2-Amino-4-chloro-5-methylbenzenesulfonic acid
- CAS NO.：88-51-7
- Empirical Formula: C7H8ClNO3S
- Molecular Weight: 221.66
- MDL number: MFCD00035771
- EINECS: 201-837-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-04 20:04:50
What is 2-Amino-4-chloro-5-methylbenzenesulfonic acid?
Chemical properties
White to buff powder. Essentially insoluble as free acid; soluble as sodium or ammonium salt.
The Uses of 2-Amino-4-chloro-5-methylbenzenesulfonic acid
2-Amino-4-chloro-5-methylbenzenesulfonic Acid is used in method for preparing environment-friendly organic pigment for agricultural seed coating.
The Uses of 2-Amino-4-chloro-5-methylbenzenesulfonic acid
Intermediate for azo pigments.
Production Methods
The compound is made by baking 3-chloro-4-methyl-benzeneamine hydrogensulfate in vacuo at 195 ℃.
Properties of 2-Amino-4-chloro-5-methylbenzenesulfonic acid
| Melting point: | >300°C |
| Boiling point: | 163°C (rough estimate) |
| Density | 1.3031 (rough estimate) |
| vapor pressure | 0-0Pa at 25℃ |
| refractive index | 1.6210 (estimate) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| solubility | Aqueous Acid (Slightly), DMSO (Slightly) |
| form | Solid |
| pka | -1.58±0.50(Predicted) |
| color | Off-White to Pale Red |
| CAS DataBase Reference | 88-51-7(CAS DataBase Reference) |
| EPA Substance Registry System | Benzenesulfonic acid, 2-amino-4-chloro-5-methyl- (88-51-7) |
Safety information for 2-Amino-4-chloro-5-methylbenzenesulfonic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 2-Amino-4-chloro-5-methylbenzenesulfonic acid
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