(2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane

C9H11Cl2O3PS

CAS57018-04-9
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
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Identification

CAS Number
57018-04-9
EC Number
260-515-3
UN Number
3077
Index Number
015-113-00-0
PubChem CID
91664

Physical-chemical properties

Molecular Formula
C9H11Cl2O3PS
Molar Mass
301.13 g/mol
IUPAC Name
(2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane

Chemical Identifiers

InChI
InChI=1S/C9H11Cl2O3PS/c1-6-4-7(10)9(8(11)5-6)14-15(16,12-2)13-3/h4-5H,1-3H3
InChI Key
OBZIQQJJIKNWNO-UHFFFAOYSA-N

Overview

(2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane (CAS 57018-04-9) is an organophosphorus compound featuring phenoxy and thiophosphoryl functional groups with notable reactivity characteristics. This specialized organophosphorus compound represents an important class of chemical intermediates widely utilized in industrial synthesis and manufacturing processes. The molecule's structure incorporates a dichlorinated methylphenoxy moiety linked to a dimethoxy-substituted thiophosphoryl group, conferring unique chemical properties that make it valuable for specific technical applications. With a molecular formula of C9H11Cl2O3PS and molecular weight of 301.13 g/mol, this compound exhibits the characteristic reactivity patterns associated with organophosphorus chemistry. The compound is classified under multiple hazard categories, requiring careful handling protocols. It presents as a skin sensitizer (Skin Sens. 1B) and poses significant environmental concerns due to its acute and chronic aquatic toxicity classification. These properties necessitate appropriate personal protective equipment and environmental containment measures during handling and storage. The ADR Class 9 designation indicates it falls under miscellaneous dangerous substances for transportation purposes. Industrial applications typically include use as a chemical intermediate in the synthesis of specialized organophosphorus compounds and as a reagent in advanced chemical manufacturing processes. Unlike simpler compounds such as triphenyl phosphite, this molecule's substitution pattern provides enhanced selectivity in certain synthetic transformations. The compound's reactivity profile makes it particularly suitable for applications requiring precise chemical modifications in pharmaceutical and agrochemical intermediate production. OYSI maintains availability of (2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane for qualified industrial customers across Europe, supporting diverse chemical manufacturing requirements with appropriate safety documentation and technical support.

Safety & Classification

Warning
Classification:

Skin Sens. 1B; Aquatic Acute 1; Aquatic Chronic 1

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H317

May cause an allergic skin reaction.

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

Irritant

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:

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 Number3077
ADR Class9
Packing GroupIII
Tunnel Code-
Proper Shipping NameTolclofos-methyl (ISO)
Marine PollutantNo

Frequently Asked Questions

What is (2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane?

(2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane is an organophosphorus compound with CAS number 57018-04-9 and molecular formula C9H11Cl2O3PS. This chemical substance has a molecular weight of 301.13 g/mol and belongs to the phosphane derivative family. It is classified as a skin sensitizer and poses risks to aquatic environments, requiring careful handling and environmental protection measures during use.

What are the physicochemical properties of (2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane?

(2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane has a molecular weight of 301.13 g/mol and contains chlorine, phosphorus, and sulfur atoms in its structure. As an organophosphorus compound, it typically exhibits moderate to low volatility and may have limited water solubility due to its chlorinated aromatic structure. Specific physical properties such as melting point, boiling point, and exact solubility data should be confirmed through technical datasheets.

What is (2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane used for?

(2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane is primarily used as an intermediate in chemical synthesis and pharmaceutical manufacturing. Its organophosphorus structure makes it valuable for developing various chemical products, particularly in specialized applications requiring phosphorus-containing compounds. The compound may also serve as a building block in agrochemical synthesis or other industrial chemical processes where specific reactivity patterns are needed.

How to handle (2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane safely?

(2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane requires careful handling due to its skin sensitization properties (Skin Sens. 1B). Essential personal protective equipment includes chemical-resistant gloves, safety goggles, and protective clothing to prevent skin contact. Work should be conducted in well-ventilated areas or under fume hoods. Avoid direct contact with skin and eyes, and wash hands thoroughly after handling. Emergency eyewash and safety shower facilities should be readily accessible.

How to store (2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane correctly?

(2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane should be stored in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Keep containers tightly closed and store separately from incompatible materials such as strong oxidizers and bases. Due to its aquatic toxicity classification, prevent environmental release during storage. Use appropriate secondary containment systems and ensure storage areas comply with local chemical storage regulations and fire safety requirements.

What to do in case of contact with (2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane?

Immediate action is required in case of contact with (2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane due to its skin sensitization potential. For skin contact, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. In case of eye contact, rinse immediately with clean water for 15 minutes while holding eyelids open. If inhaled, move to fresh air. Seek medical attention if irritation persists or sensitization symptoms develop.

How to dispose of (2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane properly?

(2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane must be disposed of through licensed hazardous waste disposal facilities due to its aquatic toxicity classification (Aquatic Acute 1, Aquatic Chronic 1). Never discharge to sewers, waterways, or soil. Waste containers should be properly labeled and segregated from other waste streams. Contact authorized waste management companies familiar with organophosphorus compounds and follow all local, national, and EU waste disposal regulations including the Waste Framework Directive.

How to transport (2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane?

(2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane is classified as ADR Class 9 (Miscellaneous dangerous substances), Packing Group III, indicating it presents a relatively lower degree of danger during transport. Proper UN specification packaging must be used, and shipments require appropriate dangerous goods documentation including transport documents and emergency response information. Vehicles must carry ADR equipment, and drivers need ADR training certification. Ensure compliance with all applicable ADR/RID/IMDG transport regulations.

Is (2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane subject to specific regulations?

(2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane is subject to EU REACH regulation for registration, evaluation, and authorization, though it is not currently listed as a Substance of Very High Concern (SVHC). It falls under CLP regulation due to its hazard classifications (Skin Sens. 1B, Aquatic toxicity). Users must comply with occupational health regulations, environmental protection laws, and proper classification, labeling, and packaging requirements throughout the supply chain.

Where to buy (2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane in Europe?

(2,6-dichloro-4-methylphenoxy)-dimethoxy-sulfanylidene-lambda5-phosphane is available through specialized chemical distributors across Europe, including OYSI, a trusted European distributor of technical chemicals. OYSI provides reliable sourcing of specialty chemicals with proper documentation, safety data sheets, and regulatory compliance support. When purchasing, ensure your supplier can provide appropriate certificates of analysis, safety documentation, and meets all REACH registration requirements for this organophosphorus compound.

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(2,6-dichloro-4-methylphenoxy)-dimethoxy-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.