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CAS No.: | 56962-08-4 |
---|---|
Name: | 4,5-DICHLOROPHTHALIC ACID |
Article Data: | 14 |
Molecular Structure: | |
Formula: | C8H4 Cl2 O4 |
Molecular Weight: | 235.023 |
Synonyms: | 4,5-Dichloro-2-carboxybenzoicacid; 4,5-Dichlorophthalic acid |
Density: | 1.698g/cm3 |
Melting Point: |
198-200 °C (dec.)(lit.) |
Boiling Point: | 422.1°Cat760mmHg |
Flash Point: | 209.1°C |
Hazard Symbols: | Xi |
Risk Codes: | R36/37/38 |
PSA: | 74.60000 |
LogP: | 2.38980 |
benzene-1,2-dicarboxylic acid
A
4-chlorophthalic acid
B
4,5-dichlorophthalic acid
Conditions | Yield |
---|---|
With sodium hydroxide; chlorine |
dichloromaleic acid anhydride
2,3-dichlorobuta-1,3-diene
4,5-dichlorophthalic acid
Conditions | Yield |
---|---|
(i), (ii) aq. NaOH; Multistep reaction; |
2-Amino-6,7-dichloro-9-oxofluoren-1-carbonsaeure
4,5-dichlorophthalic acid
Conditions | Yield |
---|---|
With potassium dichromate; sulfuric acid |
chlorine
benzene-1,2-dicarboxylic acid
A
4-chlorophthalic acid
B
4,5-dichlorophthalic acid
chlorine
benzene-1,2-dicarboxylic acid
A
4-chlorophthalic acid
B
4,5-dichlorophthalic acid
water
chlorine
benzene-1,2-dicarboxylic acid
A
4-chlorophthalic acid
B
4,5-dichlorophthalic acid
C
3,6-dichlorophthalic acid
D
3,4-dichloro-phthalic acid
Conditions | Yield |
---|---|
at 45℃; zuletzt unter Zusatz von wss. Natronlauge; |
4,5-dichlorophthalic acid
Conditions | Yield |
---|---|
With nitric acid at 180℃; im Rohr; |
4,5-dichlorophthalic acid
Conditions | Yield |
---|---|
With chlorine |
4,5-dichlorophthalic acid
Conditions | Yield |
---|---|
With nitric acid at 200℃; im geschlossenen Rohr; |