Cadmium oxide
- Product Name
- Cadmium oxide
- CAS No.
- 1306-19-0
- Chemical Name
- Cadmium oxide
- Synonyms
- CdO;CDON;aska-rid;NCI-C02551;oxocadmium;cadmiumfume;kadmutlenek;CadiuM oxide;Kadmu tlenek;CADMIUM OXIDE
- CBNumber
- CB9282559
- Molecular Formula
- CdO
- Formula Weight
- 128.41
- MOL File
- 1306-19-0.mol
Cadmium oxide Property
- Melting point:
- 900°C
- Boiling point:
- 1385 °C
- Density
- 8.15 g/mL at 25 °C(lit.)
- storage temp.
- Store below +30°C.
- solubility
- 0.0021g/l
- form
- powder
- color
- brown
- Specific Gravity
- 8.15
- Odor
- Odorless
- PH
- 9-10 (H2O)(aqueous suspension)
- Water Solubility
- insoluble. <0.1 g/100 mL at 20 ºC
- Crystal Structure
- Cubic, Halite Structure - Space Group Fm3m
- Merck
- 14,1623
- crystal system
- Cube
- Space group
- Fm3m
- Lattice constant
a/nm b/nm c/nm α/o β/o γ/o V/nm3 0.4699 0.4699 0.4699 90 90 90 0.1038 - Exposure limits
- ACGIH: TWA 0.01 mg/m3; TWA 0.002 mg/m3
NIOSH: IDLH 9 mg/m3 - Stability:
- Stable. Incompatible with magnesium.
- CAS DataBase Reference
- 1306-19-0(CAS DataBase Reference)
- NIST Chemistry Reference
- Cadmium oxide(1306-19-0)
- EPA Substance Registry System
- Cadmium oxide (1306-19-0)
Safety
- Hazard Codes
- T,N,T+
- Risk Statements
- 49-22-48/23/25-68-63-62-50/53-26-45
- Safety Statements
- 53-45-61-60
- RIDADR
- UN 2570 6.1/PG 3
- WGK Germany
- 2
- RTECS
- EV1925000
- TSCA
- Yes
- HS Code
- 2825 90 60
- HazardClass
- 6.1
- PackingGroup
- III
- Hazardous Substances Data
- 1306-19-0(Hazardous Substances Data)
- Toxicity
- LC50 in rats, monkeys (mg/m3): 500, ~15000 (Barrett)
- IDLA
- 9 mg Cd/m3[Unc h]
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H330Fatal if inhaled
H341Suspected of causing genetic defects
H350May cause cancer
H372Causes damage to organs through prolonged or repeated exposure
H410Very toxic to aquatic life with long lasting effects
- Precautionary statements
-
P202Do not handle until all safety precautions have been read and understood.
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P273Avoid release to the environment.
N-Bromosuccinimide Price
- Product number
- 202894
- Product name
- Cadmium oxide
- Purity
- ≥99.99% trace metals basis
- Packaging
- 5g
- Price
- $56
- Updated
- 2024/03/01
- Product number
- 202894
- Product name
- Cadmium oxide
- Purity
- ≥99.99% trace metals basis
- Packaging
- 25g
- Price
- $186
- Updated
- 2024/03/01
- Product number
- 1.02015
- Product name
- Cadmium oxide
- Purity
- EMPLURA?
- Packaging
- 5kg
- Price
- $599
- Updated
- 2024/03/01
- Product number
- 010664
- Product name
- Cadmium oxide, Puratronic?, 99.998% (metals basis)
- Packaging
- 25g
- Price
- $85.1
- Updated
- 2023/06/20
- Product number
- 010664
- Product name
- Cadmium oxide, Puratronic?, 99.998% (metals basis)
- Packaging
- 100g
- Price
- $298
- Updated
- 2023/06/20
Cadmium oxide Chemical Properties,Usage,Production
Description
Cadmium oxide forms brownish-red crystalsor a yellow to dark brown amorphous powder. Molecularweight=128.4; Freezing/Melting point=900℃ (slowdecomposition begins at 700℃); Sublimation point 51559℃. Hazard Identification (based on NFPA-704 MRating System): Health 3, Flammability 0, Reactivity 0.Very slightly soluble in water.
