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820451 2,4-Dichlorophenoxyacetic acid

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Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar Mass
94-75-7202-361-1C₈H₆Cl₂O₃2,4-(Cl)₂C₆H₃OCH₂COOH221.04 g/mol


Catalogue NumberPackaging Qty/Pack
8204510005 Glass bottle 5 g
8204510250 Plastic bottle 250 g
8204511000 Plastic bottle 1 kg
Catalogue Number820451
Synonyms2,4 D-acid
Description2,4-Dichloro|phenoxyacetic acid for synthesis
Product Information
CAS number94-75-7
EC index number607-039-00-8
EC number202-361-1
Hill FormulaC₈H₆Cl₂O₃
Chemical formula2,4-(Cl)₂C₆H₃OCH₂COOH
Molar Mass221.04 g/mol
HS Code2918 99 90
Structure formula ImageStructure formula Image
Quality LevelMQ200
Application2,4-Dichlorophenoxyacetic acid for synthesis. CAS 94-75-7, chemical formula 2,4-(Cl)₂C₆H₃OCH₂COOH.
Biological Information
Physicochemical Information
Boiling point160 °C (0.53 hPa)
Density1.42 g/cm3 (25 °C)
Melting Point134 - 137 °C
Vapor pressure<0.01 hPa
Bulk density720 kg/m3
Solubility0.3 g/l
Materials Information
Toxicological Information
LD 50 oralLD50 Rat 375 mg/kg
LD 50 dermalLD50 Rabbit > 2000 mg/kg
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s)H302: Harmful if swallowed.
H317: May cause an allergic skin reaction.
H318: Causes serious eye damage.
H335: May cause respiratory irritation.
H412: Harmful to aquatic life with long lasting effects.
Precautionary Statement(s)P273: Avoid release to the environment.
P280: Wear protective gloves.
P280: Wear eye protection.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P313: Get medical advice/ attention.
Signal WordDanger
Storage class10 - 13 Other liquids and solids
WGKWGK 2 obviously hazardous to water
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Safety Information
Hazard Symbols Hazard SymbolsHarmful
Categories of dangerharmful, irritant, sensitizing, dangerous for the environment
R PhraseR 22-37-41-43-52/53
Harmful if swallowed.Irritating to respiratory system.Risk of serious damage to eyes.May cause sensitisation by skin contact.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S PhraseS 24/25-26-36/37/39-46-61
Avoid contact with skin and eyes.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.If swallowed, seek medical advice immediately and show this container or label.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
Product Usage Statements
Storage and Shipping Information
StorageStore below +30°C.
Packaging Information
Transport Information
Supplemental Information
Assay (acidimetric)≥ 98.0 %
Melting range (lower value)≥ 134 °C
Melting range (upper value)≤ 140 °C
Identity (IR)passes test

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