sulfanylidenecadmium

• ChemBase ID: 139567
• Molecular Formular: CdS
• Molecular Mass: 144.476
• Monoisotopic Mass: 145.875429
• SMILES: S=[Cd]
• Canonical SMILES: S=[Cd]
• InChI: InChI=1S/Cd.S
• InChIKey: CJOBVZJTOIVNNF-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: sulfanylidenecadmium
• IUPAC Traditional name: cadmium sulfide
• Synonyms: Cadmium sulfide; Organically stabilized cadmium sulfide nanoparticles in toluene; Lumidot™ CdS; 硫化镉; 甲苯中的有机稳定硫化镉量子点

Database IDs

• CAS Number: 1306-23-6
• EC Number: 215-147-8
• MDL Number: MFCD00010922
• PubChem SID: 24853040; 24852497; 162233815
• PubChem CID: 14783

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): 0.8328
• LogD (pH = 7.4): 0.8328
• Log P: 0.8328
• Molar Refractivity: 9.4338 cm^3
• Polarizability: 8.748035 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: H2O: insoluble
• Apperance: dispersion; powder
• Melting Point: -1750 °C (at a pressure of 100 bar)(lit.)
• Flash Point: 39.2 °F; 4 °C
• Density: 0.865 g/mL at 25 °C; 4.82 g/mL at 25 °C(lit.)
• Absorption Wavelength: 350-370 nm; 370-390 nm; 390-410 nm; 410-430 nm; 430-450 nm; 450-470 nm
• Fluorescence: λem 370-390 nm, FWHM 20 nm~; λem 390-410 nm, FWHM 18 nm; λem 410-430 nm, FWHM 18 nm; λem 430-450 nm, FWHM 20 nm; λem 450-470 nm, FWHM 18 nm; λem 470-490 nm, FWHM 20 nm

Safety Information

• European Hazard Symbols: Flammable (F); Toxic (T)
• UN Number: 1294; 3077
• German water hazard class: 3
• Hazard Class: 3; 9
• Packing Group: 2; 3
• Risk Statements: 45-63-11-38-48/20/22-65-67; 45-63-22-48/23/25-53-62-68
• Safety Statements: 53-16-36/37-45-62; 53-45-61
• GHS Pictograms: GHS02; GHS07; GHS08
• GHS Signal Word: Danger
• GHS Hazard statements: H225-H304-H315-H336-H350-H361d-H373; H302-H341-H350-H361fd-H372-H413
• GHS Precautionary statements: P201-P210-P261-P281-P301 + P310-P308 + P313; P201-P281-P308 + P313
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 1294 3/PG 2; UN 3077 9/PG 3
• Storage Temperature: 2-8°C

Product Information

• Purity: 99.995% trace metals basis
• Concentration: 5 mg/mL in toluene
• Grade: for synthesis
• Particle Size: ~2.3 nm; ~2.9 nm; ~3.4 nm; ~4.2 nm; ~5.0 nm; ~5.6 nm
• Mol. Weight: Mw 144.5 g/mol(lit.)
• Linear Formula: CdS

DETAILS

Sigma Aldrich - 662372

Analysis Note
Particle size was determined by TEM according to the procedure in Yu, W. W., et al., Chem. Mater., 2003, 15, 2854.
Quantum yield was measured following the procedure of Qu, L., Peng, X., J. Am. Chem. Soc., 2002, 124-2049.
General description
Organically stabilized cadmium sulfide quantum dots in toluene
Other Notes
Lifetime one year if stored properly
Packaging
5, 10 mL in glass bottle
Legal Information
Product of Nanoco Technologies sold under US and worldwide patents and patents pending.
Lumidot is a trademark of Sigma-Aldrich Co. LLC

Sigma Aldrich - 662402

Analysis Note
Particle size was determined by TEM according to the procedure in Yu, W. W., et al., Chem. Mater., 2003, 15, 2854.
Quantum yield was measured following the procedure of Qu, L., Peng, X., J. Am. Chem. Soc., 2002, 124-2049.
General description
Organically stabilized cadmium sulfide quantum dots in toluene
Other Notes
Lifetime one year if stored properly
Packaging
5, 10 mL in glass bottle
Legal Information
Product of Nanoco Technologies sold under US and worldwide patents and patents pending.
Lumidot is a trademark of Sigma-Aldrich Co. LLC

Sigma Aldrich - 662380

Analysis Note
Particle size was determined by TEM according to the procedure in Yu, W. W., et al., Chem. Mater., 2003, 15, 2854.
Quantum yield was measured following the procedure of Qu, L., Peng, X., J. Am. Chem. Soc., 2002, 124-2049.
General description
Organically stabilized cadmium sulfide quantum dots in toluene
Other Notes
Lifetime one year if stored properly
Packaging
5, 10 mL in glass bottle
Legal Information
Product of Nanoco Technologies sold under US and worldwide patents and patents pending.
Lumidot is a trademark of Sigma-Aldrich Co. LLC

Sigma Aldrich - 662429

Analysis Note
Particle size was determined by TEM according to the procedure in Yu, W. W., et al., Chem. Mater., 2003, 15, 2854.
Quantum yield was measured following the procedure of Qu, L., Peng, X., J. Am. Chem. Soc., 2002, 124-2049.
General description
Organically stabilized cadmium sulfide quantum dots in toluene
Other Notes
Lifetime one year if stored properly
Packaging
5, 10 mL in glass bottle
Legal Information
Product of Nanoco Technologies sold under US and worldwide patents and patents pending.
Lumidot is a trademark of Sigma-Aldrich Co. LLC

Sigma Aldrich - 217921

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.

Sigma Aldrich - 662410

Analysis Note
Particle size was determined by TEM according to the procedure in Yu, W. W., et al., Chem. Mater., 2003, 15, 2854.
Quantum yield was measured following the procedure of Qu, L., Peng, X., J. Am. Chem. Soc., 2002, 124-2049.
General description
Organically stabilized cadmium sulfide quantum dots in toluene
Other Notes
Lifetime one year if stored properly
Packaging
5, 10 mL in glass bottle
Legal Information
Product of Nanoco Technologies sold under US and worldwide patents and patents pending.
Lumidot is a trademark of Sigma-Aldrich Co. LLC

Sigma Aldrich - 208183

General description
Natural occurrence: hawleyite (structural type of sphalerite) and greenockite (structural type of wurtzite)
Packaging
100 g in poly bottle
500 g in glass 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.

Sigma Aldrich - 662364

Analysis Note
Particle size was determined by TEM according to the procedure in Yu, W. W., et al., Chem. Mater., 2003, 15, 2854.
Quantum yield was measured following the procedure of Qu, L., Peng, X., J. Am. Chem. Soc., 2002, 124-2049.
General description
Organically stabilized cadmium sulfide quantum dots in toluene
Other Notes
Lifetime one year if stored properly
Packaging
5, 10 mL in glass bottle
Legal Information
Product of Nanoco Technologies sold under US and worldwide patents and patents pending.
Lumidot is a trademark of Sigma-Aldrich Co. LLC