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| CAS No.: | 51-78-5 |
|---|---|
| Name: | 4-Hydroxyaniline hydrochloride |
| Article Data: | 5 |
| Molecular Structure: | |
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|
|
| Formula: | C6H7NO.HCl |
| Molecular Weight: | 145.589 |
| Synonyms: | Phenol,4-amino-, hydrochloride (9CI);Phenol, p-amino-, hydrochloride (8CI);4-Hydroxyanilinium chloride;C.I. 76551;C.I.Oxidation Base 6A;Durafur Brown R;Fouramine CP;Fourrine 83;Fourrine P;Furro P;Futramine P;Pelagol CP;Pelagol Grey CP;Peltol P;p-Aminophenolhydrochloride;p-Hydroxyaniline hydrochloride; |
| EINECS: | 200-122-6 |
| Density: | 1.21g/cm3 |
| Melting Point: | 302 °C |
| Boiling Point: | 282 °C at 760 mmHg |
| Flash Point: | 124.3 °C |
| Solubility: | soluble in water |
| Appearance: | Off white powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38-43 |
| Safety: | 28-36 |
| PSA: | 46.25000 |
| LogP: | 2.35760 |
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| Conditions | Yield |
|---|---|
| Stage #1: 4-nitro-phenol With sodium tetrahydroborate; water at 20℃; for 2h; Stage #2: With hydrogenchloride In ethyl acetate | 93% |
- 7647-01-0
hydrogenchloride
- 2835-04-3
5-amino-2-hydroxybenzenesulfonic acid
- 51-78-5
p-aminophenol hydrochloride
| Conditions | Yield |
|---|---|
| at 170℃; im geschlossenen Rohr; |
- 7647-01-0
hydrogenchloride
- 78533-09-2
α-methylsuccinic di-p-anisidine
A
- 74-87-3
methylene chloride
B
- 498-21-5, 636-60-2
2-methylbutanedioic acid
C
- 51-78-5
p-aminophenol hydrochloride
| Conditions | Yield |
|---|---|
| at 100℃; |
| Conditions | Yield |
|---|---|
| With hydrogenchloride In ethanol |
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: sodium azide / 5 h / 55 - 60 °C 2: hydrogenchloride / ethanol View Scheme |
- 3913-17-5
2-chloro-4,8-dimethyl-quinoline
- 51-78-5
p-aminophenol hydrochloride
- 1436858-68-2
4-(4,8-dimethylquinolin-2-ylamino)phenol hydrochloride
| Conditions | Yield |
|---|---|
| With hydrogenchloride In ethanol; water Heating; | 94% |
- 51-78-5
p-aminophenol hydrochloride
- 404586-94-3
1-(tert-butoxy)-2-(tert-butoxy)carbonyl-1,2-dihydroisoquinoline
A
- 54840-15-2
4-N-tert-butoxycarbonylaminophenol
B
- 95932-40-4
tert-butyl (4-((tert-butoxycarbonyl)oxy)phenyl)carbamate
| Conditions | Yield |
|---|---|
| In 1,2-dimethoxyethane at 20℃; | A 93% B n/a |
| In 1,2-dimethoxyethane at 20℃; for 16h; | A 93% B 5% |
- 32314-39-9
4-chloro-2,8-dimethylquinoline
- 51-78-5
p-aminophenol hydrochloride
| Conditions | Yield |
|---|---|
| With hydrogenchloride In ethanol; water for 10h; Heating; | 93% |
- 3913-18-6
2-chloro-4,6-dimethylquinoline
- 51-78-5
p-aminophenol hydrochloride
- 1436858-62-6
4-(4,6-dimethylquinolin-2-ylamino)phenol hydrochloride
| Conditions | Yield |
|---|---|
| With hydrogenchloride In ethanol; water Heating; | 92% |
- 51-78-5
p-aminophenol hydrochloride
- 22042-71-3
(4-formylphenoxy)acetic acid
- 96865-80-4
4-<<(4-hydoxyanilino)carbonyl>methoxy>benzaldehyde
| Conditions | Yield |
|---|---|
| With TEA; dicyclohexyl-carbodiimide In tetrahydrofuran; N,N-dimethyl-formamide for 2h; | 89% |
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Consensus Reports
Specification
The CAS register number of 4-Aminophenol hydrochloride is 51-78-5. It also can be called as 4-Hydroxyaniline hydrochloride and the IUPAC name about this chemical is 4-aminophenol hydrochloride. The molecular formula about this chemical is C6H7NO.HCl and the molecular weight is 145.59 . Classification code about this chemical is Mutation data. This chemical can be used for the photographic imaging agent, synthetic dyes, fur dyes, etc. It is mainly used for fur dyeing, but also can be used for sulfur dyes and pharmaceutical intermediates. This chemical is stable, but it is hygroscopic, air and light sensitive. It is incompatible with strong oxidizing agents.
Physical properties about 4-Aminophenol hydrochloride are: (1)ACD/LogP: -0.29; (2)ACD/LogD (pH 5.5): -0.5; (3)ACD/LogD (pH 7.4): -0.29; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 10.29; (7)ACD/KOC (pH 7.4): 16.47; (8)#H bond acceptors: 2; (9)#H bond donors: 3; (10)#Freely Rotating Bonds: 2; (11)Polar Surface Area: 12.47Å2; (12)Flash Point: 124.3 °C; (13)Enthalpy of Vaporization: 54.17 kJ/mol; (14)Boiling Point: 282 °C at 760 mmHg; (15)Vapour Pressure: 0.00202 mmHg at 25°C.
Uses of 4-Aminophenol hydrochloride: it can be used to produce methyl-carbamic acid 4-amino-phenyl ester with methyl-carbamic acid methyl ester at temperature of 60 ℃. This reaction will need reagent POCl3 with reaction time of 10 hours. The yield is about 39%.
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When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes, respiratory system and skin, it may cause sensitization by skin contact. When you are using it, wear suitable protective clothing. After contact with skin, wash immediately with plenty of soap-suds.
You can still convert the following datas into molecular structure:
(1)SMILES: Cl.Oc1ccc(N)cc1
(2)InChI: InChI=1/C6H7NO.ClH/c7-5-1-3-6(8)4-2-5;/h1-4,8H,7H2;1H
(3)InChIKey: RVGOBWDGAVAVPJ-UHFFFAOYAR
(4)Std. InChI: InChI=1S/C6H7NO.ClH/c7-5-1-3-6(8)4-2-5;/h1-4,8H,7H2;1H
(5)Std. InChIKey: RVGOBWDGAVAVPJ-UHFFFAOYSA-N
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 750mg/kg (750mg/kg) | National Technical Information Service. Vol. AD691-490, |