ChemicalBook > CAS DataBase List > 2,4-Dichlorobenzaldehyde

2,4-Dichlorobenzaldehyde

Product Name
2,4-Dichlorobenzaldehyde
CAS No.
874-42-0
Chemical Name
2,4-Dichlorobenzaldehyde
Synonyms
2,4-DCAD;AKOS BBS-00003196;DICHLOROBENZALDEHYDE;2,4-Dichlorobenzalde;Miconazole Impurity 19;2,4-DICHLOROBENZALDEHYDE;2,4-dichloro-benzaldehyd;4-Dichlorobenzenaldehyde;DICHLOROBENZALDEHYDE(2,4-);2,4-Dichlorobenzenaldehyde
CBNumber
CB9316111
Molecular Formula
C7H4Cl2O
Formula Weight
175.01
MOL File
874-42-0.mol
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2,4-Dichlorobenzaldehyde Property

Melting point:
64-69 °C (lit.)
Boiling point:
233 °C (lit.)
Density 
1.3456 (rough estimate)
bulk density
700kg/m3
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

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
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H314Causes severe skin burns and eye damage

H411Toxic to aquatic life with long lasting effects

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.20433
Product name
2,4-Dichlorobenzaldehyde
Purity
for synthesis
Packaging
100g
Price
$46.6
Updated
2025/07/31
Sigma-Aldrich
Product number
8.20433
Product name
2,4-Dichlorobenzaldehyde
Purity
for synthesis
Packaging
500g
Price
$163
Updated
2025/07/31
Sigma-Aldrich
Product number
8.20433
Product name
2,4-Dichlorobenzaldehyde
Purity
for synthesis
Packaging
25kg
Price
$2830
Updated
2025/07/31
Sigma-Aldrich
Product number
146757
Product name
2,4-Dichlorobenzaldehyde
Purity
99%
Packaging
5g
Price
$33.5
Updated
2025/07/31
Sigma-Aldrich
Product number
146757
Product name
2,4-Dichlorobenzaldehyde
Purity
99%
Packaging
100g
Price
$63.5
Updated
2025/07/31
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2,4-Dichlorobenzaldehyde Chemical Properties,Usage,Production

Chemical Properties

light yellow to beige crystalline powder, crystals

Uses

2,4-Dichlorobenzaldehyde is used in the synthesis of platelet aggregation inhibitors. Also used in the preparation of novel Schiff bases containing quinazolinone rings.

Uses

2,4-Dichlorobenzaldehyde was used in the solid-phase synthesis of a series of indole-based peptoids.

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.]

2,4-Dichlorobenzaldehyde Preparation Products And Raw materials

Raw materials

ALPHA,ALPHA,2,4-TETRACHLOROTOLUENE Acetylacetone 2,4-Dichlorotoluene Chlorine Metallic oxides 2,4-Dichlorobenzyl chloride

Preparation Products

Diniconazole Diclobutrazol 2,4-Dichloro-5-nitrobenzalehyde
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View Lastest Price from 2,4-Dichlorobenzaldehyde manufacturers

Hebei Chuanghai Biotechnology Co., Ltd
Product
2,4-Dichlorobenzaldehyde 874-42-0
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2024-11-18
Chongqing Soarwin Technology Co., Ltd
Product
2,4-Dichlorobenzaldehyde 874-42-0
Price
US $0.00-0.00/Kg
Min. Order
1Kg
Purity
99.99%
Supply Ability
20 tons
Release date
2025-04-11
Hebei Zhuanglai Chemical Trading Co Ltd
Product
2,4-Dichlorobenzaldehyde 874-42-0
Price
US $10.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20 ton
Release date
2024-12-12

874-42-0, 2,4-DichlorobenzaldehydeRelated Search:

4-Dimethylaminobenzaldehyde Benzaldehyde 4-Hydroxybenzaldehyde 2-Nitrobenzaldehyde 2,3-DICHLOROBENZALDEHYDE,2,3-Dichlorobenzaldehyde,99%,2,3-Dichlorobenzaldehyde,99%,2,3-DICHLOROBENZALDEHYDE p-Anisaldehyde 2',4'-Dichloroacetophenone 2,4-Dichlorophenol 3-(Trifluoromethyl)benzaldehyde 2,6-Dichlorobenzaldehyde 2,5-Dichlorobenzaldehyde 2,4-DICHLORO-6-HYDROXYBENZALDEHYDE 2,2',4'-Trichloroacetophenone 2,4-DICHLORO-3,5-DINITROBENZOIC ACID 2,4-Dichlorobenzoyl chloride 3,5-Dichlorobenzaldehyde 3,4,5,6-TETRACHLOROFLUORESCEIN Tetrachlorophthalimide

  • 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
  • 2,4-Dichlorobenzaldehyde,98%
  • Benzaldehyde, 2,4-dichloro-
  • 2,4-Dichlorobenzyl alcohol EP Impurity F
  • 1,3-Dichloro-4-formylbenzene
  • 2,4-Dichlorobenzaldehyde, 98% 100GR
  • 2,4-Dichlorobenzalde
  • 2,4-Dichlorobenzenaldehyde
  • 2,4-Dichlorobenzaldehyde 2.4
  • 2,4-Dichlorobenzaldehyde &gt
  • 2,4-DICHLOROBENZALDEHYDE FOR SYNTHESIS
  • 2,4-Dichlorobenzaldehyde ISO 9001：2015 REACH
  • Miconazole Impurity 19
  • Dextropropoxyphene Hydrochloride Impurity 1 (Dextropropoxyphene Hydrochloride EP Impurity A)
  • 2,4-Dichloridebenzaldehyde
  • 4-Dichlorobenzenaldehyde
  • 874-42-0
  • 874-42-O
  • 87-65-9
  • 87-65-3
  • Organic Building Blocks
  • ALDEHYDE
  • Aldehydes
  • Building Blocks
  • Carbonyl Compounds
  • C7
  • Building Blocks
  • Carbonyl Compounds
  • Aldehydes
  • C7
  • Carbonyl Compounds
  • Halofantrine
  • Chemical Synthesis
  • Organic Building Blocks
  • Aromatic Aldehydes & Derivatives (substituted)