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4-(2,4-Dichlorophenoxy)butyric acid
Also known as: 4-(2,4-Dichlorophenoxy)butanoic acid · 94-82-6 · 2,4-DB · 2,4-dichlorophenoxybutyric acid
- CAS No.
- 94-82-6
- Formula
- C10H10Cl2O3
- Molar mass
- 249.09 g/mol
- PubChem CID
- 1489
Harmful / Irritant
Environmental hazard
Summary
4-(2,4-Dichlorophenoxy)butyric acid (C10H10Cl2O3), CAS 94-82-6. Common in labs and industry. Read on for hazards, storage, PPE and mixing rules.
Background
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Hazards
May cause skin, eye or respiratory irritation.
Toxic to aquatic organisms.
Hazard statements
- H302: Harmful if swallowed [Warning Acute toxicity, oral]
- H411: Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
Storage
Keep at room temperature, below 30 °C, out of direct heat.
Store somewhere well-ventilated and away from any ignition source.
Metal drums or tinted glass, tightly sealed.
Strong acids, strong bases and powerful oxidizers.
Personal protective equipment
Nitrile or butyl, at least 0.4 mm thick.
Safety goggles with side shields.
A2 organic-vapor cartridge if the room isn't well ventilated.
Occupational exposure limits (HSE)
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EU harmonised classification (ECHA C&L)
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Transport
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FDA recalls & enforcement
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Compatibilities
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Open comparator with 4-(2,4-Dichlorophenoxy)butyric acidPractical safety notes
- Irritant / harmful. Ventilate the workspace and avoid skin contact.
- Environmental hazard. Do not release to sewers or waterways; collect for hazardous waste disposal.
Derived from the GHS classification shown above. These notes are generic guidance and do not replace the manufacturer's SDS or your local risk assessment.
FAQ
Is 4-(2,4-Dichlorophenoxy)butyric acid flammable?+
4-(2,4-Dichlorophenoxy)butyric acid (CAS 94-82-6) does not carry the GHS02 flame pictogram in our records. Always confirm with the manufacturer's SDS section 9 (flash point) before assuming a product is non-flammable.
What PPE should I wear when handling 4-(2,4-Dichlorophenoxy)butyric acid?+
Safety glasses with side shields and nitrile gloves are the baseline. Ventilation should be sufficient to keep vapours below the occupational exposure limit. Check SDS section 8 for material-specific breakthrough times.
How should 4-(2,4-Dichlorophenoxy)butyric acid be stored?+
Store 4-(2,4-Dichlorophenoxy)butyric acid (CAS 94-82-6) in tightly closed original containers, in a cool, dry, well-ventilated area away from incompatible materials.
Is 4-(2,4-Dichlorophenoxy)butyric acid dangerous for the environment?+
Yes. 4-(2,4-Dichlorophenoxy)butyric acid carries the GHS09 environment pictogram. Do not release to drains, soil or waterways; collect residues for hazardous-waste disposal in line with local regulations.
Where can I find the official Safety Data Sheet for 4-(2,4-Dichlorophenoxy)butyric acid?+
Official, up-to-date SDS documents are published by each manufacturer (Sigma-Aldrich, Merck, Thermo Fisher, VWR, Carl Roth, etc.) and by regulators such as ECHA and NIOSH. This page is an educational summary and does not replace the manufacturer's SDS.
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