Dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane
C10H15O3PS2
dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane
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Identification
- CAS Number
- 55-38-9
- EC Number
- 200-231-9
- UN Number
- 3018
- Index Number
- 015-048-00-8
- PubChem CID
- 3346
Physical-chemical properties
- Molecular Formula
- C10H15O3PS2
- Molar Mass
- 278.30 g/mol
- IUPAC Name
- dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane
Chemical Identifiers
- InChI
- InChI=1S/C10H15O3PS2/c1-8-7-9(5-6-10(8)16-4)13-14(15,11-2)12-3/h5-7H,1-4H3
- InChI Key
- PNVJTZOFSHSLTO-UHFFFAOYSA-N
Overview
Dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane (CAS 55-38-9) is an organophosphorus compound with dual methoxy and methylsulfanyl functional groups exhibiting significant toxicological properties. This organophosphorus compound represents a specialized chemical intermediate characterized by its complex molecular structure containing phosphorus, sulfur, and oxygen functional groups. With a molecular formula of C10H15O3PS2 and molecular weight of 278.3 g/mol, this substance demonstrates the sophisticated chemistry typical of lambda5-phosphane derivatives. The compound's structure incorporates both methoxy substituents and a methylsulfanylphenoxy moiety, contributing to its unique reactivity profile and application potential in industrial processes. The substance requires careful handling due to its significant safety profile, classified under multiple hazard categories including mutagenicity (Muta. 2), acute toxicity (Acute Tox. 3 and 4), and specific target organ toxicity with repeated exposure (STOT RE 1). The presence of GHS08, GHS06, and GHS09 pictograms indicates serious health hazards, acute toxicity, and environmental dangers respectively. Its ADR classification of 6.1 designates it as a toxic substance requiring specialized transport protocols. Unlike simpler aromatic compounds such as N-methylaniline, this phosphane derivative presents more complex toxicological considerations due to its organophosphorus nature. Primary industrial applications include use as a chemical intermediate in pharmaceutical synthesis, specialty polymer production, and advanced materials manufacturing. The compound's unique combination of functional groups makes it valuable in developing organophosphorus-based catalysts and as a building block for complex molecular architectures. OYSI maintains availability of this specialized organophosphorus compound through our European distribution network, supporting customers with technical documentation and regulatory compliance guidance.
Safety & Classification
Muta. 2; Acute Tox. 3 *; Acute Tox. 4 *; Acute Tox. 4 *; STOT RE 1; Aquatic Acute 1; Aquatic Chro...
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 | 3018 |
| ADR Class | 6.1 |
| Packing Group | III |
| Tunnel Code | E |
| Proper Shipping Name | Fenthion (ISO) |
| Marine Pollutant | No |
Frequently Asked Questions
What is dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane?
Dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane is an organophosphorus compound with the molecular formula C10H15O3PS2 and CAS number 55-38-9. This chemical substance has a molecular weight of 278.3 g/mol and contains phosphorus, sulfur, and methoxy functional groups. It is classified as a hazardous substance with multiple danger classifications including mutagenicity, acute toxicity, and aquatic toxicity, requiring careful handling and specialized safety measures.
What are the physicochemical properties of dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane?
Dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane is an organophosphorus compound with a molecular weight of 278.3 g/mol and molecular formula C10H15O3PS2. The substance contains methoxy groups and sulfur-containing substituents attached to a phosphorus center. Specific physical properties such as melting point, boiling point, and solubility characteristics would require additional technical documentation, as the compound's complex structure suggests specialized handling requirements.
What is dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane used for?
Dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane is primarily used in specialized industrial applications requiring organophosphorus chemistry. Given its complex molecular structure containing phosphorus, sulfur, and methoxy groups, it typically serves in research and development, pharmaceutical intermediates, or specialized chemical synthesis processes. The compound's high toxicity classification limits its use to professional industrial settings with appropriate safety controls and trained personnel.
How to handle dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane safely?
Dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane requires strict safety protocols due to its Acute Tox. 3 and 4 classifications. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, and respiratory protection. Work must be conducted in well-ventilated areas or fume hoods. The GHS06 and GHS08 pictograms indicate acute toxicity and health hazards, requiring trained personnel and emergency procedures. Avoid skin contact, inhalation, and ingestion at all costs.
How to store dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane correctly?
Dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane must be stored in a cool, dry, well-ventilated area away from incompatible materials. Due to its ADR Class 6.1 classification and acute toxicity, storage requires secure, labeled containers in restricted access areas. The compound should be kept away from heat sources, oxidizing agents, and moisture. Storage facilities must comply with local regulations for toxic substances and include appropriate spill containment measures.
What to do in case of contact with dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane?
Immediate action is required for contact with dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane due to its Acute Tox. 3 and 4 classifications. For skin contact, immediately remove contaminated clothing and wash thoroughly with soap and water. In case of eye contact, flush with clean water for at least 15 minutes. If inhaled or ingested, seek immediate medical attention. Always consult the Safety Data Sheet and contact emergency services if severe symptoms occur.
How to dispose of dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane appropriately?
Dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane must be disposed of as hazardous waste according to local and European regulations. Due to its ADR Class 6.1 classification and environmental hazard ratings (Aquatic Acute 1), professional waste disposal services are mandatory. The substance cannot be disposed of in regular waste streams or sewage systems. Disposal must follow REACH and CLP requirements, with proper documentation and certified hazardous waste handlers ensuring environmental protection.
How to transport dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane?
Dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane is classified under ADR Class 6.1, Packing Group III for transport. This classification indicates it is a toxic substance requiring specialized packaging, labeling, and documentation. Transport must comply with European ADR regulations, including proper UN packaging, hazard labels, and transport documents. Only certified carriers trained in hazardous materials handling can transport this substance, with emergency response information readily available during transit.
Is dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane subject to specific regulations?
Dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane is subject to multiple European regulations including REACH and CLP due to its hazardous properties. The substance carries Muta. 2 classification and multiple toxicity ratings, requiring compliance with chemical safety reporting. While not currently listed as SVHC, its GHS08, GHS06, and GHS09 pictograms indicate strict regulatory oversight. Users must maintain Safety Data Sheets, conduct risk assessments, and implement appropriate risk management measures.
Where to buy dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane in Europe?
Dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this regulated substance to qualified industrial customers with appropriate handling capabilities and regulatory compliance. Given the compound's ADR Class 6.1 classification and multiple hazard categories, purchases require verification of proper facilities, trained personnel, and regulatory compliance. Contact OYSI directly for availability, specifications, and regulatory documentation requirements.
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Dimethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane is a dangerous good. We support you with labeling, packaging, and transport documentation.
Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.