Submitted by ivars211 on
Formula:
CaCO3
Synonyms:
Precipitated chalk, Limestone, Calcite, Carbonic acid calcium salt
Description:
Colorless powder. It slowly reacts with NH4ClO4 in presence of moisture. Calcium carbonate is often used in toy fireworks as a cheap substitute for strontium salts, but the flame is reddish orange and not so beautiful as e.g. with SrCO3.
Sources:
A cheap source is the ceramics supply. Price is about $3/kg for the technical grade. you can also get it easely by powdering clean egg shells.
Hazards:
Dust may cause irritation to eyes, skin or respiratory system. Wear gloves, protection goggles and dust mask when manipulating fine powder.
MSDS:
Compositions containing Calcium carbonate :
Allen chlorate report #7Composition |
Exploding target composition |
Faber Brown smokeComposition |
Jennings-White orange star |
Perigrin orange star #1Composition |
Perigrin orange star #2Composition |
Perigrin orange star #3Composition |
Red fire composition #6Composition |
Veline's chartreuse starComposition 33.66 Potassium perchlorate 18.46 Barium nitrate 11.54 Barium carbonate 2.88 Calcium carbonate 14.42 Parlon 5.58 Red gum 9.61 Magnalium (200 mesh) 3.85 Dextrin |
Veline's orange starComposition |