- 4-Hydrazinobenzoic acid
- 4-Hydrazinobenzoic acid hydrochloride
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Cas Database |
| Name |
4-Hydrazinobenzoic acid |
EINECS | 210-609-5 |
| CAS No. | 619-67-0 | Density | 1.401 g/cm3 |
| PSA | 75.35000 | LogP | 1.44370 |
| Solubility | N/A | Melting Point |
218 °C (dec.)(lit.) |
| Formula | C7H8N2O2 | Boiling Point | 377.2 °C at 760 mmHg |
| Molecular Weight | 152.153 | Flash Point | 181.9 °C |
| Transport Information | N/A | Appearance | solid |
| Safety | 26-36 | Risk Codes | 36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
4-hydrazinylbenzoic acid |
Article Data | 14 |
4-Hydrazinobenzoic acid Synthetic route
| Conditions | Yield |
|---|---|
| Stage #1: 4-amino-benzoic acid With hydrogenchloride; sodium hydroxide; sodium nitrite In water at 0℃; for 0.833333h; Stage #2: With tin(II) chloride dihdyrate In water at 0 - 20℃; | 85.2% |
| Stage #1: 4-amino-benzoic acid With hydrogenchloride; sodium hydroxide; sodium nitrite In water at 0℃; for 0.833333h; Stage #2: With tin(II) chloride dihdyrate In water for 2.5h; | 85.2% |
| Multi-step reaction with 2 steps 1: Diazotization 2: aq.-ethanolic HCl View Scheme |
- 24589-77-3, 52455-33-1
4-hydrazinobenzoic acid hydrochloride
- 619-67-0
4-Hydrazinobenzoic acid
| Conditions | Yield |
|---|---|
| With dimethyl N-cyanodithioiminocarbonate In ethanol Heating; | 41% |
- 619-67-0
4-Hydrazinobenzoic acid
| Conditions | Yield |
|---|---|
| With hydrogenchloride |
- 619-67-0
4-Hydrazinobenzoic acid
| Conditions | Yield |
|---|---|
| Reaktion ueber mehrere Stufen; |
| Conditions | Yield |
|---|---|
| With copper(l) iodide; potassium carbonate; hydrazine hydrate In water at 90℃; for 8h; |
- 619-67-0
4-Hydrazinobenzoic acid
- 123-54-6
acetylacetone
- 81282-82-8
4-(3,5-dimethyl-1H-pyrazol-1-yl)benzoic acid
| Conditions | Yield |
|---|---|
| In isopropyl alcohol for 15h; Reflux; | 100% |
| In isopropyl alcohol for 15h; Heating / reflux; | 99% |
| With sulfuric acid In methanol at 20℃; | 90% |
- 19437-26-4
2,2'-dipyridyl ketone
- 619-67-0
4-Hydrazinobenzoic acid
| Conditions | Yield |
|---|---|
| With hydrogenchloride In acetonitrile for 6h; Reflux; | 100% |
| Conditions | Yield |
|---|---|
| In ethanol Reflux; | 100% |
| Conditions | Yield |
|---|---|
| In neat (no solvent) at 20℃; for 0.5h; Solvent; Sonication; | 100% |
- 108-94-1
cyclohexanone
- 619-67-0
4-Hydrazinobenzoic acid
- 36729-27-8
6,7,8,9-tetrahydro-5H-carbazole-3-carboxylic acid
| Conditions | Yield |
|---|---|
| With sulfuric acid In water at 70℃; for 0.75h; Heating / reflux; | 99% |
| With acetic acid for 8.5h; Fischer Indole Synthesis; Reflux; | 82% |
| Erhitzen des Reaktionsgemisches in wss. H2SO4; |
4-Hydrazinobenzoic acid Chemical Properties
Molecular structure of 4-Hydrazinobenzoic acid (CAS NO.619-67-0) is:
Product Name: 4-Hydrazinobenzoic acid
CAS Registry Number: 619-67-0
IUPAC Name: 4-hydrazinylbenzoic acid
Molecular Weight: 152.15062 [g/mol]
Molecular Formula: C7H8N2O2
XLogP3: -0.9
H-Bond Donor: 3
H-Bond Acceptor: 4
EINECS: 210-609-5
Melting Point: 218 °C (dec.)(lit.)
Surface Tension: 73.1 dyne/cm
Density: 1.401 g/cm3
Flash Point: 181.9 °C
Enthalpy of Vaporization: 65.93 kJ/mol
Boiling Point: 377.2 °C at 760 mmHg
Vapour Pressure: 2.32E-06 mmHg at 25 °C
Stability: Stable. Combustible. Incompatible with strong acids, strong oxidizing agents.
Product Categories: Aromatic Hydrazides, Hydrazines, Hydrazones and Oximes;Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts;Benzene series;Organic acids;Hydrazines;Nitrogen Compounds;Organic Building Blocks
4-Hydrazinobenzoic acid Toxicity Data With Reference
| 1. | mmo-sat 3 µmol/plate | ZLUFAR Zeitschrift fuer Lebensmittel-Untersuchung und-Forschung. 183 (1986),85. |
4-Hydrazinobenzoic acid Safety Profile
Safty information about 4-Hydrazinobenzoic acid (CAS NO.619-67-0) is:
Questionable carcinogen with experimental carcinogenic data. Mutation data reported. When heated to decomposition it emits toxic vapors of NOx.
Hazard Codes: 
Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
WGK Germany: 1
RTECS: DH1700000
Hazard Note: Irritant
4-Hydrazinobenzoic acid Specification
4-Hydrazinobenzoic acid , its cas register number is 619-67-0. It also can be called (4-Carboxyphenyl)hydrazine ; p-Carboxyphenylhydrazine ; p-Hydrazinobenzoic acid ; Benzoic acid, 4-hydrazino- ; Benzoic acid, 4-hydrazinyl- ; Benzoic acid, p-hydrazino- .It is a light tan powder.
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