Product

2,4-Dichlorobenzaldehyde

CAS No.：874-42-0

Other grades of this product :

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;Halofantrine;Aldehydes;C7;Carbonyl Compounds;Aromatic Aldehydes & Derivatives (substituted);Chemical Synthesis;Organic Building Blocks
Mol File:	874-42-0.mol

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)
Fp	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)

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 Information

Provider	Language
2,4-Dichlorobenzaldehyde	English
ACROS	English
SigmaAldrich	English
ALFA	English

2,4-Dichlorobenzaldehyde Usage And Synthesis

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

Chlorine-->Acetylacetone-->2,4-Dichlorotoluene-->Metallic oxides-->2,4-Dichlorobenzyl chloride-->ALPHA,ALPHA,2,4-TETRACHLOROTOLUENE-->2,5-DICHLOROBENZALDEHYDE-->Methanediol, (2,4-dichlorophenyl)-, diacetate-->(NE)-N-[(2,4-dichlorophenyl)methylidene]hydroxylamine-->2,4-DICHLOROBENZYL MERCAPTAN-->2,4-Dichlorophenylacetic acid-->2,4-DICHLOROBENZALDEHYDE OXIME-->1,3-DICHLORO-4-IODOBENZENE-->2,4-Dichlorobenzyl alcohol-->Formic acid-->2,4-Dichlorobenzoyl chloride

Preparation Products

Diniconazole-->Diclobutrazol-->2,4-Dichloro-5-nitrobenzalehyde-->2,4-Dichlorobenzoic acid-->2,4-Difluorobenzaldehyde

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