendung

Limestone or dolomite, used in agriculture for liming the soil, is ground to a fineness to ensure that 50% of the particles pass through a 1.70mm Indian Standards (IS) sieve, and 50% is retained on a 150micron IS sieve.

Sicherheitsprofil

A nuisance dust. An eye and skin irritant. Igmtes on contact with F2. Incompatible with acids, ammonium salts, (Mg + H2). Calcium carbonate is a common air contaminant. See also CALCIUM COMPOUNDS.

m?gliche Exposition

Calcium carbonate is used as a source of lime; neutralizing agent; manufacturing or rubber, plastics, paint and coatings; sealants, paper, dentifrices, ceramics, putty, polishes and cleaners, insecticides, inks and cosmetics; whitewash; Portland cement; antacids; analytical chemistry, and others

Inkompatibilit?ten

Calcium carbonate decomposes in high temperature forming carbon dioxide and corrosive materials

Waste disposal

Landfills. It is the responsibility of chemical waste generators to determine if a discarded chemical is classified as a hazardous waste. See 40 CFR Parts 261.3 for United States Environmental Protection Agency guidelines for the classification determination. In addition, in order to ensure complete and accurate classification, waste generators must consult state and local hazardous waste regulations.

Kalkstein Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


Kalkstein Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

Global( 130)Lieferanten
Firmenname Telefon E-Mail Land Produktkatalog Edge Rate
Shaanxi Dideu Medichem Co. Ltd
+86-29-81148696 +86-15536356810
1022@dideu.com China 3882 58
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512
info@tianfuchem.com China 21634 55
Hubei Jusheng Technology Co.,Ltd.
18871490254
linda@hubeijusheng.com CHINA 28172 58
Shanghai Longyu Biotechnology Co., Ltd.
+8619521488211
info@longyupharma.com China 2558 58
Chongqing Chemdad Co., Ltd
+86-023-6139-8061 +86-86-13650506873
sales@chemdad.com China 39894 58
Hefei TNJ Chemical Industry Co.,Ltd.
+86-0551-65418671 +8618949823763
sales@tnjchem.com China 34563 58
Dorne Chemical Technology co. LTD
+86-86-13583358881 +8618560316533
Ethan@dornechem.com China 3097 58
Hebei Qige Biological Technology Co. Ltd
+86 +8618733132031
CHINA 1303 58
Henan Alfa Chemical Co., Ltd

China 12005 58
Hebei Fengjia New Material Co., Ltd
+86-0311-87836622 +86-17333973358
sales06@hbduling.cn China 8051 58

1317-65-3(Kalkstein)Verwandte Suche:


  • PARIS WHITE
  • CALCIUM CARBONATE 325
  • WHITING
  • lime stones
  • CHALK, PRECIPITATED
  • ENGLISH WHITE
  • KALKSPAR
  • ICELAND SPAR
  • FORMAXX(R) CALCIUM CARBONATE
  • CALCIUM (II) CARBONATE
  • CALCIUM CARBONATE, LIGHT
  • CALCII CARBONAS
  • CALCIUM CARBONATE FROM OYSTER SHELL
  • LIME STONE POWDER
  • CALCIUM CARBONATE (FOOD GRADE)
  • CALCIUM CARBONATE POWDER, 99.50(CACO3)
  • CALCIUM CARBONATE LIGHT (U-208)
  • CHALKPOWDER
  • MARBLEDUST
  • CALCIUMCARBONATEMINERAL
  • Calciumcarbonat
  • agricultural limestone
  • Agstone
  • bell mine pulverized limestone
  • domolite
  • flux lime
  • franklin
  • lithograpic stone
  • natural calcium carbonate
  • MAGGRAN(R) CCPLUS
  • MAGGRAN(R) CC
  • MAGNESIA 84460
  • MAGNESIA 84472
  • MAGNESIA 84470
  • MAGNESIA 84479
  • MARBLE CHIPS
  • portland stone
  • sohnhofen stone
  • VICRON 15-15 FG LIMESTONE
  • CalciumCarbonateCaCO3
  • Micromarble
  • Calcium carbonate- respirable dust
  • 99% purity CALCIUM CARBONATE
  • PRECIPITATED CHALK
  • GROUND LIMESTONE
  • CALCITE
  • ARAGONITE
  • CHALK
  • 1317-65-3
  • 472-34-1
  • Alphabetic
  • Synthetic Reagents
  • Inorganic Bases
  • CA - CG
  • Analytical Standards
  • Analytical Chromatography Product Catalog
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