6-CHLORO-3-TOLUIDINE-4-SULFONIC ACID
5-amino-2-chlorotoluene-4-sulphonic acid
CAS: 88-53-9
Molecular Formula: C7H8ClNO3S
6-CHLORO-3-TOLUIDINE-4-SULFONIC ACID - 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-CHLORO-3-TOLUIDINE-4-SULFONIC ACID - 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-CHLORO-3-TOLUIDINE-4-SULFONIC ACID - 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-CHLORO-3-TOLUIDINE-4-SULFONIC ACID - Nature
Open Data Verified Data
white crystals.
Last Update：2024-01-02 23:10:35
6-CHLORO-3-TOLUIDINE-4-SULFONIC ACID - 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-CHLORO-3-TOLUIDINE-4-SULFONIC ACID - 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-CHLORO-3-TOLUIDINE-4-SULFONIC ACID - 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-CHLORO-3-TOLUIDINE-4-SULFONIC ACID - 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-CHLORO-3-TOLUIDINE-4-SULFONIC ACID
三氟-碘甲烷
2-溴-4-甲基-5-咪唑甲酸乙酯
无水氯化钴(Ⅱ)
4-氟-2-邻甲氧基苯胺
(-)-2,2′-二羟基-1,1′-联萘
(1-乙基丙基)苯(3-苯基戊烷)
5-甲基-1,2-恶唑-3-甲酰氯
2-乙基己基4-氨基苯甲酸酯
帕罗韦德杂质14
三氟-碘甲烷
2-溴-4-甲基-5-咪唑甲酸乙酯
无水氯化钴(Ⅱ)
4-氟-2-邻甲氧基苯胺
(-)-2,2′-二羟基-1,1′-联萘
(1-乙基丙基)苯(3-苯基戊烷)
5-甲基-1,2-恶唑-3-甲酰氯
2-乙基己基4-氨基苯甲酸酯
帕罗韦德杂质14