Chemical Properties
dark brown powder or crystals
Chemical Properties
Cadmium fume (as Cd) is fi nely divided solid particles dispersed in air.
Chemical Properties
Cadmium oxide forms brownish-red crystals or a yellow to dark brown amorphous powder.
Physical properties
Occurs in two forms, alpha form—a colorless amorphous powder, and beta form—a reddish-brown crystal; density 6.95 g/cm3 (alpha form) and 8.15 g/cm3 (beta form); decomposes on rapid heating at 900°C; sublimation temperature 1,559°C; insoluble in water and alkalis; dissolves in mineral acids.
Uses
Cadmium oxide is used as an electroplating chemical, catalyst, component of semiconductors, and starting material for PCV heat stabilizers; in glass and ceramic glazes; for production of cadmium electrodes in storage batteries; and in other applications.
Uses
This is used for cadmium plating baths, electrodes for batteries (cells), ceramic glazes, and insecticides. CdO is a deadly poison and carcinogen.
Uses
In phosphors, semiconductors; manufacture of silver alloys, glass; in storage battery electrodes; as nematocide; as catalyst for organic reactions, in cadmium electroplating; in ceramic glazes.
Production Methods
Cadmium oxide is manufactured commercially by distilling cadmium metal from graphite retort and allowing vapor to react with air.
Preparation
Cadmium oxide is prepared by the reaction of cadmium vapor with oxygen. The metal is first melted in a steel retort and transported into a heated chamber where it is vaporized. The vapor is reacted with air, and the cadmium oxide formed is collected in a bag house. The particle size of the product depends on the ratio of air to cadmium vapor. The oxide may be further purified and particles of uniform size may be obtained by calcination at low red heat.
Cadmium oxide also may be prepared by several other routes starting with various cadmium salts. The compound can be made by thermal decomposition of cadmium carbonate or cadmium hydroxide:
CdCO3 → CdO + CO2
Cd(OH)2 → CdO + H2O
Similar thermal decomposition of cadmium nitrate or sulfate would yield the oxide.
he oxide. Cadmium oxide also may be made by high temperature oxidation of cadmium sulfide:
2CdS + 3O2 → 2CdO + 2SO2
Finely divided oxide may be obtained by pyrolysis of cadmium salts of carboxylic acids, such as cadmium formate or oxalate.
(COOH)2Cd → CdO + H2O + 2CO
(COO)2Cd → CdO + CO2 + CO
General Description
Brown crystals or brown amorphous powder. Used as an electroplating chemical and in the manufacture of cadmium electrodes. Is a component of silver alloys, phosphors, semiconductors, glass and ceramic glazes. Formerly used by veterinarians to kill worms and parasites.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
Cadmium oxide reacts violently with magnesium.
Hazard
Inhalation of vapor or fume may be fatal. A confirmed carcinogen.
Health Hazard
The lethal inhalation dose of Cadmium oxide in humans is 2,500 mg/m3 for a 1 minute exposure. Lethal exposure has been established at 50 mg (cadmium)/m3 for 1 hour for Cadmium oxide dust and 1/2 hour for the fume. These concentrations may be inhaled without sufficient discomfort to warn worker of exposure. Inhalation may cause acute tracheobronchitis, pneumonitis, and pulmonary edema. Exposure can cause kidney and lung damage. Acute exposure by inhalation may cause death by anoxia. The lowest human toxic inhalation concentration is 8.630 mg/m3/5 hours for the fume. Persons with respiratory disorders should be excluded from contact with Cadmium oxide.
