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874-42-0

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Identification

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

Appearance
light yellow to beige crystalline powder, crystals
mp 
64-69 °C(lit.)

bp 
233 °C(lit.)

Fp 
135 °C
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
874-42-0(EPA Substance)

Safety Data

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

Hazard Note 
Corrosive
HazardClass 
8
PackingGroup 
III
HS Code 
29130000

Raw materials And Preparation Products

Hazard Information

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.

Material Safety Data Sheet(MSDS)

Spectrum Detail

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