- Metanilic acid
- Metanilic acid sodium salt
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Cas Database |
| Name |
Metanilic acid |
EINECS | 204-473-6 |
| CAS No. | 121-47-1 | Density | 1.512 g/cm3 |
| PSA | 88.77000 | LogP | 2.17750 |
| Solubility | slightly soluble in water | Melting Point |
>300 °C(lit.) |
| Formula | C6H7NO3S | Boiling Point | N/A |
| Molecular Weight | 173.192 | Flash Point | N/A |
| Transport Information | N/A | Appearance | white powder |
| Safety | 23-28-28A-25 | Risk Codes | 20/21/22 |
| Molecular Structure |
|
Hazard Symbols |
 Xn
|
| Synonyms |
Metanilicacid (6CI,8CI);3-Aminobenzenesulfonic acid;3-Aminophenylsulfonic acid;3-Anilinesulfonic acid;3-Sulfoaniline;NSC 4504;m-Aminobenzenesulfonic acid;m-Aminophenylsulfonic acid;m-Anilinesulfonicacid; |
Article Data | 77 |
Metanilic acid Synthetic route
| Conditions | Yield |
|---|---|
| With aluminum oxide; sulfuric acid at 45 - 80℃; for 2.5h; | 93% |
| Conditions | Yield |
|---|---|
| With cast-iron; mineral acid |
| Conditions | Yield |
|---|---|
| With hydrogenchloride at 180℃; | |
| With sodium amalgam |
| Conditions | Yield |
|---|---|
| With hydrogenchloride; ethanol; tin(ll) chloride |
- 150454-14-1
5-amino-2-bromo-benzenesulfonic acid
- 121-47-1
3-aminobenzenesulfonic acid
| Conditions | Yield |
|---|---|
| With zinc |
| Conditions | Yield |
|---|---|
| With water; nickel; hydrazine hydrate | |
| With sodium hydroxide; dihydrogen peroxide In water; 3-Nitrobenzenesulfonic acid | |
| With hydrogen at 90℃; under 7500.75 Torr; for 1.41667h; pH=7.5 - 8.5; Temperature; Pressure; Reagent/catalyst; Autoclave; |
| Conditions | Yield |
|---|---|
| With sulfuric acid bei der elektrolytischen Reduktion; | |
| With hydrogenchloride; tin(ll) chloride | |
| With hydrogen bromide; stannic bromide |
- 618-06-4
m-sulfanilic acid diazonium salt
- 138-30-7
3-hydrazino-benzenesulfonic acid
A
- 71236-06-1
3-azido-benzenesulfonic acid
B
- 121-47-1
3-aminobenzenesulfonic acid
| Conditions | Yield |
|---|---|
| With water |
| Conditions | Yield |
|---|---|
| With sulfuric acid; hydroxylamine sulfate; iron(II) sulfate at 100 - 175℃; |
- 88-21-1
2-amino-1-benzenesulfonic acid
A
- 121-47-1
3-aminobenzenesulfonic acid
B
- 121-57-3
4-aminobenzene sulfonic acid
| Conditions | Yield |
|---|---|
| With sulfuric acid at 180℃; Title compound not separated from byproducts; | |
| With sulfuric acid; acetic acid at 180℃; Rate constant; Thermodynamic data; Kinetics; reaction with mercuric sulfate, var. conc. of sulfuric acid; Ea; | |
| With sulfuric acid; mercury(II) sulfate at 190℃; for 25h; Product distribution; Kinetics; Thermodynamic data; other time, other temp., other conc. of sulfuric acid, other conc. of HgSO4; |
Metanilic acid Consensus Reports
Metanilic acid Specification
The Metanilic acid is an organic compound with the formula C6H7NO3S. The IUPAC name of this chemical is 3-aminobenzenesulfonic acid. With the CAS registry number 121-47-1, it is also named as benzenesulfonic acid, 3-amino-. The product's categories are Intermediates of Dyes and Pigments; Inorganic & Organic Chemicals. Besides, it is a white powder, which should be stored in a dark and closed place. It is used as dye intermediates, which is for the preparation of acid and reactive dye.
Physical properties about Metanilic acid are: (1)/LogP: -1.06; (2)ACD/LogD (pH 5.5): -4.48; (3)ACD/LogD (pH 7.4): -4.56; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 1; (7)ACD/KOC (pH 7.4): 1; (8)#H bond acceptors: 4; (9)#H bond donors: 3; (10)#Freely Rotating Bonds: 2; (11)Polar Surface Area: 54.99 Å2; (12)Index of Refraction: 1.629; (13)Molar Refractivity: 40.71 cm3; (14)Molar Volume: 114.4 cm3; (15)Polarizability: 16.14×10-24cm3; (16)Surface Tension: 67.5 dyne/cm; (17)Density: 1.512 g/cm3.
Preparation: this chemical can be prepared by nitrobenzene through sulfonation, reduction and acid analysis.
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Uses of Metanilic acid : it can be used to produce CN3O6(1-)*Cs(1+) and dicesium salt of N-nitrometanilic acid at temperature of 25 °C. It will need reagent cesium hydroxide 30 hours. The yield is about 87%.
When you are using this chemical, please be cautious about it as the following:
It is harmful by inhalation, in contact with skin and if swallowed. After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer). When you are using it, avoid contact with eyes and do not breathe gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer).
You can still convert the following datas into molecular structure:
(1)SMILES: O=S(=O)(O)c1cccc(N)c1
(2)InChI: InChI=1/C6H7NO3S/c7-5-2-1-3-6(4-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)
(3)InChIKey: ZAJAQTYSTDTMCU-UHFFFAOYAN
(4)Std. InChI: InChI=1S/C6H7NO3S/c7-5-2-1-3-6(4-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)
(5)Std. InChIKey: ZAJAQTYSTDTMCU-UHFFFAOYSA-N
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