Name | 2-Methyl-5-amino benzene sulfonic acid |
Synonyms | 4-METHYL-3-SULFOANILINE p-Methylaniline-3-sulfonicac 5-AMINO-O-TOLUENESULFONIC ACID 4-Aminotoluene-2-sulfonic acid 5-AMINO-2-METHYL-1-SULFOBENZENE 4-METHYLANILINE-3-SULFONIC ACID 5-amino-2-methylbenzenesulfonate 5-amino-2-methyl-benzenesulfonicaci 5-AMINO-2-METHYLBENZENESULFONIC ACID 5-Amino-2-methylbenzenesulfonic acid 2-Methyl-5-amino benzene sulfonic acid 5-AMINO-2-METHYLBENZENE-1-SULFONIC ACID |
CAS | 118-88-7 |
EINECS | 204-282-8 |
InChI | InChI=1/C7H9NO3S/c1-5-2-3-6(8)4-7(5)12(9,10)11/h2-4H,8H2,1H3,(H,9,10,11)/p-1 |
Molecular Formula | C7H9NO3S |
Molar Mass | 187.22 |
Density | 1.3553 (rough estimate) |
Melting Point | 200°C |
Boling Point | 500°C (rough estimate) |
Solubility | Aqueous Acid (Slightly, Heated, Sonicated), Aqueous Base (Slightly, Sonicated) |
Appearance | Solid |
Color | Off-White to Pale Yellow |
pKa | -1.11±0.42(Predicted) |
Storage Condition | -20°C Freezer, Under inert atmosphere |
Sensitive | Hygroscopic |
Refractive Index | 1.6100 (estimate) |
MDL | MFCD00007911 |
Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R34 - Causes burns |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
UN IDs | 2585 |
TSCA | Yes |
Hazard Class | 8 |
Packing Group | III |
Raw Materials | p-Toluidine |
use | additives and blue phase regulators for synthetic pigment red 57# |
EPA chemical information | information provided by: ofmpub.epa.gov (external link) |