Health Hazard
Exposure to cadmium fume causes adverse health effects among occupational workers. The symptoms of toxicity and poisoning include, but are not limited to, pulmonary edemadyspnea, coughing, tight chest, substernal pain, headaches, chills, muscle aches, nausea, vomiting, diarrhea, emphysema, proteinuria, anosmia, and mild anemia. Exposures also cause kidney and lung damage
Fire Hazard
When heated to decomposition, Cadmium oxide emits toxic fumes of cadmium. (Non-Specific -- Cadmium Compounds) Fire may produce irritating or poisonous gases. Runoff from fire control or dilution water may cause pollution. Oxides of cadmium react explosively with magnesium when heated.
Safety Profile
Confirmed human carcinogen with experimental neoplastigenic data. Poison by ingestion, inhalation, and intraperitoneal routes. An experimental teratogen. Other experimental reproductive effects. Human systemic effects by inhalation include: change in the sense of smell, change in heart rate, blood pressure increase, an excess of protein in the urine, and other kidney or bladder changes. Mixtures with magnesium explode when heated. When heated to decomposition it emits toxic fumes of Cd. See also CADMIUM COMPOUNDS.
Potential Exposure
Cadmium oxide is used as an electroplating chemical and in the manufacture of semiconductors and cadmium electrodes; synthesis of other cadmium salts; a component of silver alloys, phosphorus, glass and ceramic glazes, semiconductors, and batteries. Used as a vermicide
First aid
If this chemical gets into the eyes, remove anycontact lenses at once and irrigate immediately for at least15 min, occasionally lifting upper and lower lids. Seekmedical attention immediately. If this chemical contacts theskin, remove contaminated clothing and wash immediatelywith soap and water. Seek medical attention immediately. Ifthis chemical has been inhaled, remove from exposure,begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR ifheart action has stopped. Transfer promptly to a medicalfacility. When this chemical has been swallowed, get medical attention. Give large quantities of water and inducevomiting. Do not make an unconscious person vomit.Medical observation is recommended for 24-48 h afterbreathing overexposure, as pulmonary edema may bedelayed. As first aid for pulmonary edema, a doctor orauthorized paramedic may consider administering a corticosteroid spray.Note to Physician: In case of fume inhalation, treat pulmonary edema. Give prednisone or other corticosteroid orallyto reduce tissue response to fume. Positive-pressure ventilation may be necessary. Treat metal fume fever with bedrest, analgesics, and antipyretics. The symptoms of metalfume fever may be delayed for 4-12 h following exposure:it may last less than 36 h.Note to physician: For severe poisoning do not useBAL [British Anti-Lewisite, dimercaprol, dithiopropanol(C3H8OS2)] as it is contraindicated or ineffective inpoisoning from cadmium.
storage
Color Code—Blue: Health Hazard: Store in asecure poison location. Prior to working with cadmiumoxide you should be trained on its proper handling and storage. Store in tightly closed containers in a cool,well-ventilated area, away from magnesium, oxidizers,combustible materials, heat, moisture, and acids. Where thischemical is used, handled, manufactured, or stored, useexplosion-proof electrical equipment and fittings. A regulated, marked area should be established where this chemical is handled, used, or stored in compliance with OSHAStandard 1910.1045.
Shipping
UN2570 Cadmium compounds, Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required.
Incompatibilities
Oxides of cadmium react explosively with magnesium, especially when heated. Heat above 700C causes slow decomposition. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); light metals: contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, hydrogen sulfide, hydrazine nitrate. May ignite combustibles, such as wood, paper, oil, etc
Waste Disposal
Form nitrate with HNO3, precipitate with H2S, filter, package and return to supplier.
Cadmium oxide Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Cadmium oxide manufacturers
- Product
- Cadmium oxide 1306-19-0
- Price
- US $15.00-10.00/KG
- Min. Order
- 1KG
- Purity
- 99%+ HPLC
- Supply Ability
- Monthly supply of 1 ton
- Release date
- 2021-06-27
- Product
- Cadmium oxide 1306-19-0
- Price
- US $1.00/g
- Min. Order
- 1g
- Purity
- 99%
- Supply Ability
- 10000KGS
- Release date
- 2019-12-26