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Calcium sulfide (Ca(Sx))

CAS No.
1344-81-6
Chemical Name:
Calcium sulfide (Ca(Sx))
Synonyms
neviken;orthorix;LIME-SULPHUR;LIMESULPHURMIXTURE;CALCIUMPOLYSULPHIDE;Calcium polysulfides;Calcium sulfide (Ca(Sx))
CBNumber:
CB2920218
Molecular Formula:
CaS
Lewis structure
cas lewis structure
Molecular Weight:
72.144
MDL Number:
MOL File:
1344-81-6.mol
Last updated:2023-05-04 15:13:24

Calcium sulfide (Ca(Sx)) Properties

Boiling point 104.8℃[at 101 325 Pa]
Density 1.28 g/cm3(Temp: 15.6 °C)
vapor pressure 23.388hPa at 20℃
Water Solubility 99g/L at 25℃
FDA UNII 87N1QVL75L
EPA Substance Registry System Calcium polysulfide (1344-81-6)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS07,GHS09
Signal word  Warning
Hazard statements  H315-H319-H335-H400
Precautionary statements  P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P-P273-P391-P501
Hazard Codes  Xi,N
Risk Statements  31-36/37/38-50
Safety Statements  28-61
Toxicity man,TDLo,oral,891mg/kg (891mg/kg),GASTROINTESTINAL: ALTERATION IN GASTRIC SECRETIONBEHAVIORAL: MUSCLE WEAKNESS,Journal of Toxicology, Clinical Toxicology. Vol. 35, Pg. 299, 1997.

Calcium sulfide (Ca(Sx)) Chemical Properties,Uses,Production

Uses

Calcium sulfide (Ca(Sx)) can be used to control diseases such as powdery mildew and rust of crops and fruit trees, as well as cotton spider mites, etc. In recent years, it has been used in the field of chromium pollution remediation, and the process of reducing Cr(VI) to Cr(III) does not change the pH value of the water body.

Synthesis

Calcium sulfide (Ca(Sx)) is boiled with quicklime, sulfur and water. First mix the sulfur powder with a small amount of water into a paste, slowly pour it into the water and heat it to boil, add quicklime after boiling, stir while pouring, keep boiling for 50-60 minutes, until the color of the solution in the pot turns reddish-brown. The residue starts to turn green to get the product.

Calcium sulfide (Ca(Sx)) Preparation Products And Raw materials

Raw materials

Preparation Products

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Calcium sulfide (Ca(Sx)) CALCIUMPOLYSULPHIDE LIMESULPHURMIXTURE LIME-SULPHUR neviken orthorix Calcium polysulfides 1344-81-6 CaSx