Triphenylstannyl acetate

C20H18O2Sn

triphenylstannyl acetate

CAS900-95-8
GHS08 Gefahrensymbol: Gesundheitsgefahr – Gesundheitsgefahr
GHS06 Gefahrensymbol: Giftig – Totenkopf mit Knochen
GHS05 Gefahrensymbol: Ätzend – Ätzwirkung
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

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Identification

CAS Number
900-95-8
EC Number
212-984-0
UN Number
2786
Index Number
050-003-00-6
PubChem CID
16682804

Physical-chemical properties

Molecular Formula
C20H18O2Sn
Molar Mass
409.10 g/mol
IUPAC Name
triphenylstannyl acetate

Chemical Identifiers

InChI
InChI=1S/3C6H5.C2H4O2.Sn/c3*1-2-4-6-5-3-1;1-2(3)4;/h3*1-5H;1H3,(H,3,4);/q;;;;+1/p-1
InChI Key
WDQNIWFZKXZFAY-UHFFFAOYSA-M

Overview

Triphenylstannyl acetate (CAS 900-95-8) is an organotin compound with significant toxicity and specialized industrial applications. This organotin acetate derivative represents a class of organometallic compounds where tin is covalently bonded to three phenyl groups and one acetate group. With the molecular formula C20H18O2Sn and a molecular weight of 409.1 g/mol, triphenylstannyl acetate exhibits the characteristic properties of organotin compounds, including high biological activity and environmental persistence. The compound's structure combines the metallic properties of tin with organic functionality, making it valuable for specific technical applications while requiring careful handling due to its hazardous nature. Safety considerations are paramount when working with triphenylstannyl acetate, as evidenced by its classification under multiple hazard categories including carcinogenicity (Category 2), reproductive toxicity (Category 2), and acute toxicity. The compound carries the signal word "Danger" and displays multiple GHS pictograms (GHS08, GHS06, GHS05, GHS09), indicating serious health hazards, corrosivity, and environmental risks. Its ADR classification as Class 6.1 confirms its status as a toxic substance requiring specialized transport and storage protocols. Personal protective equipment and controlled ventilation systems are essential when handling this material. In industrial applications, triphenylstannyl acetate serves primarily as a catalyst in polymerization reactions and as an intermediate in the synthesis of other organotin compounds. It finds use in specialized polymer manufacturing processes and as a precursor for materials requiring precise tin incorporation. Related compounds such as triphenylstannanylium hydroxide share similar applications in organometallic synthesis, though with different reactivity profiles. OYSI provides triphenylstannyl acetate to qualified industrial customers with comprehensive technical documentation and safety data sheets to ensure proper handling and regulatory compliance.

Safety & Classification

Danger
Classification:

Carc. 2; Repr. 2; Acute Tox. 2 *; Acute Tox. 3 *; Acute Tox. 3 *; STOT SE 3; STOT RE 1; Skin Irri...

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H351

Suspected of causing cancer.

H330

Fatal if inhaled.

H311

Toxic in contact with skin.

H301

Toxic if swallowed.

H335

May cause respiratory irritation.

H372

Causes damage to organs through prolonged or repeated exposure.

H315

Causes skin irritation.

H318

Causes serious eye damage.

H400

Very toxic to aquatic life.

H410

Very toxic to aquatic life with long lasting effects.

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

Fatal

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

Toxic

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:

Eye Contact

Harmful

Measures if substance gets into the eyes

First Aid Actions

  • +P305IF IN EYES:
  • +P351Rinse cautiously with water for several minutes.
  • +P338Remove contact lenses, if present and easy to do. Continue rinsing.
  • +P313Get medical advice/attention.

Related hazard statements:

Ingestion

Toxic

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 Number2786
ADR Class6.1
Packing GroupI
Tunnel CodeC/E
Proper Shipping NameFentinacetat (ISO)
Marine PollutantNo

Frequently Asked Questions

What is triphenylstannyl acetate?

