4-Aminotoluene-3-sulfonic acid
6-Amino-m-toluenesulfonic acid
CAS: 88-44-8
Molecular Formula: C7H9NO3S
4-Aminotoluene-3-sulfonic acid - Names and Identifiers
| Name | 6-Amino-m-toluenesulfonic acid |
| Synonyms | PTMS PTMSA 4B acid p-Toluidine-2-sulfonicscid P-TOLUIDINE-2-SULFONIC ACID P-TOLUIDINE-M-SULFONIC ACID 6-amino-m-toluenesulfonicaci 6-Amino-m-toluenesulfonic acid 4-Aminotoluene-3-sulfonic acid p-Methylaniline-2-sulfonicaicd kyselina4-toluidin-3-sulfonova 4-aminotoluene-3-sulphonic acid 2-amino-5-methylbenzenesulfonate 2-Amino-5-methylbenzenesulfonic acid |
| CAS | 88-44-8 |
| EINECS | 201-831-3 |
| InChI | InChI=1/C7H9NO3S/c1-5-2-3-6(8)7(4-5)12(9,10)11/h2-4H,8H2,1H3,(H,9,10,11)/p-1 |
4-Aminotoluene-3-sulfonic acid - Physico-chemical Properties
| Molecular Formula | C7H9NO3S | |||
| Molar Mass | 187.22 | |||
| Density | 1.431 | |||
| Melting Point | 300 °C | |||
| Boling Point | 500°C (rough estimate) | |||
| Water Solubility | 32g/L(19 ºC) | |||
| Solubility | water: soluble6g/L at 20°C | |||
| Appearance | Light brown crystal | |||
| Color | White to Light red to Green | |||
| BRN | 2211509 | |||
| pKa | -1.35±0.42(Predicted) | |||
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature | |||
| Refractive Index | 1.6100 (estimate) | |||
| MDL | MFCD00007908 | |||
| Physical and Chemical Properties | The appearance was white crystals.
| |||
| Use | Mainly used for the production of pigment C.I .57:1 is an important intermediate of organic pigment, can be synthesized pigment brilliant red 6B, lisol red BK, etc. |
4-Aminotoluene-3-sulfonic acid - Risk and Safety
| Risk Codes | R45 - May cause cancer R34 - Causes burns R36 - Irritating to the eyes |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S27 - Take off immediately all contaminated clothing. S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S28A - |
| UN IDs | UN 2585 8/PG 3 |
| WGK Germany | 2 |
| RTECS | XT6320000 |
| TSCA | Yes |
| HS Code | 29214300 |
| Hazard Class | 8 |
| Packing Group | III |
4-Aminotoluene-3-sulfonic acid - Upstream Downstream Industry
| Raw Materials | p-Toluidine p-Toluidine Sulfuric acid |
4-Aminotoluene-3-sulfonic acid - Introduction
Dissolved in 214 parts of water at 20 ℃. At 130 ℃, it decomposes in water, and the addition of copper dioxide to the aqueous solution is red. Solubility in water: 0.47%, insoluble in alcohol and ether.
Last Update：2022-10-16 17:29:34
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View History
4-Aminotoluene-3-sulfonic acid
1,2,4-Trimethylbenzene
PL-7
1670-17-3
1314988-11-8
2-Chloro-N-(2-chlorethyl)-ethanamine, Hydrochloride
12065-36-0
7-Methoxy-9-methylfuro[2,3-b]-quinoline-4,5,8(9H)-trione
1286274-54-1
338394-43-7
1,2,4-Trimethylbenzene
PL-7
1670-17-3
1314988-11-8
2-Chloro-N-(2-chlorethyl)-ethanamine, Hydrochloride
12065-36-0
7-Methoxy-9-methylfuro[2,3-b]-quinoline-4,5,8(9H)-trione
1286274-54-1
338394-43-7
Raw Materials for 4-Aminotoluene-3-sulfonic acid