Tellanylidenecadmium
CdTe
tellanylidenecadmium
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Identification
- CAS Number
- 1306-25-8
- EC Number
- 215-149-9
- UN Number
- 2570
- Index Number
- 048-001-00-5
- PubChem CID
- 91501
Physical-chemical properties
- Molecular Formula
- CdTe
- Molar Mass
- 240.00 g/mol
- IUPAC Name
- tellanylidenecadmium
Chemical Identifiers
- InChI
- InChI=1S/Cd.Te
- InChI Key
- RPPBZEBXAAZZJH-UHFFFAOYSA-N
Overview
Tellanylidenecadmium (CAS 1306-25-8) is a binary semiconductor compound composed of cadmium and tellurium elements with distinctive electronic and optical properties. This inorganic compound, with the molecular formula CdTe and a molecular weight of 240 g/mol, represents a significant II-VI semiconductor material widely recognized in the electronics and photovoltaic industries. Also identified by its EC number 215-149-9, tellanylidenecadmium exhibits unique crystalline structure characteristics that make it particularly valuable for specialized technical applications requiring precise electronic band gap properties. The compound presents notable safety considerations, classified under ADR transport class 6.1 and carrying Warning signal designation with GHS07 and GHS09 pictograms. Its hazard classification includes Acute Toxicity Category 4 across multiple exposure routes, along with Aquatic Acute 1 and Aquatic Chronic 1 environmental classifications, necessitating careful handling protocols and environmental protection measures during storage, transport, and processing operations. Primary industrial applications include semiconductor device manufacturing, where tellanylidenecadmium serves as a crucial component in photovoltaic cell production, particularly in thin-film solar panels. The compound also finds extensive use in infrared detection systems and specialized electronic components requiring specific wavelength response characteristics. Additionally, it plays an important role in radiation detection equipment and certain types of imaging technologies. Unlike organometallic compounds such as tricyclohexylstannanylium hydroxide used in different industrial processes, tellanylidenecadmium's binary semiconductor nature makes it particularly suitable for electronic applications requiring stable crystalline structures. Its properties differ significantly from complex organophosphorus compounds like (3-chloro-4-nitrophenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane, highlighting the diverse range of specialized chemical materials available for technical applications. OYSI maintains reliable supply chains for tellanylidenecadmium to support European industrial requirements across semiconductor and electronics manufacturing sectors.
Safety & Classification
Acute Tox. 4 *; Acute Tox. 4 *; Acute Tox. 4 *; Aquatic Acute 1; Aquatic Chronic 1
GHS Pictograms
HHazard Statements (H-Statements)
Describe the nature and severity of the hazard
Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).
First Aid Measures
Inhalation
Measures if vapours or dust are inhaled
First Aid Actions
- +P304IF INHALED:
- +P340Remove person to fresh air and keep comfortable for breathing.
- +P311Call a POISON CENTER/doctor.
Related hazard statements:
Skin Contact
Measures if substance contacts the skin
First Aid Actions
- +P302IF ON SKIN:
- +P352Wash with plenty of water.
- +P361Take off immediately all contaminated clothing.
- +P313Get medical advice/attention.
Related hazard statements:
Ingestion
Measures if substance is accidentally swallowed
First Aid Actions
- +P301IF SWALLOWED:
- +P330Rinse mouth.
- +P331Do NOT induce vomiting.
- +P310Immediately call a POISON CENTER/doctor.
Related hazard statements:
General Measures
Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)
First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.
Transport (ADR)
| UN Number | 2570 |
| ADR Class | 6.1 |
| Packing Group | II |
| Tunnel Code | D/E |
| Proper Shipping Name | Cadmiumtellurid, fest |
| Marine Pollutant | No |
Frequently Asked Questions
What is tellanylidenecadmium?
Tellanylidenecadmium is an inorganic compound with the chemical formula CdTe and CAS number 1306-25-8. This binary semiconductor material consists of cadmium and tellurium atoms arranged in a crystalline structure. With a molecular weight of 240 g/mol, it belongs to the II-VI semiconductor family and exhibits unique optoelectronic properties that make it valuable in various technological applications.
What are the physicochemical properties of tellanylidenecadmium?
Tellanylidenecadmium is a crystalline solid semiconductor material that typically appears as a dark-colored powder or crystal. It has a molecular formula of CdTe with a molecular weight of 240 g/mol. The compound is generally insoluble in water and most common solvents. It exhibits semiconductor properties with a direct bandgap, making it suitable for optoelectronic applications.
What is tellanylidenecadmium used for?
Tellanylidenecadmium is primarily used in the semiconductor industry for manufacturing photovoltaic cells, particularly thin-film solar panels. It serves as a key material in infrared detectors, radiation detectors, and various optoelectronic devices. The compound is also utilized in research applications for developing advanced semiconductor technologies and in specialized electronic components requiring its unique optical and electrical properties.
How to handle tellanylidenecadmium safely?
Tellanylidenecadmium requires careful handling due to its Acute Tox. 4 classification and Warning signal word. Personnel must wear appropriate personal protective equipment including gloves, safety glasses, and respiratory protection. Work should be conducted in well-ventilated areas or under fume hoods. Avoid inhalation, ingestion, and skin contact. Implement proper hygiene measures and ensure adequate training for all handlers.
How to store tellanylidenecadmium correctly?
Tellanylidenecadmium should be stored in a cool, dry, well-ventilated area away from incompatible materials. Keep containers tightly closed and properly labeled according to GHS requirements with pictograms GHS07 and GHS09. Storage areas must be secured and accessible only to authorized personnel. Maintain appropriate temperature conditions and protect from moisture, light, and potential contamination sources.
What to do in case of contact with tellanylidenecadmium?
Immediate action is required upon contact with tellanylidenecadmium. For skin contact, remove contaminated clothing and wash thoroughly with soap and water. In case of eye contact, rinse immediately with plenty of water for at least 15 minutes. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek medical attention immediately. Always consult a physician after any exposure incident.
How to dispose of tellanylidenecadmium appropriately?
Tellanylidenecadmium disposal must comply with local, national, and EU waste regulations due to its hazardous classification. The material should be treated as hazardous waste and disposed of through licensed waste management facilities. Never dispose of in regular waste streams or down drains. Contact authorized waste disposal companies experienced in handling toxic and environmentally hazardous semiconductor materials for proper treatment and disposal.
How to transport tellanylidenecadmium?
Tellanylidenecadmium is classified under ADR Class 6.1 (toxic substances) with Packing Group II, indicating moderate toxicity requiring specific transport precautions. Packages must be properly labeled with hazard labels and comply with UN packaging requirements. Transport should be handled by trained personnel using appropriate documentation including transport documents and emergency response information. Ensure compliance with all applicable transport regulations.
Is tellanylidenecadmium subject to specific regulations?
Tellanylidenecadmium is subject to various European regulations including REACH registration requirements and CLP classification as Acute Tox. 4 and aquatic hazard categories. While not currently listed as a SVHC (Substance of Very High Concern), it requires compliance with chemical safety regulations. Users must ensure proper risk assessments, safety data sheet availability, and adherence to occupational exposure limits and environmental protection measures.
Where to buy tellanylidenecadmium in Europe?
Tellanylidenecadmium is available through OYSI, a specialized European distributor of technical chemicals and semiconductor materials. OYSI provides quality-assured products with proper documentation, safety data sheets, and regulatory compliance support. As experienced suppliers in the European market, they ensure reliable sourcing and delivery of tellanylidenecadmium for industrial and research applications while meeting all regulatory requirements.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.