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2,4-Dichlorobenzoic Acid
Also known as: 2,4-DICHLOROBENZOIC ACID · 50-84-0 · Benzoic acid, 2,4-dichloro- · DTXSID0024977
- CAS No.
- 50-84-0
- Formula
- C7H4Cl2O2
- Molar mass
- 191.01 g/mol
- PubChem CID
- 5787
Harmful / Irritant
Summary
2,4-Dichlorobenzoic Acid (C7H4Cl2O2), CAS 50-84-0. 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.
Hazard statements
- H302
- H315
- H319
- H335
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 2,4-Dichlorobenzoic AcidPractical safety notes
- Irritant / harmful. Ventilate the workspace and avoid skin contact.
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 2,4-Dichlorobenzoic Acid flammable?+
2,4-Dichlorobenzoic Acid (CAS 50-84-0) 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 2,4-Dichlorobenzoic 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 2,4-Dichlorobenzoic Acid be stored?+
Store 2,4-Dichlorobenzoic Acid (CAS 50-84-0) in tightly closed original containers, in a cool, dry, well-ventilated area away from incompatible materials.
Is 2,4-Dichlorobenzoic Acid dangerous for the environment?+
No specific environmental pictogram (GHS09) is listed in our records for 2,4-Dichlorobenzoic Acid, but any chemical waste should be handled through your site's hazardous-waste procedure, not poured down the drain.
Where can I find the official Safety Data Sheet for 2,4-Dichlorobenzoic 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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