1,3-dichloroprop-1-ene

C3H4Cl2

CAS542-75-6
GHS02 Gefahrensymbol: Entzündbar – Flamme
GHS06 Gefahrensymbol: Giftig – Totenkopf mit Knochen
GHS08 Gefahrensymbol: Gesundheitsgefahr – Gesundheitsgefahr
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

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Identification

CAS Number
542-75-6
EC Number
208-826-5
UN Number
2047
Index Number
602-030-00-5
PubChem CID
24883

Physical-chemical properties

Molecular Formula
C3H4Cl2
Molar Mass
110.97 g/mol
IUPAC Name
1,3-dichloroprop-1-ene

Chemical Identifiers

InChI
InChI=1S/C3H4Cl2/c4-2-1-3-5/h1-2H,3H2
InChI Key
UOORRWUZONOOLO-UHFFFAOYSA-N

Overview

1,3-Dichloroprop-1-ene (CAS 542-75-6) is an organochlorine compound with significant industrial applications as a soil fumigant and chemical intermediate. This halogenated alkene, with the molecular formula C3H4Cl2 and a molecular weight of 110.97 g/mol, represents an important class of chlorinated hydrocarbons widely used in agricultural and industrial processes. The compound exists as a mixture of geometric isomers and is characterized by its double bond functionality combined with two chlorine substituents, making it highly reactive and suitable for various chemical transformations. 1,3-Dichloroprop-1-ene exhibits flammable liquid properties (Class 3) and requires careful handling due to its acute toxicity profile. The substance presents multiple health hazards, including acute toxicity through oral, dermal, and inhalation routes, skin irritation potential, and specific target organ toxicity. Its classification under GHS pictograms includes flame, skull and crossbones, health hazard, and environmental hazard symbols, reflecting its comprehensive risk profile. The compound's volatility and chemical reactivity necessitate proper storage conditions and appropriate safety measures during handling and transportation. Primary industrial applications include its use as a soil fumigant for nematode control in agriculture, serving as an effective pre-plant treatment for various crops. The compound also functions as a chemical intermediate in the synthesis of other organochlorine compounds and specialty chemicals. Unlike simpler compounds such as prop-2-enenitrile, 1,3-dichloroprop-1-ene's dual chlorine functionality provides enhanced biocidal properties essential for agricultural applications. OYSI provides reliable access to 1,3-dichloroprop-1-ene for qualified industrial customers throughout Europe, ensuring compliance with all relevant chemical regulations and safety standards.

Safety & Classification

Danger
Classification:

Flam. Liq. 3; Acute Tox. 4 *; Acute Tox. 3 *; Acute Tox. 3 *; Asp. Tox. 1; STOT SE 3; Skin Irrit....

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H226

Flammable liquid and vapour.

H332

Harmful if inhaled.

H311

Toxic in contact with skin.

H301

Toxic if swallowed.

H304

May be fatal if swallowed and enters airways.

H335

May cause respiratory irritation.

H315

Causes skin irritation.

H319

Causes serious eye irritation.

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

Inhalation

Harmful

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

Toxic

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:

Eye Contact

Irritant

Measures if substance gets into the eyes

First Aid Actions

  • +P305IF IN EYES:
  • +P351Rinse cautiously with water for several minutes.
  • +P338Remove contact lenses, if present and easy to do. Continue rinsing.
  • +P313Get medical advice/attention.

Related hazard statements:

Ingestion

Toxic

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 Number2047
ADR Class3
Packing GroupIII
Tunnel CodeD/E
Proper Shipping Name1,3-Dichlorpropen, cis/trans-Isomere oder Isomerengemisch, 23 °C <= Flp. <= 60 °C
Marine PollutantNo

Frequently Asked Questions

What is 1,3-dichloroprop-1-ene?

1,3-dichloroprop-1-ene is an organochlorine compound with the molecular formula C3H4Cl2 and molecular weight of 110.97 g/mol. This chemical substance belongs to the class of chlorinated alkenes and is characterized by the presence of two chlorine atoms attached to a three-carbon propene chain. It exists as a mixture of cis and trans isomers and is classified as a hazardous substance requiring careful handling due to its multiple toxicity classifications.

