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Merck
CN

409553

Calcium sulfide

−325 mesh, ≥99.9% trace metals basis

Synonym(s):

Calcium monosulfide

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About This Item

Linear Formula:
CaS
CAS Number:
20548-54-3
Molecular Weight:
72.14
NACRES:
NA.23
PubChem Substance ID:
24865657
UNSPSC Code:
26111700
EC Number:
243-873-5
MDL number:
MFCD00015990

Key Documents

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Product Name

Calcium sulfide, −325 mesh, ≥99.9% trace metals basis

InChI

1S/Ca.S

InChI key

JGIATAMCQXIDNZ-UHFFFAOYSA-N

SMILES string

S=[Ca]

assay

≥99.9% trace metals basis

form

powder

reaction suitability

reagent type: catalyst
core: calcium

particle size

−325 mesh

Application

Calcium sulfide may be used to remove heavy metals from wastewater.

General description

Crystal structure of CaS is cubic. Electrical conductivity of calcium sufide in the temperature range of 650oC-1000oC was studied in great detail. It was concluded that CaS could be used as a potential electrolyte in a sulfur concentration cell.2

Packaging

Packaged in glass bottles

signalword

Danger

Hazard Classifications

Aquatic Acute 1 - Eye Irrit. 2 - Flam. Sol. 1 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

supp_hazards

EUH031

Storage Class

4.1B - Flammable solid hazardous materials

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCS9544
MKCK4140
MKCC2237
MKBX6016V
MKBJ3751V

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Sandra Newbury et al.
Veterinary dermatology, 22(1), 75-79 (2010-07-08)
In an open non-randomized study, 90 cats with severe dermatophytosis were treated with 21 days of oral itraconazole at 10 mg/kg and one of three topical antifungal rinses applied twice weekly: lime sulphur (LSO); reformulated lime sulphur with an odour-masking
S Paterson et al.
Veterinary dermatology, 20(5-6), 623-629 (2010-02-25)
Chorioptic mange caused by Chorioptes bovis is a common pruritic skin condition of the horse. This surface-browsing parasite usually affects the lower legs (leg mange) but can present as a generalized skin disease. Numerous anecdotal reports exist in the literature
Alison Diesel et al.
Veterinary dermatology, 22(2), 197-201 (2010-09-28)
Lime sulphur is a common topical treatment for dermatophytosis in animals. Until recently, a single veterinary lime sulphur formulation was available. The purpose of this study was to compare the efficacy of eight lime sulphur products for in vitro growth
M Chrysochoou et al.
The Science of the total environment, 409(19), 4072-4077 (2011-07-09)
The goal of this study was to determine the influence of pH and oxygen conditions on the reaction kinetics of hexavalent chromium (Cr(VI)) with calcium polysulfide (CPS). The observed kinetic reaction rate, k(obs), between Cr(VI) and CPS was evaluated for
Kathryn L Bailey et al.
Ecotoxicology and environmental safety, 80, 195-202 (2012-03-27)
Foam delivery technology (FDT) uses surfactant based foam to immobilize subsurface contaminants in situ. Where traditional approaches are impractical, FDT has the potential to overcome many of the technical challenges facing the remediation of contaminated deep vadose zone environments. However
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