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2,4-Dichlorobenzaldehyde

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2,4-Dichlorobenzaldehyde Basic information

Product Name:
2,4-Dichlorobenzaldehyde
Synonyms:
  • 2,4-two chlorobenzeneforMaldehyde
  • 2,4-dichloro-benzaldehyd
  • 2,4-DCAD
  • 2,4-DICHLOROBENZALDEHYDE
  • AKOS BBS-00003196
  • DICHLOROBENZALDEHYDE
  • DICHLOROBENZALDEHYDE(2,4-)
  • 20) 2,4-DICHLORO BENZALDEHYDE
CAS:
874-42-0
MF:
C7H4Cl2O
MW:
175.01
EINECS:
212-861-1
Product Categories:
  • Building Blocks
  • Carbonyl Compounds
  • Aldehydes
  • C7
  • Carbonyl Compounds
  • Halofantrine
  • Chemical Synthesis
  • Organic Building Blocks
  • Aromatic Aldehydes & Derivatives (substituted)
Mol File:
874-42-0.mol
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2,4-Dichlorobenzaldehyde Chemical Properties

Melting point:
64-69 °C(lit.)
Boiling point:
233 °C(lit.)
Density 
1.3456 (rough estimate)
refractive index 
1.5756 (estimate)
Flash point:
135 °C
storage temp. 
Store below +30°C.
form 
Crystalline Powder, Crystals and/or Chunks
color 
Light yellow to beige
Water Solubility 
<0.1 g/100 mL at 24 ºC
Sensitive 
Air Sensitive
BRN 
471601
CAS DataBase Reference
874-42-0(CAS DataBase Reference)
NIST Chemistry Reference
Benzaldehyde, 2,4-dichloro-(874-42-0)
EPA Substance Registry System
Benzaldehyde, 2,4-dichloro- (874-42-0)
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Safety Information

Hazard Codes 
C,N,Xi
Risk Statements 
34-51/53-36/37/38
Safety Statements 
26-36/37/39-45-61-37/39
RIDADR 
UN 3261 8/PG 2
WGK Germany 
2
Autoignition Temperature
440 °C
Hazard Note 
Corrosive
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
29130000
Toxicity
LD50 orally in Rabbit: 3470 mg/kg

MSDS

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2,4-Dichlorobenzaldehyde Usage And Synthesis

Chemical Properties

light yellow to beige crystalline powder, crystals

Synthesis Reference(s)

Tetrahedron Letters, 30, p. 3677, 1989 DOI: 10.1016/S0040-4039(01)80481-0

General Description

White crystalline solid or off-white chunky solid with black specks and a pungent odor. Average shelf life 1 year in a closed container.

Air & Water Reactions

Sensitive to light. May also be sensitive to prolonged exposure to air and moisture. Insoluble in water.

Reactivity Profile

2,4-Dichlorobenzaldehyde is incompatible with iron, oxygen and oxygen-containing materials. 2,4-Dichlorobenzaldehyde is also incompatible with strong oxidizers and strong bases.

Fire Hazard

2,4-Dichlorobenzaldehyde is combustible.

Purification Methods

Crystallise the aldehyde from EtOH or ligroin. [Beilstein 7 IV 575.]

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