4-chloro-2-methyl-1-nitrobenzene
5-Chloro-2-nitrotoluene
CAS: 5367-28-2
Molecular Formula: C7H6ClNO2
4-chloro-2-methyl-1-nitrobenzene - Names and Identifiers
4-chloro-2-methyl-1-nitrobenzene - Physico-chemical Properties
| Molecular Formula | C7H6ClNO2 |
| Molar Mass | 171.58 |
| Density | 1.32 |
| Melting Point | 27-30 °C (lit.) |
| Boling Point | 124-126 °C (16 mmHg) |
| Flash Point | 202°F |
| Water Solubility | insoluble |
| Vapor Presure | 0.0372mmHg at 25°C |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.57-1.572 |
4-chloro-2-methyl-1-nitrobenzene - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36 - Irritating to the eyes R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 3457 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | XS9134000 |
| HS Code | 29049090 |
| Hazard Class | 6.1 |
| Packing Group | III |
4-chloro-2-methyl-1-nitrobenzene - Reference Information
| Introduction | 5-chloro-2-nitrotoluene is a hydrocarbon derivative, it can be used for the preparation of 6-chloro-3-aminotoluane-4-sulfonic acid. 6-chloro-3-aminotoluene-4-sulfonic acid is an important intermediate for the synthesis of red organic pigment C.I. Pigment Red 52 and C.I. Pigment Red 53 (Golden Red C). |
| Application | 5-chloro-2-nitrotoluene is an organic intermediate that can be obtained from O-chlorotoluene after nitration. |
| preparation | to a 77.1 ml four-mouth bottle, add 1.2g (98% mol) of nitric acid, 20g of acidic beta zeolite, 130.45g of 97% acetic anhydride was added dropwise at 10 ℃ with stirring, and the reaction was continued for 0.5h. 127.88g(1.0mol) of 99% o-chlorotoluene was added dropwise at 20-25 ℃ within 1h, after the completion of the drop, the reaction was carried out at 25 °c for 30min, and then heated to 50 °c for 5H. After completion of the reaction, it was filtered while hot, and the filter cake was washed with acetic acid for 2-3 times until the filtrate was almost colorless. The filtrate and the washing liquid were combined to remove acetic acid by distillation under reduced pressure, and the weight of the nitrifying liquid was 168.2g. |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
Last Update：2024-04-10 22:29:15
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