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Cadmium sulfide

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  • Name Cadmium sulfide
  • EINECS215-147-8
  • CAS No. 1306-23-6
  • Density4.82 g/mL at 25 °C(lit.)
  • PSA32.09000
  • LogP0.64570
  • Solubilityinsoluble in water
  • Melting Point980°C (subl.)
  • FormulaCdS
  • Boiling PointN/A
  • Molecular Weight144.46
  • Flash PointN/A
  • Transport InformationUN 3077 9/PG 3
  • Appearanceyellow to orange crystalline powder
  • Safety53-45-61
  • Risk Codes45-22-48/23/25-53-62-63-68
  • Molecular Structure
    Molecular Structure of 1306-23-6 (Cadmium sulfide)
  • Hazard SymbolsToxicT,DangerousN
  • SynonymsToxicT,DangerousN

Cadmium sulfide Chemical Properties


MF: CdS
MW: 144.48
EINECS: 215-147-8
MP:  980°C (subl.)
Density:  4.82 g/mL at 25 °C(lit.)
Form:  powder
Merck:  14,1628
CAS DataBase Reference: 1306-23-6(CAS DataBase Reference)

Cadmium sulfide Production

1、Industrially the production of thin films of CdS, required in e.g. photoresistors and chemical bath deposition (CBD), has been investigated using the hydrolysis of thiourea as the source of sulfide anions and an ammonium salt /ammonia buffer solution to control pH.
2、Cadmium sulfide can be produced from volatile cadmium alkyls, an example is the reaction of dimethylcadmium with diethyl sulfide to produce a film of CdS using metalorganic vapour phase epitaxy techniques.

Cadmium sulfide Toxicity Data With Reference

1.    

cyt-hmn:leu 62 µg/L

    PJACAW    Proceedings of the Japan Academy. 48 (1972),133.
2.    

otr-ham:emb 1 mg/L

    CNREA8    Cancer Research. 42 (1982),2757.
3.    

dnd-ham:ovr 10 mg/L

    CRNGDP    Carcinogenesis. 3 (1982),657.
4.    

orl-rat LD50:7080 mg/kg

    41HTAH    Aktualnye Problemy Gigieny Truda. Current Problems of Labor Hygiene Tarasenko, N.Y., ed.,Moscow, USSR.: Pervyi Moskovskii Meditsinskii Inst.,1978,14.
5.    

orl-mus LD50:1166 mg/kg

    41HTAH    Aktualnye Problemy Gigieny Truda. Current Problems of Labor Hygiene Tarasenko, N.Y., ed.,Moscow, USSR.: Pervyi Moskovskii Meditsinskii Inst.,1978,14.
6.    

ihl-mus LCLo:1350 mg/m3

    NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) PB158-508 .

Cadmium sulfide Consensus Reports

Cadmium and its compounds are on the Community Right-To-Know List. Reported in EPA TSCA Inventory.

Cadmium sulfide Safety Profile

Hazard Codes:  TToxic,NDangerous
Risk Statements:  45-22-48/23/25-53-62-63-68 
R45:May cause cancer. 
R22:Harmful if swallowed. 
R23/25:Toxic by inhalation and if swallowed. 
R48:Danger of serious damage to health by prolonged exposure. 
R53:May cause long-term adverse effects in the aquatic environment. 
R62:Risk of impaired fertility. 
R63:Possible risk of harm to the unborn child. 
R28:Very toxic if swallowed.
Safety Statements:  53-45-61 
S53:Avoid exposure - obtain special instructions before use. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR:  UN 3077 9/PG 3
WGK Germany:  3
RTECS:  EV3150000
HazardClass:  6.1
PackingGroup:  III
Moderately toxic by ingestion and inhalation. Human mutation data reported. When heated to decomposition it emits very toxic fumes of Cd and SOx.

Cadmium sulfide Standards and Recommendations

OSHA PEL: TWA 5 μg(Cd)/m3
ACGIH TLV: TWA 0.002 mg(Cd)/m3 (respirable dust), Suspected Human Carcinogen); BEI: 5 μg/g creatinine in urine; 5 μg/L in blood
DFG MAK: Animal Carcinogen, Suspected Human Carcinogen
NIOSH REL: (Cadmium) Reduce to lowest feasible level

Cadmium sulfide Specification

1、Fire Fighting Measures of Cadmium sulfide (CAS NO.1306-23-6) 
General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. 
Extinguishing Media: Substance is noncombustible; use agent most appropriate to extinguish surrounding fire. 
2、Handling and Storage of Cadmium sulfide (CAS NO.1306-23-6)
Handling: Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood. 
Storage: Store in a cool, dry place. Store in a tightly closed container. 

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