Diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane

C8H20O5P2S2

diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane

CAS3689-24-5
GHS06 Gefahrensymbol: Giftig – Totenkopf mit Knochen
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

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Identification

CAS Number
3689-24-5
EC Number
222-995-2
UN Number
1704
Index Number
015-027-00-3
PubChem CID
19395

Physical-chemical properties

Molecular Formula
C8H20O5P2S2
Molar Mass
322.30 g/mol
IUPAC Name
diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane

Chemical Identifiers

InChI
InChI=1S/C8H20O5P2S2/c1-5-9-14(16,10-6-2)13-15(17,11-7-3)12-8-4/h5-8H2,1-4H3
InChI Key
XIUROWKZWPIAIB-UHFFFAOYSA-N

Overview

Diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane (CAS 3689-24-5) is an organophosphorus compound with dual phosphorus centers and significant toxicological properties. This complex organophosphorus compound, with molecular formula C8H20O5P2S2 and molecular weight 322.3 g/mol, represents a specialized chemical intermediate featuring two phosphorus atoms connected through sulfur and oxygen bridging groups. The lambda5-phosphane designation indicates the phosphorus atoms are in their pentavalent oxidation state, while the diethoxy substituents provide specific reactivity characteristics essential for industrial applications. The compound exhibits extremely hazardous properties, classified under Acute Toxicity Categories 1 and 2, requiring the highest level of safety precautions during handling and storage. Its environmental impact classification as Aquatic Acute 1 and Aquatic Chronic 1 indicates severe toxicity to aquatic organisms with long-lasting effects. Transportation falls under ADR Class 6.1, reflecting its toxic nature and requiring specialized logistics protocols. Safety considerations are paramount when working with this material, necessitating appropriate personal protective equipment, controlled atmospheres, and trained personnel. The GHS06 and GHS09 pictograms emphasize both acute toxicity and environmental hazards, while the "Danger" signal word indicates the severity of associated risks. Primary industrial applications include use as an intermediate in pesticide synthesis, specialty chemical manufacturing, and research applications requiring specific organophosphorus functionalities. The compound's unique dual-phosphorus structure distinguishes it from related materials such as diethoxy-(4-methylsulfinylphenoxy)-sulfanylidene-lambda5-phosphane, offering distinct reactivity profiles for specialized synthetic pathways. OYSI maintains technical-grade inventory of diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane with comprehensive documentation supporting industrial applications across European markets.

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 Number1704
ADR Class6.1
Packing GroupII
Tunnel CodeD/E
Proper Shipping NameTetraethyldithiopyrophosphat
Marine PollutantNo

Frequently Asked Questions

What is diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane?

Diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane is an organophosphorus compound with molecular formula C8H20O5P2S2 and CAS number 3689-24-5. This chemical substance has a molecular weight of 322.3 g/mol and contains two phosphorus atoms connected through sulfur linkages. It is classified as highly toxic and environmentally hazardous, requiring strict safety measures during handling and use.

What are the physicochemical properties of diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane?

Diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane has a molecular weight of 322.3 g/mol and molecular formula C8H20O5P2S2. As an organophosphorus compound containing ethoxy groups, it likely exhibits moderate polarity and potential solubility in organic solvents. The presence of phosphorus-sulfur bonds and ethoxy substituents influences its chemical reactivity and physical characteristics, though specific data on appearance, odor, and exact solubility parameters require consultation of detailed safety data sheets.

What is diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane used for?

Diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane is typically used in specialized industrial applications involving organophosphorus chemistry. Its specific applications may include use as an intermediate in chemical synthesis, agricultural chemical production, or specialized manufacturing processes. Given its highly toxic classification (Acute Tox. 1), its use is restricted to professional industrial settings with appropriate safety controls and trained personnel handling procedures.

How to handle diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane safely?

Diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane requires extreme caution due to its Acute Tox. 1 classification. Essential personal protective equipment includes chemical-resistant gloves, protective clothing, eye protection, and respiratory protection. Work must be conducted in well-ventilated areas or fume hoods. Avoid skin contact, inhalation, and ingestion. Only trained personnel should handle this substance following strict safety protocols and emergency procedures.

How to store diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane correctly?

Diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane must be stored in a cool, dry, well-ventilated area away from incompatible materials. Keep containers tightly closed and properly labeled with hazard warnings. Storage areas should be restricted to authorized personnel only, equipped with appropriate emergency equipment. Ensure compatibility with container materials and maintain temperature control. Regular inspection of storage conditions and container integrity is essential for safe storage.

What to do in case of contact with diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane?

Immediate medical attention is required for any contact with diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane due to its extreme toxicity. For skin contact, immediately remove contaminated clothing and rinse with copious amounts of water. In case of eye contact, flush immediately with water for at least 15 minutes. If inhaled, move to fresh air immediately. Never induce vomiting if ingested. Contact poison control center and emergency medical services immediately.

How to dispose of diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane appropriately?

Diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane disposal must comply with local, national, and EU waste regulations due to its high toxicity and environmental hazard classification. Disposal should only be performed by licensed waste management companies specializing in hazardous chemical waste. The substance requires classification as hazardous waste and cannot be disposed of through normal waste streams. Professional incineration or specialized chemical treatment may be required.

How to transport diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane?

Diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane is classified under ADR Class 6.1 (toxic substances), Packing Group II, indicating high toxicity during transport. Transportation requires appropriate UN-specification packaging, proper labeling with toxic hazard markings, and transport documentation. Only certified carriers experienced in hazardous materials transport should handle shipments. Emergency response information must accompany all shipments, and specific routing restrictions may apply.

Is diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane subject to specific regulations?

Diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane is subject to strict EU regulations under REACH and CLP due to its extreme toxicity classification. The substance requires registration for commercial use, safety data sheet provision, and compliance with workplace exposure limits. It is not currently listed as SVHC, but its Acute Tox. 1 classification subjects it to stringent handling, labeling, and reporting requirements under European chemical legislation.

Where to buy diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane in Europe?

Diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane is available through OYSI, a specialized European distributor of technical chemicals. As a highly regulated substance with extreme toxicity classification, procurement requires proper documentation, safety certifications, and compliance with regulatory requirements. OYSI provides professional support for regulatory compliance and safe handling guidance to qualified industrial customers throughout Europe requiring this specialized organophosphorus compound.

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Diethoxyphosphinothioyloxy-diethoxy-sulfanylidene-lambda5-phosphane is a dangerous good. We support you with labeling, packaging, and transport documentation.

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Data Sources

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