Cadmium sulfide

• Catalog No.: 217921
• CAS Number: 1306-23-6
• M. F.: CdS
• M. W.: 144.476
• Purity: 99.995% trace metals basis

SYNONYMS

• Title: 硫化镉
• IUPAC name: sulfanylidenecadmium
• IUPAC Traditional name: cadmium sulfide

DATABASE IDS

• CAS Number: 1306-23-6
• MDL Number: MFCD00010922
• EC Number: 215-147-8
• PubChem SID: 24853040

PROPERTIES

• Linear Formula: CdS
• Mol. Weight: Mw 144.5 g/mol(lit.)
• Purity: 99.995% trace metals basis
• Apperance: powder
• Density: 4.82 g/mL at 25 °C(lit.)
• Melting Point: -1750 °C (at a pressure of 100 bar)(lit.)
• Solubility: H2O: insoluble
• GHS Signal Word: Danger
• GHS Hazard statements: H302-H341-H350-H361fd-H372-H413
• European Hazard Symbols: Toxic (T)
• GHS Precautionary statements: P201-P281-P308 + P313
• RID/ADR: UN 3077 9/PG 3
• Risk Statements: 45-63-22-48/23/25-53-62-68
• Safety Statements: 53-45-61
• Hazard Class: 9
• UN Number: 3077
• Packing Group: 3
• German water hazard class: 3

DETAILS

Description (English)

General description
Natural occurrence: hawleyite (structural type of sphalerite) and greenockite (structural type of wurtzite)
Packaging
20 g in poly bottle
Application
Applications: pigment in the chemical industry; photoresistors; optical-electronic pairs, photodiodes, solar batteries; phosphors. Single crystals of cadmium sulfide are used for the preparation of optical devices operating in the infrared regaion of spectrum. Cadmium sulfide is a direct band gap semiconductor with a band gap band from 2.42 to 2.57 eV.

Description (简体中文)

General description
天然存在：方硫镉矿（闪锌矿结构类型）和硫镉矿（纤维锌矿结构类型）
包装
20 g in poly bottle
Application
应用：化学工业颜料；光敏电阻器；光电子对、光电二极管、太阳能电池；荧光粉。硫化镉的单晶用于制备在光谱的红外区工作的光学器件。硫化镉是一种直接带隙半导体，带隙为 2.42 至 2.57eV。