874-42-0

Name 2,4-Dichlorobenzaldehyde
CAS 874-42-0
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
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

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
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

Hazard Information

Material Safety Data Sheet(MSDS)

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