Cadmium oxide CAS 1306-19-0

Introduction：Basic information about Cadmium oxide CAS 1306-19-0, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Cadmium oxide Basic information
2. Cadmium oxide Chemical Properties
3. Safety Information
4. Cadmium oxide Usage And Synthesis
5. Cadmium oxide Preparation Products And Raw materials

Cadmium oxide Basic information

Product Name:	Cadmium oxide
Synonyms:	Cadmium oxide, brown,99%;Cadmium oxide, Puratronic (metals basis);Cadmium oxide, extra pure;Cadmium oxide/ 99.9%;Cadmium oxide/ 99.99+%;Cadmium Oxide 99.95%;CADMIUM OXIDE EXTRA PURE 5 KG;CadiuM oxide
CAS:	1306-19-0
MF:	CdO
MW:	128.41
EINECS:	215-146-2
Product Categories:	metal oxide;Cadmium;CadmiumMetal and Ceramic Science;Catalysis and Inorganic Chemistry;Chemical Synthesis;Oxides;Inorganics
Mol File:	1306-19-0.mol

Cadmium oxide Chemical Properties

Melting point

900°C

Boiling point

1385 °C

bulk density

400kg/m3

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

9-10 (H2O)(aqueous suspension)

Water Solubility

insoluble. <0.1 g/100 mL at 20 ºC

Crystal Structure

Cubic, Halite Structure - Space Group Fm3m

crystal system

Cube

Merck

14,1623

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.

Cosmetics Ingredients Functions

NOT REPORTED

InChI

1S/Cd.O

InChIKey

CXKCTMHTOKXKQT-UHFFFAOYSA-N

SMILES

O=[Cd]

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 Information

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	TSCA listed
HS Code	2825 90 60
HazardClass	6.1
PackingGroup	III
Storage Class	6.1A - Combustible acute toxic Cat. 1 and 2 very toxic hazardous materials
Hazard Classifications	Acute Tox. 2 Inhalation Aquatic Acute 1 Aquatic Chronic 1 Carc. 1B Muta. 2 Repr. 2 STOT RE 1
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]

Cadmium oxide Usage And Synthesis

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 crystalsor 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	This is used for cadmium plating baths, electrodesfor batteries (cells), ceramic glazes, and insecticides. CdO is a deadly poison and carcinogen.
Uses	Cadmium oxide is used as an electroplating chemical,catalyst, component of semiconductors, and starting materialfor PCV heat stabilizers; in glass and ceramic glazes; forproduction of cadmium electrodes in storage batteries; and inother applications.
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 distillingcadmium metal from graphite retort and allowing vapor toreact 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.
reaction suitability	reagent type: catalyst core: cadmium
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 semiconductorsand cadmium electrodes; synthesis of other cadmium salts;a component of silver alloys, phosphorus, glass andceramic glazes, semiconductors, and batteries. Used as avermicide
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 NameRequired.
Incompatibilities	Oxides of cadmium react explosivelywith magnesium, especially when heated. Heat above700C 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 fromalkaline materials, strong bases, strong acids, oxoacids,epoxides, hydrogen sulfide, hydrazine nitrate. May ignitecombustibles, 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	Potassium permanganate-->2 DIESEL FUEL-->cadmium metallic-->Polyurethane foam plastic-->CADMIUM-->Cadmium, sponge
Preparation Products	2-Ethylhexanoic acid-->Heat stabilizer for PVC-->Pigment yellow 37 (C.I. 77199)-->CADMIUM SULFATE-->Cadmium acetate dihydrate

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