51-44-5

Name 3,4-Dichlorobenzoic acid
CAS 51-44-5
EINECS(EC#) 200-099-2
Molecular Formula C7H4Cl2O2
MDL Number MFCD00002492
Molecular Weight 191.01
MOL File 51-44-5.mol

Chemical Properties

Appearance White to light yellow crystal powder
Melting point  204-206 °C (lit.)
Boiling point  273.68°C (rough estimate)
density  1.4410 (rough estimate)
refractive index  1.4590 (estimate)
storage temp.  Sealed in dry,Room Temperature
form  powder to crystal
pka 3.60±0.10(Predicted)
color  White to Almost white
Water Solubility  insoluble
BRN  2044777
InChI InChI=1S/C7H4Cl2O2/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3H,(H,10,11)
InChIKey VPHHJAOJUJHJKD-UHFFFAOYSA-N
SMILES C(O)(=O)C1=CC=C(Cl)C(Cl)=C1
CAS DataBase Reference 51-44-5(CAS DataBase Reference)
NIST Chemistry Reference Benzoic acid, 3,4-dichloro-(51-44-5)
EPA Substance Registry System 51-44-5(EPA Substance)

Safety Data

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
R37/38:Irritating to respiratory system and skin .
R36:Irritating to the eyes.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection .
WGK Germany  3
RTECS  DG7175000
Hazard Note  Irritant
TSCA  Yes
HS Code  29163900
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
Safety Profile
Poison by subcutaneous route. When heated to decomposition it emits toxic fumes of Cl-.

Hazard Information

Material Safety Data Sheet(MSDS)

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