Diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane

C8H19O2PS3

diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane

CAS298-04-4
GHS06 Gefahrensymbol: Giftig – Totenkopf mit Knochen
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

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Identification

CAS Number
298-04-4
EC Number
206-054-3
UN Number
3018
Index Number
015-060-00-3
PubChem CID
3118

Physical-chemical properties

Molecular Formula
C8H19O2PS3
Molar Mass
274.40 g/mol
IUPAC Name
diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane

Chemical Identifiers

InChI
InChI=1S/C8H19O2PS3/c1-4-9-11(12,10-5-2)14-8-7-13-6-3/h4-8H2,1-3H3
InChI Key
DOFZAZXDOSGAJZ-UHFFFAOYSA-N

Overview

Diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane (CAS 298-04-4) is an organophosphorus compound with multiple sulfur linkages and high acute toxicity classification. This specialized organophosphorus compound, also identified by EC number 206-054-3, represents a complex molecular structure combining phosphorus chemistry with multiple sulfur-containing functional groups. With a molecular formula of C8H19O2PS3 and molecular weight of 274.4 g/mol, this chemical exhibits the characteristic properties of lambda5-phosphane derivatives, featuring both diethoxy groups and an intricate ethylsulfanylethylsulfanyl chain configuration. The compound's classification as Acute Tox. 1 and Acute Tox. 2 under the GHS system indicates extremely hazardous properties requiring stringent handling protocols. The GHS06 and GHS09 pictograms signal both acute toxicity and environmental hazards, while its ADR Class 6.1 designation confirms its status as a toxic substance for transport purposes. The additional Aquatic Acute 1 and Aquatic Chronic 1 classifications highlight significant environmental concerns, necessitating careful containment and disposal procedures. Industrial applications for this compound typically include specialized chemical synthesis processes and research applications where its unique phosphorus-sulfur framework provides specific reactivity patterns. Similar to related compounds such as tert-butylsulfanylmethylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane, it may serve as an intermediate in organophosphorus chemistry or as a specialized reagent in pharmaceutical or agrochemical development. The compound's complex structure makes it valuable for applications requiring precise molecular architecture and controlled reactivity profiles. OYSI maintains availability of diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane through our specialized chemical distribution network, ensuring proper handling and regulatory compliance for European industrial customers.

Safety & Classification

Danger
Classification:

Acute Tox. 1; Acute Tox. 2 *; Aquatic Acute 1; Aquatic Chronic 1

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H310

Fatal in contact with skin.

H300

Fatal if swallowed.

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

Skin Contact

Fatal

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

Fatal

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 Number3018
ADR Class6.1
Packing GroupI
Tunnel CodeC/E
Proper Shipping NameDisulfoton (ISO)
Marine PollutantNo

Frequently Asked Questions

What is diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane?

Diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane is an organophosphorus compound with CAS number 298-04-4 and molecular formula C8H19O2PS3. This chemical substance has a molecular weight of 274.4 g/mol and belongs to the class of phosphorus-sulfur compounds. It is classified as extremely hazardous with acute toxicity categories 1 and 2, requiring strict safety protocols during handling and use.

What are the physicochemical properties of diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane?

Diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane is an organophosphorus compound containing sulfur groups with a molecular weight of 274.4 g/mol. The substance contains ethoxy groups and multiple sulfur linkages in its structure, giving it specific chemical reactivity. As a phosphorus-based compound with sulfur substituents, it exhibits particular solubility and stability characteristics that must be considered during handling and storage operations.

What is diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane used for?

Diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane is primarily used as a specialized chemical intermediate in organic synthesis and industrial applications. Given its organophosphorus structure with sulfur functionalities, it serves as a reagent in chemical manufacturing processes. Its specific applications are typically limited to professional and industrial use due to its high toxicity classification and require specialized handling procedures and expertise.

How to handle diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane safely?

Diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane requires extreme safety precautions due to its Acute Tox. 1 and 2 classification. Personnel must wear full protective equipment including chemical-resistant gloves, safety goggles, and respiratory protection. Work should be conducted in well-ventilated areas or under fume hoods. Only trained professionals should handle this substance, and emergency procedures must be readily available due to its dangerous classification with GHS06 pictogram.

How to store diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane correctly?

Diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane must be stored in a secure, well-ventilated area away from incompatible materials. Storage containers should be tightly sealed and made of compatible materials resistant to the chemical. The storage area must be restricted to authorized personnel only due to the substance's high toxicity. Temperature and humidity control may be necessary to maintain stability, and storage must comply with local regulations for highly toxic substances.

What to do in case of contact with diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane?

Immediate action is critical in case of contact with diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane due to its extreme toxicity. For skin contact, remove contaminated clothing and rinse thoroughly with water for at least 15 minutes. If inhaled, move to fresh air immediately. For eye contact, flush with water continuously. Seek immediate medical attention in all cases of exposure and provide the safety data sheet to medical personnel for proper treatment guidance.

How to dispose of diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane appropriately?

Diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane must be disposed of as hazardous waste through licensed waste management companies. Due to its high toxicity and environmental hazard classification (Aquatic Acute 1, Aquatic Chronic 1), it cannot be disposed of through normal waste streams. Disposal must comply with local, national, and EU waste regulations. Container residues should also be treated as hazardous waste and properly documented throughout the disposal process.

How to transport diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane?

Diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane is classified under ADR Class 6.1 (Toxic substances), Packing Group I, indicating the highest level of danger for toxic materials. Transportation requires specialized packaging, labeling with appropriate hazard symbols, and documentation complying with ADR regulations. Only certified carriers experienced in handling highly toxic substances should transport this chemical, and emergency response information must accompany shipments.

Is diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane subject to special regulations?

Diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane is subject to strict chemical regulations due to its high toxicity classification. It falls under REACH registration requirements and CLP classification as Acute Tox. 1 and 2. While not currently listed as SVHC, its extreme toxicity means it may be subject to additional restrictions or authorization requirements. Users must comply with occupational health regulations and may need special permits for handling and use in certain jurisdictions.

Where to buy diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane in Europe?

Diethoxy-(2-ethylsulfanylethylsulfanyl)-sulfanylidene-lambda5-phosphane is available through OYSI, a specialized European distributor of technical chemicals. As a highly toxic substance requiring professional handling, it is only supplied to qualified industrial users with appropriate safety infrastructure. OYSI provides comprehensive documentation including safety data sheets and certificates of analysis. Customers must demonstrate proper handling capabilities and regulatory compliance before purchase due to the substance's dangerous classification.

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Data Sources

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