What are the physicochemical properties of 1,3-dichloroprop-1-ene?

1,3-dichloroprop-1-ene is a colorless to pale yellow liquid at room temperature with a characteristic sweet, chloroform-like odor. The compound has low water solubility but dissolves readily in organic solvents such as alcohols, ethers, and hydrocarbons. It exhibits moderate volatility and is classified as a flammable liquid (Category 3), making it important to control vapor concentrations and ignition sources during handling and storage operations.

What is 1,3-dichloroprop-1-ene used for?

1,3-dichloroprop-1-ene serves primarily as a soil fumigant and nematicide in agricultural applications for controlling soil-borne pests, nematodes, and fungi. It is used in pre-plant soil treatment to protect crops from various soil pathogens. Additionally, it functions as an intermediate in chemical synthesis processes and in the production of other chlorinated organic compounds. Its biocidal properties make it valuable for specialized industrial applications requiring pest control.

How to handle 1,3-dichloroprop-1-ene safely?

1,3-dichloroprop-1-ene requires strict safety measures including wearing appropriate personal protective equipment: chemical-resistant gloves, safety goggles, and respiratory protection. Work in well-ventilated areas or under fume extraction systems to prevent vapor inhalation. Avoid contact with skin, eyes, and clothing. Keep away from heat sources, sparks, and open flames due to its flammable nature. Ensure emergency eyewash stations and safety showers are readily accessible during handling operations.

How to store 1,3-dichloroprop-1-ene correctly?

1,3-dichloroprop-1-ene must be stored in a cool, dry, well-ventilated area away from heat sources and ignition points. Use original containers or approved chemical-resistant containers with tight-fitting lids. Store separately from oxidizing agents, bases, and reactive metals to prevent dangerous reactions. Maintain storage temperatures below 25°C and ensure adequate fire suppression systems are available. Storage areas should be equipped with appropriate containment measures for potential spills.

What to do in case of contact with 1,3-dichloroprop-1-ene?

Immediate action is required upon contact with 1,3-dichloroprop-1-ene. For skin contact, remove contaminated clothing and wash affected area thoroughly with soap and water for at least 15 minutes. In case of eye contact, flush immediately with clean water for 15-20 minutes. If inhaled, move person to fresh air and monitor breathing. For ingestion, do not induce vomiting. Seek immediate medical attention in all cases and provide safety data sheet information to medical personnel.

How to dispose of 1,3-dichloroprop-1-ene appropriately?

1,3-dichloroprop-1-ene disposal must comply with local, national, and EU waste regulations as it is classified as hazardous waste. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Do not discharge into sewers, waterways, or soil. Small quantities may be destroyed by controlled incineration at authorized facilities with appropriate emission controls. Empty containers should be triple-rinsed and disposed of according to local regulations for contaminated packaging materials.

How to transport 1,3-dichloroprop-1-ene?

1,3-dichloroprop-1-ene is classified under ADR Class 3 (Flammable Liquids), Packing Group III for transportation purposes. It requires proper packaging in UN-approved containers with appropriate labeling including flammable liquid hazard labels. Transport vehicles must be equipped with appropriate fire extinguishing equipment and emergency response information. Drivers require ADR certification for dangerous goods transport, and shipments must be accompanied by proper transport documentation and emergency response procedures.

Is 1,3-dichloroprop-1-ene subject to specific regulations?

1,3-dichloroprop-1-ene is subject to extensive European regulations including REACH registration requirements and CLP classification obligations. It falls under various national pesticide regulations due to its biocidal applications. The substance requires safety data sheets compliant with EU standards and may be subject to import/export restrictions. Users must comply with occupational exposure limits and workplace safety regulations. Regular monitoring and reporting may be required depending on usage quantities and applications.

Where to buy 1,3-dichloroprop-1-ene in Europe?

1,3-dichloroprop-1-ene is available through OYSI, a specialized European distributor of chemical products with expertise in hazardous substance supply chain management. OYSI provides comprehensive technical support, regulatory compliance assistance, and proper documentation for industrial customers. As a regulated substance, purchases typically require verification of intended use and appropriate handling capabilities. Contact OYSI directly to discuss availability, technical specifications, packaging options, and regulatory requirements for your specific application needs.

Data Sources

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