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3,5-Dichlorobenzoic acid

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3,5-Dichlorobenzoic acid Basic information

Product Name:
3,5-Dichlorobenzoic acid
CAS:
51-36-5
MF:
C7H4Cl2O2
MW:
191.01
EINECS:
200-092-4
Mol File:
51-36-5.mol
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3,5-Dichlorobenzoic acid Chemical Properties

Melting point:
184-187 °C(lit.)
Boiling point:
273.68°C (rough estimate)
Density 
1.4410 (rough estimate)
refractive index 
1.4590 (estimate)
storage temp. 
2-8°C
pka
3.46±0.10(Predicted)
Water Solubility 
147.1mg/L(temperature not stated)
BRN 
2044776
InChIKey
CXKCZFDUOYMOOP-UHFFFAOYSA-N
CAS DataBase Reference
51-36-5(CAS DataBase Reference)
NIST Chemistry Reference
3,5-Dichlorobenzoic acid(51-36-5)
EPA Substance Registry System
3,5-Dichlorobenzoic acid (51-36-5)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-37/39
WGK Germany 
3
RTECS 
DG7350000
Hazard Note 
Irritant
HazardClass 
IRRITANT
HS Code 
29163990

MSDS

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3,5-Dichlorobenzoic acid Usage And Synthesis

Chemical Properties

White to beige powder

Synthesis Reference(s)

Journal of the American Chemical Society, 73, p. 455, 1951 DOI: 10.1021/ja01145a145

Purification Methods

Crystallise the acid from EtOH and sublime it in a vacuum. [Beilstein 9 IV 1008.] Aromatic acid impurities (to <0.05%) can be removed via the (±)--methylbenzylamine salt as described for 2,4-dichlorobenzoic acid [Ley & Yates Organic Process Research & Development 12 120 2008.]

3,5-Dichlorobenzoic acid Preparation Products And Raw materials

Preparation Products

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