ChemicalBook >> CAS DataBase List >>2,4-Dichlorobenzaldehyde

2,4-Dichlorobenzaldehyde

CAS No.
874-42-0
Chemical Name:
2,4-Dichlorobenzaldehyde
Synonyms
DICHLOROBENZALDEHYDE;2,4-DCAD;AKOS BBS-00003196;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
Molecular Weight:
175.01
MDL Number:
MFCD00003305
MOL File:
874-42-0.mol
MSDS File:
SDS
Last updated:2026-06-04 16:00:12

2,4-Dichlorobenzaldehyde Properties

Melting point 64-69 °C (lit.)
Boiling point 233 °C (lit.)
bulk density 700kg/m3
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
InChI 1S/C7H4Cl2O/c8-6-2-1-5(4-10)7(9)3-6/h1-4H
InChIKey YSFBEAASFUWWHU-UHFFFAOYSA-N
SMILES [H]C(=O)c1ccc(Cl)cc1Cl
CAS DataBase Reference 874-42-0(CAS DataBase Reference)
FDA UNII Z08QL2124R
NIST Chemistry Reference Benzaldehyde, 2,4-dichloro-(874-42-0)
EPA Substance Registry System Benzaldehyde, 2,4-dichloro- (874-42-0)
UNSPSC Code 12352114
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Corrosion (GHS05)Environment (GHS09)
GHS05,GHS09
Signal word  Danger
Hazard statements  H314-H411
Precautionary statements  P260-P273-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
PPE Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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  TSCA listed
HazardClass  8
PackingGroup  III
HS Code  29130000
Storage Class 8A - Combustible corrosive hazardous materials
Hazard Classifications Aquatic Chronic 2
Eye Dam. 1
Skin Corr. 1B
Toxicity LD50 orally in Rabbit: 3470 mg/kg
Limited Quantities 1 Kg (2.2 lbs) (solid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
NFPA 704
1
3 0

2,4-Dichlorobenzaldehyde price More Price(62)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 8.20433 2,4-Dichlorobenzaldehyde for synthesis 874-42-0 100g $49.6 2026-04-30 Buy
Sigma-Aldrich 8.20433 2,4-Dichlorobenzaldehyde for synthesis 874-42-0 500g $173 2026-04-30 Buy
Sigma-Aldrich 8.20433 2,4-Dichlorobenzaldehyde for synthesis 874-42-0 25kg $3010 2026-04-30 Buy
Sigma-Aldrich 146757 2,4-Dichlorobenzaldehyde 99% 874-42-0 5g $35.7 2026-04-30 Buy
Sigma-Aldrich 146757 2,4-Dichlorobenzaldehyde 99% 874-42-0 100g $67.7 2026-04-30 Buy
Product number Packaging Price Buy
8.20433 100g $49.6 Buy
8.20433 500g $173 Buy
8.20433 25kg $3010 Buy
146757 5g $35.7 Buy
146757 100g $67.7 Buy

2,4-Dichlorobenzaldehyde Chemical Properties, Uses, 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.]

Global Suppliers ( 533)
Supplier Tel Email Country ProdList Advantage
Changzhou Xuanming Chemical 85525329 15961429598 2476433557@qq.com China 499 58
Beijing Ouhe Technology Co., Ltd 13552068683 13522913783 2355560935@qq.com China 11775 60
Wuhan hongde yuexin pharmaceutical technology co. LTD 027-83855395 13995685043 wuhanfudechem23@163.com China 1000 58
Hubei Zhuosheng New Material Technology Co., Ltd 18971238634 2189484023@qq.com China 497 58
Changzhou Gangtong Chemical Co., Ltd 13506120961; 13506120961 sales@gangtongchem.com China 48 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 18918157536; sales8178@energy-chemical.com China 45000 61

View Latest Price from 2,4-Dichlorobenzaldehyde manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2,4-Dichlorobenzaldehyde pictures 2026-09-02 2,4-Dichlorobenzaldehyde
874-42-0
$5.00 1KG 99% Henan Fengda Chemical Co., Ltd
2,4-Dichlorobenzaldehyde pictures 2026-05-28 2,4-Dichlorobenzaldehyde
874-42-0
$10.00 1kg 99% 10000kg Hebei Chuanghai Biotechnology Co,.LTD
2,4-Dichlorobenzaldehyde pictures 2026-03-20 2,4-Dichlorobenzaldehyde
874-42-0
$10.00 1KG 99% 10 mt Hebei Chuanghai Biotechnology Co., Ltd
2,4-two chlorobenzeneforMaldehyde 2,4-dichloro-benzaldehyd 2,4-DCAD 2,4-DICHLOROBENZALDEHYDE AKOS BBS-00003196 DICHLOROBENZALDEHYDE(2,4-) 20) 2,4-DICHLORO BENZALDEHYDE 2,4-Dichlorobenzaldehyde,98% Benzaldehyde, 2,4-dichloro- 1,3-Dichloro-4-formylbenzene 2,4-Dichlorobenzaldehyde, 98% 100GR 2,4-Dichlorobenzalde 2,4-Dichlorobenzyl alcohol EP Impurity F 2,4-Dichlorobenzenaldehyde 2,4-Dichlorobenzaldehyde 2.4 2,4-Dichlorobenzaldehyde > 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 DICHLOROBENZALDEHYDE 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)