[(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate
C8H16NO5P
Consulting for [(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate
Our experts support you with application, dosage, and compliance.
Identification
- CAS Number
- 141-66-2
- EC Number
- 205-494-3
- UN Number
- 3018
- Index Number
- 015-073-00-4
- PubChem CID
- 5371560
Physical-chemical properties
- Molecular Formula
- C8H16NO5P
- Molar Mass
- 237.19 g/mol
- IUPAC Name
- [(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate
Chemical Identifiers
- InChI
- InChI=1S/C8H16NO5P/c1-7(6-8(10)9(2)3)14-15(11,12-4)13-5/h6H,1-5H3/b7-6+
- InChI Key
- VEENJGZXVHKXNB-VOTSOKGWSA-N
Overview
[(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate (CAS 141-66-2) is an organophosphate compound with significant toxicological properties and environmental impact concerns. This organophosphate ester represents a specialized chemical intermediate characterized by its unique molecular structure combining a phosphate group with a dimethylamino-substituted butenyl chain. With the molecular formula C8H16NO5P and a molecular weight of 237.19 g/mol, this compound exhibits properties typical of organophosphorus derivatives while maintaining distinct reactivity patterns due to its specific functional group arrangement. The substance is classified under multiple acute toxicity categories (Acute Tox. 2 and 3) and carries significant environmental hazard classifications (Aquatic Acute 1, Aquatic Chronic 1), requiring careful handling protocols and specialized storage conditions. The GHS06 and GHS09 pictograms indicate both acute toxicity and environmental dangers, while the ADR classification 6.1 designates it as a toxic substance for transportation purposes. These safety considerations place it in the same handling category as other organophosphate compounds like (2,5-dichloro-4-methylsulfanylphenoxy)-diethoxy-sulfanylidene-lambda5-phosphane, which shares similar toxicological profiles. Industrial applications typically focus on its role as a chemical intermediate in organic synthesis processes, particularly in pharmaceutical manufacturing and specialized chemical production. The compound also finds use in research applications where its unique phosphate ester structure provides specific reactivity patterns for synthetic pathways. Additionally, it serves as a building block in the development of more complex organophosphorus compounds. OYSI maintains availability of [(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate for qualified industrial customers across Europe, ensuring compliance with all relevant safety and regulatory requirements.
Safety & Classification
Acute Tox. 3 *; Acute Tox. 2 *; Aquatic Acute 1; Aquatic Chronic 1
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
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 | II |
| Tunnel Code | D/E |
| Proper Shipping Name | Dicrotophos (ISO) |
| Marine Pollutant | No |
Frequently Asked Questions
What is [(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate?
[(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate is an organophosphorus compound with the molecular formula C8H16NO5P and CAS number 141-66-2. This chemical substance has a molecular weight of 237.19 g/mol and belongs to the class of phosphate esters. It is classified as highly toxic with acute toxicity categories 2 and 3, requiring careful handling due to its dangerous properties for both human health and aquatic environments.
What are the physicochemical properties of [(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate?
[(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate is an organic phosphate ester with a molecular weight of 237.19 g/mol. The compound contains both phosphate and amide functional groups, giving it specific chemical reactivity. As an organophosphorus compound, it typically exhibits moderate to high polarity due to the phosphate group, which influences its solubility characteristics and chemical behavior in various media.
What is [(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate used for?
[(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate is primarily used as an intermediate in organic synthesis and chemical manufacturing processes. Organophosphorus compounds of this type are commonly employed in pharmaceutical synthesis, agrochemical production, and specialty chemical manufacturing. Due to its high toxicity classification, its use is restricted to professional and industrial applications where appropriate safety measures and expertise are available.
How to handle [(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate safely?
[(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate requires strict safety precautions due to its Acute Tox. 2 and 3 classifications. Use appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and respiratory protection. Work in well-ventilated areas or under fume hoods. Avoid skin contact, inhalation, and ingestion. The GHS06 pictogram indicates skull and crossbones hazard, emphasizing the need for expert handling and training.
How to store [(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate correctly?
[(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate must be stored in a secure, temperature-controlled environment away from incompatible materials. Keep containers tightly sealed and store in a designated hazardous materials area with appropriate ventilation. Due to its high toxicity classification (Acute Tox. 2/3), access should be restricted to trained personnel only. Ensure proper labeling with GHS06 and GHS09 pictograms and maintain safety data sheets readily available.
What to do in case of contact with [(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate?
Immediate medical attention is required for any contact with [(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate due to its Acute Tox. 2/3 classification. For skin contact, immediately flush with copious amounts of water and remove contaminated clothing. If inhaled, move to fresh air immediately. For eye contact, rinse thoroughly with water. Do not induce vomiting if ingested. Contact poison control or emergency medical services immediately and provide the safety data sheet.
How to dispose of [(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate appropriately?
[(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate must be disposed of as hazardous waste through licensed waste management companies. Due to its acute toxicity and aquatic toxicity classifications (Aquatic Acute 1, Aquatic Chronic 1), it cannot be discharged to sewers or the environment. Follow local and European waste regulations (EU Waste Framework Directive). Ensure proper documentation and use authorized disposal facilities specializing in toxic organophosphorus compounds.
How to transport [(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate?
[(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate is classified under ADR Class 6.1 (Toxic substances), Packing Group II. Transport requires appropriate UN-specification packaging, proper labeling with Class 6.1 hazard labels, and shipping documentation. Only authorized carriers trained in hazardous materials transport should handle shipments. The substance requires special handling procedures due to its high toxicity classification and must comply with European ADR regulations for dangerous goods transport.
Is [(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate subject to specific regulations?
[(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate is subject to REACH regulation and CLP classification requirements in Europe. While not currently listed as an SVHC (Substance of Very High Concern), its high toxicity classification requires compliance with occupational exposure limits and safety data sheet provisions. Users must ensure proper risk assessment, worker protection measures, and environmental safeguards. Registration requirements under REACH may apply depending on import/manufacturing volumes.
Where to buy [(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate in Europe?
[(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this highly toxic compound to qualified industrial and research customers with appropriate handling capabilities. Due to the substance's Acute Tox. 2/3 classification and regulatory requirements, purchases are restricted to professional users who can demonstrate proper safety measures, storage facilities, and waste disposal arrangements.
Services for [(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate
Order [(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate
Fast delivery across Europe
SDS Service
Request Safety Data Sheet for [(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate
Technical Consulting
Application advice for [(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate
REACH Safety Data Sheet
REACH Compliance Service
Digital Product Passport
EU-compliant product documentation
ADR Consulting for [(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate
[(E)-4-(dimethylamino)-4-oxobut-2-en-2-yl] dimethyl phosphate 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.