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Zinc carbonate(CAS No. 3486-35-9)

Zinc carbonate ZnCO3 (cas 3486-35-9) Molecular Structure

3486-35-9 Structure

Identification and Related Records

【Name】
Zinc carbonate
【CAS Registry number】
3486-35-9
【Synonyms】
Carbonic acid, zinc salt (1:1)
Natural smithsonite
Zinc carbonate (1:1)
【EINECS(EC#)】
222-477-6
【Molecular Formula】
ZnCO3 (Products with the same molecular formula)
【Molecular Weight】
125.42
【Inchi】
InChI=1/CH2O3.Zn/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2
【InChIKey】
FMRLDPWIRHBCCC-UHFFFAOYSA-L
【Canonical SMILES】
C(=O)([O-])[O-].[Zn+2]
【MOL File】
3486-35-9.mol

Chemical and Physical Properties

【Appearance】
White powder
【Density】
4,398 g/cm3
【Boiling Point】
333.6 °C at 760 mmHg
【Flash Point】
169.8 °C
【Water】
Insoluble in water.
【Solubilities】
Insoluble in water.
【Color/Form】
WHITE RHOMBIC CRYSTALS
WHITE, CRYSTALLINE POWDER
RHOMBOHEDRAL STRUCTURE
【Stability】
Stable. Incompatible with acids.
【Storage temp】
Store in a cool, dry place. Keep containers tightly closed.
【Spectral properties】
INDEX OF REFRACTION: 1.818, 1.618
【Computed Properties】
Molecular Weight:125.4179 [g/mol]
Molecular Formula:CO3Zn
H-Bond Donor:0
H-Bond Acceptor:3
Rotatable Bond Count:0
Exact Mass:123.91389
MonoIsotopic Mass:123.91389
Topological Polar Surface Area:63.2
Heavy Atom Count:5
Formal Charge:0
Complexity:18.8
Isotope Atom Count:0
Defined Atom Stereocenter Count:0
Undefined Atom Stereocenter Count:0
Defined Bond Stereocenter Count:0
Undefined Bond Stereocenter Count:0
Covalently-Bonded Unit Count:2

Safety and Handling

【Safety Statements 】
S24/25
【HazardClass】
9.2
【Safety】

An experimental teratogen. When heated to decomposition it emits toxic fumes of CO and Zn.

【Exposure Standards and Regulations】
Trace minerals added to animal feeds as nutritional dietary supplements are generally recognized as safe when added at levels consistent with good feeding practice. Zinc carbonate is included on this list.
【Specification】

? Carbonic acid, zinc salt (1:1) , with CAS number of 3486-35-9, can be called Carbonic acid, zinc salt, basic ; [Carbonato(2-)-kappa~2~O,O']zinc ; Zinc carbonate ; Zinc, [carbonato(2-)-kappaO,kappaO']- ; Naturalsmithsonite ; Zinccarbonate(1:1) ; Zincmonocarbonate?. It is?a?white crystalline solid or powder that is insoluble in water. The primary hazard is the threat posed to the environment. Immediate steps should be taken to limit its spread to the environment.?Carbonic acid, zinc salt (1:1) (CAS NO.3486-35-9) is used in pharmaceuticals, to make other zinc compounds, as a feed additive.

【Report】

Reported in EPA TSCA Inventory.

【Disposal Methods】
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.

Use and Manufacturing

【Use and Manufacturing】
Methods of Manufacturing

GRINDING THE MINERAL SMITHSONITE; ACTION OF SODIUM BICARBONATE ON SOLN OF A ZINC SALT.
【Usage】

As fire-proofing filler for rubber & plastic compositions exposed to flame temperature, in cosmetics & lotions, manufacture zinc salts, as feed additive, topical antiseptic.

Biomedical Effects and Toxicity

【Therapeutic Uses】
MEDICATION (VET): ASTRINGENT, ANTISEPTIC, PROTECTIVE (TOPICAL). ALSO USED IN RATIONS TO PREVENT ZINC DEFICIENCY DISEASES.
MEDICATION (VET): Zinc carbonate is used as a dietary supplement for farm animals.
Astringent, topical antiseptic.
【Biomedical Effects and Toxicity】
The effects of different amounts of dietary zinc on the zinc absorption rate and on zinc, calcium and magnesium concn in tissues of MOPC104E tumor bearing Balb/c female mice were determined. Three groups of 7 mice each (each mouse inoculated with approx 1.25 million MOPC104E cells) were given one of three experimental diets containing adequate amounts of zinc (40 ug zinc/g), a zinc deficient diet (1.0 ug zinc/g), or a zinc excess diet (1 mg zinc/g). A group of 7 nontumor bearing mice was fed laboratory mice chow as a control. The zinc deficient diet contained 37.5 ug zinc/g. For the zinc adequate diet, 71.0 mg zinc carbonate/kg diet was added to the zinc deficient diet. For the zinc excess diet 1917.9 mg zinc carbonate/kg diet was added. After 14 days on the special diets, mice were given an intragastric dose of a 200 ul solution containing 0.37 MBq (65)zinc (specific activity: 37 MBq/mg). (65)Zn was determined in various organs by gamma counting. Another set of 28 mice were placed in the same experimental conditions as described above. After anesthesia with nembutal injection, each organ was analyzed for concn of zinc, calcium, and magnesium by atomic absorption spectrophotometry. The zinc absorption rate was inversely related to the amounts of zinc in the diet and was lower than that of nontumor bearing control mice fed a laboratory mice chow. Zinc concn of tumor bearing mice were also low compared with control mice but tumor zinc concn, regardless of the concn of zinc in the diets, were higher than those of normal tissues of the host other than the pancreas. [Song MK et al; Am J Clin Nutr 49 (4): 701-7 (1989)] PubMed Abstract

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