Triphenylstannyl acetate is an organotin compound with the molecular formula C20H18O2Sn and CAS number 900-95-8. This chemical substance has a molecular weight of 409.1 g/mol and belongs to the family of tin-based organometallic compounds. It is classified as a highly hazardous substance with multiple health risks including carcinogenic and reproductive toxicity properties, requiring strict safety protocols during handling and use.

What are the physicochemical properties of triphenylstannyl acetate?

Triphenylstannyl acetate is an organotin compound that typically appears as a solid at room temperature. As an organometallic substance containing tin, it exhibits specific chemical reactivity patterns typical of organotin compounds. The compound's molecular structure consists of three phenyl groups attached to a tin center along with an acetate group, giving it distinctive chemical and physical characteristics that influence its handling and storage requirements.

What is triphenylstannyl acetate used for?

Triphenylstannyl acetate is primarily used as a specialized chemical intermediate in organic synthesis and research applications. As an organotin compound, it serves as a reagent in various chemical reactions, particularly in organometallic chemistry and advanced synthetic processes. Its applications are typically limited to professional and industrial settings due to its high toxicity profile and stringent regulatory requirements for handling and use.

How to handle triphenylstannyl acetate safely?

Triphenylstannyl acetate must be handled with extreme caution due to its acute toxicity, carcinogenic, and reproductive toxicity properties. Essential safety measures include wearing appropriate personal protective equipment (PPE) such as chemical-resistant gloves, safety goggles, and respiratory protection. Work should be conducted in well-ventilated areas or under fume hoods, and direct skin and eye contact must be strictly avoided. Only trained personnel should handle this substance.

How to store triphenylstannyl acetate correctly?

Triphenylstannyl acetate should be stored in tightly sealed containers in a cool, dry, and well-ventilated area away from incompatible materials. Storage areas must be secured and accessible only to authorized personnel due to the compound's high toxicity classification. The substance should be kept away from heat sources, direct sunlight, and moisture. Proper labeling with GHS pictograms and hazard information is mandatory for safe identification.

What to do in case of contact with triphenylstannyl acetate?

Immediate action is required in case of contact with triphenylstannyl acetate due to its acute toxicity. For skin contact, remove contaminated clothing and rinse thoroughly with water for at least 15 minutes. In case of eye contact, flush immediately with clean water for 15-20 minutes. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting. Seek immediate medical attention in all cases and provide safety data sheet information to medical personnel.

How to dispose of triphenylstannyl acetate properly?

Triphenylstannyl acetate must be disposed of as hazardous waste according to local and national regulations due to its high toxicity and environmental impact potential. The substance cannot be disposed of through regular waste streams and requires specialized hazardous waste treatment facilities. Contaminated containers, materials, and personal protective equipment must also be treated as hazardous waste. Professional waste management services should handle all disposal procedures.

How to transport triphenylstannyl acetate?

Triphenylstannyl acetate is classified as dangerous goods for transport under ADR regulations as Class 6.1 (toxic substances), Packing Group I, indicating high toxicity. Transportation requires compliance with strict packaging, labeling, and documentation requirements. Only authorized carriers trained in hazardous materials transport should handle shipments. Proper shipping papers, emergency response information, and appropriate packaging specifications must be followed for legal and safe transport.

Is triphenylstannyl acetate subject to specific regulations?

Triphenylstannyl acetate is subject to comprehensive chemical regulations including REACH registration requirements and CLP classification obligations in Europe. The substance's classification as carcinogenic (Category 2) and reproductive toxicant (Category 2) subjects it to strict regulatory oversight. Additional restrictions may apply for manufacturing, import, and use. Companies handling this substance must ensure full regulatory compliance including proper registration, classification, labeling, and safety data sheet provision.

Where to buy triphenylstannyl acetate in Europe?

Triphenylstannyl acetate is available through OYSI, a specialized European distributor of technical chemical products. As a highly regulated substance with significant safety requirements, it is only supplied to qualified industrial and research customers with appropriate handling capabilities. Purchases require compliance verification and proper documentation. OYSI ensures full regulatory compliance and provides comprehensive safety documentation with all shipments of this hazardous chemical substance.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.