6-氯间-甲苯胺-4-磺酸
5-amino-2-chlorotoluene-4-sulphonic acid
CAS: 88-53-9
Molecular Formula: C7H8ClNO3S
6-氯间-甲苯胺-4-磺酸 - Names and Identifiers
| Name | 5-amino-2-chlorotoluene-4-sulphonic acid |
| Synonyms | CLT CLT ACID LAKE RED C AMINE 5-AMINO-2-CHLORO-4-SULFOTOLUENE 6-CHLORO-3-TOLUIDINE-4-SULFONIC ACID 4-CHLORO-M-TOLUIDINE-6-SULFONIC ACID 5-AMINO-2-CHLOROTOLUENE-4-SULFONIC ACID 5-Amino-2-chlorotoluene-4-sulfonic acid 4-CHLORO-5-METHYLANILINE-2-SULFONIC ACID 6-CHLORO-3-AMINO TOLUENE-4-SULFONIC ACID 2-amino-5-chlorotoluene-4-sulphonic acid 5-amino-2-chlorotoluene-4-sulphonic acid 2-Amino-5-Chloro-4-Methylbenzenesulfonic Acid |
| CAS | 88-53-9 |
| EINECS | 201-839-7 |
| InChI | InChI=1/C7H8ClNO3S/c1-4-2-6(9)7(3-5(4)8)13(10,11)12/h2-3H,9H2,1H3,(H,10,11,12) |
6-氯间-甲苯胺-4-磺酸 - Physico-chemical Properties
| Molecular Formula | C7H8ClNO3S |
| Molar Mass | 221.66 |
| Density | 1.553±0.06 g/cm3(Predicted) |
| Water Solubility | Practically insoluble in water |
| Appearance | Powder |
| Color | White to Light yellow to Light orange |
| pKa | -1.59±0.50(Predicted) |
| Storage Condition | Room Temprature |
| Physical and Chemical Properties | White crystals. |
| Use | As an intermediate for the dye golden red C |
6-氯间-甲苯胺-4-磺酸 - Risk and Safety
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| 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. |
| RTECS | DB4807000 |
6-氯间-甲苯胺-4-磺酸 - Nature
Open Data Verified Data
white crystals.
Last Update：2024-01-02 23:10:35
6-氯间-甲苯胺-4-磺酸 - Preparation Method
Open Data Verified Data
with toluene as raw material, by sulfonation, chlorination, nitration, salting out, reduction, finally by pressure filtration, drying to get the finished product.
Last Update：2022-01-01 10:55:37
6-氯间-甲苯胺-4-磺酸 - Use
Open Data Verified Data
dye intermediates, used in the manufacture of Red Lake C, lisol red IG; Widely used in the preparation of ink.
Last Update：2022-01-01 10:55:37
6-氯间-甲苯胺-4-磺酸 - Safety
Open Data Verified Data
- toxic. For protection, see 4-chloroaniline-3-sulfonic acid.
- the use of plastic bags lined with wood or iron drum packaging. Store in a cool, ventilated, dry place, heat, moisture. According to the provisions of the storage and transportation of toxic chemicals.
Last Update：2022-01-01 10:55:37
6-氯间-甲苯胺-4-磺酸 - Reference Information
| LogP | -0.83 at 23℃ and pH2.6-2.7 |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | used as an intermediate of the dye golden red C dye intermediate, used in the production of Red Lake C linsol Red 2G, etc. |
| production method | nitration of 3-chloro-4-toluenesulfonic acid with nitric acid below 30 °c, after reaction for 3H, 2-nitro-5-chloro-p-toluenesulfonic acid was obtained by salting out with saturated brine at 100 ℃: 2-nitro-5-chloro-p-toluenesulfonic acid was added into water, acetic acid and iron powder were added, reduction under boiling conditions. The reaction was filtered to remove iron powder, and hydrochloric acid was added to make the filtrate acidic to crystallize 2-amino-5-chloro-p-toluenesulfonic acid. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 20:52:54
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View History
6-氯间-甲苯胺-4-磺酸
Zinc fluorosilicate
RARECHEM AK PT F114
3-氟-2-吡啶甲醛
反式-4-氨基环己羧酸盐酸盐
硫酸羟氯喹杂质34
ACID BLACK
甲基丙烯酸丁酯(含稳定剂氢醌)
Butanoic acid, 3-[(1,1-dimethylethyl)dioxy]-3-methoxy-, ethyl ester
118469-11-7
Zinc fluorosilicate
RARECHEM AK PT F114
3-氟-2-吡啶甲醛
反式-4-氨基环己羧酸盐酸盐
硫酸羟氯喹杂质34
ACID BLACK
甲基丙烯酸丁酯(含稳定剂氢醌)
Butanoic acid, 3-[(1,1-dimethylethyl)dioxy]-3-methoxy-, ethyl ester
118469-11-7