| Identification | More | [Name]
2,4-Dichlorobenzaldehyde | [CAS]
874-42-0 | [Synonyms]
2,4-DCAD
2,4-DICHLOROBENZALDEHYDE
AKOS BBS-00003196
DICHLOROBENZALDEHYDE
DICHLOROBENZALDEHYDE(2,4-)
2,4-dichloro-benzaldehyd
2,4-Dichlorobenzaldehyde,98%
Benzaldehyde, 2,4-dichloro-
20) 2,4-DICHLORO BENZALDEHYDE | [EINECS(EC#)]
212-861-1 | [Molecular Formula]
C7H4Cl2O | [MDL Number]
MFCD00003305 | [Molecular Weight]
175.01 | [MOL File]
874-42-0.mol |
| Chemical Properties | Back Directory | [Appearance]
light yellow to beige crystalline powder, crystals | [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) | [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 | [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) | [NIST Chemistry Reference]
Benzaldehyde, 2,4-dichloro-(874-42-0) | [EPA Substance Registry System]
874-42-0(EPA Substance) |
| Safety Data | Back Directory | [Symbol(GHS) ]
 
GHS05,GHS09 | [Signal word ]
Danger | [Hazard statements ]
H314-H411 | [Precautionary statements ]
P260-P273-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338 | [Hazard Codes ]
C,N,Xi | [Risk Statements ]
R34:Causes burns.
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S37/39:Wear suitable gloves and eye/face protection . | [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 | [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 |
| Raw materials And Preparation Products | Back Directory | [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 |
| Hazard Information | Back Directory | [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. | [Reactivity Profile]
2,4-DICHLOROBENZALDEHYDE(874-42-0) is incompatible with iron, oxygen and oxygen-containing materials. 2,4-DICHLOROBENZALDEHYDE(874-42-0) is also incompatible with strong oxidizers and strong bases. | [Air & Water Reactions]
Sensitive to light. May also be sensitive to prolonged exposure to air and moisture. Insoluble in water. | [Fire Hazard]
This compound is combustible. | [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. | [Synthesis Reference(s)]
Tetrahedron Letters, 30, p. 3677, 1989 DOI: 10.1016/S0040-4039(01)80481-0 | [Purification Methods]
Crystallise the aldehyde from EtOH or ligroin. [Beilstein 7 IV 575.] |
|
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