Lead disulphide, also known as lead(II) sulfide, is a black solid with a metallic luster and is insoluble in water. It is a compound composed of lead and sulfur with the chemical formula PbS and is commonly found in nature as the mineral galena, serving as a significant ore of lead.
12137-74-5
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Basic information
- Product Name: lead disulphide
- Synonyms: lead disulphide
- CAS NO:12137-74-5
- Molecular Formula: PbS2-2
- Molecular Weight: 271.33
- EINECS: 235-241-2
- Product Categories: N/A
- Mol File: 12137-74-5.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: /
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: lead disulphide(CAS DataBase Reference)
- NIST Chemistry Reference: lead disulphide(12137-74-5)
- EPA Substance Registry System: lead disulphide(12137-74-5)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 12137-74-5(Hazardous Substances Data)
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12137-74-5 Usage
Uses
Used in Lead-Acid Battery Industry:Lead disulphide is used as a component in the production of lead-acid batteries for its ability to form a positive electrode when combined with lead dioxide.
Used in Infrared Radiation Detectors:
Lead disulphide is used as a material in infrared radiation detectors due to its unique properties that allow it to detect and respond to infrared light.
Used in Semiconductor Industry:
Lead disulphide is used in the production of semiconductors for its electronic properties, contributing to the development of various electronic devices and components.
However, due to its toxicity and the serious health risks associated with lead poisoning, efforts are being made to limit its use and find safer alternatives in various applications.
Check Digit Verification of cas no
The CAS Registry Mumber 12137-74-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,1,3 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.Calculate Digit Verification of CAS Registry Number 12137-74:
(7*1)+(6*2)+(5*1)+(4*3)+(3*7)+(2*7)+(1*4)=75
75 % 10 = 5
So 12137-74-5 is a valid CAS Registry Number.
InChI:InChI=1/Pb.2S/q+4;2*-2
12137-74-5Upstream product
12137-74-5Downstream Products
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lead disulphide
