Basic information
- Name:
Pyridine,2,3,5,6-tetrachloro-
- Superlist Name:
- 2,3,5,6-Tetrachloropyridine
- CAS No.:
2402-79-1
- Molecular Structure:

- Formula:
- C5HCl4N
- Molecular Weight:
- 216.87
- Synonyms:
- NSC 2009;
- EINECS:
- 219-283-9
- Density:
- 1.662 g/cm3
- Melting Point:
- 90.5 °C
- Boiling Point:
- 253.7 °C at 760 mmHg
- Flash Point:
- 131.7 °C
- Hazard Symbols:
Xi- Risk Codes:
- 20/21/22-36/37/38-51/53
- Safety Description:
- 26-36/37/39-60-61-36 Details
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Chemistry
Molecular Formula:C5HCl4N
Molar mass:216.88014g/mol
Structure of 2,3,5,6-Tetrachloropyridine(2402-79-1):
Synonyms of 2,3,5,6-Tetrachloropyridine(2402-79-1):Pyridine, 2,3,5,6-tetrachloro-;Tetrapyridine
Density:1.662 g/cm3
Flash Point:131.7 °C
Boiling Point:253.7 °C at 760 mmHg
Index of Refraction:1.588
Vapour Pressure:0.0288 mmHg at 25°C
Melting point:90.5 °C
Molar mass:216.88014g/mol
Structure of 2,3,5,6-Tetrachloropyridine(2402-79-1):
Synonyms of 2,3,5,6-Tetrachloropyridine(2402-79-1):Pyridine, 2,3,5,6-tetrachloro-;Tetrapyridine
Density:1.662 g/cm3
Flash Point:131.7 °C
Boiling Point:253.7 °C at 760 mmHg
Index of Refraction:1.588
Vapour Pressure:0.0288 mmHg at 25°C
Melting point:90.5 °C
Uses
2,3,5,6-Tetrachloropyridine(2402-79-1) can be used as the intermediate of medicine and pesticide.
2,3,5,6-Tetrachloropyridine(2402-79-1) can be used as the main raw material of synthetic herbicides: picloram,too .
Toxicity Data With Reference
| 1. | ipr-mus LD50:1150 mg/kg | TXAPA9 Toxicology and Applied Pharmacology. 11 (1967),361. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Moderately toxic by intraperitoneal route. When heated to decomposition it emits very toxic fumes of Cl− and NOx.
Hazard Codes:Xi
Risk Statements:
20: Harmful by inhalation
21: Harmful in contact with skin
22: Harmful if swallowed
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
51: Toxic to aquatic organisms
53: May cause long-term adverse effects in the aquatic environment
Safety Statements:
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
37: Wear suitable gloves
39: Wear eye/face protection
60: This material and/or its container must be disposed of as hazardous waste
61: Avoid release to the environment. Refer to special instructions safety data sheet
Hazard Codes:Xi

Risk Statements:
20: Harmful by inhalation
21: Harmful in contact with skin
22: Harmful if swallowed
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
51: Toxic to aquatic organisms
53: May cause long-term adverse effects in the aquatic environment
Safety Statements:
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
37: Wear suitable gloves
39: Wear eye/face protection
60: This material and/or its container must be disposed of as hazardous waste
61: Avoid release to the environment. Refer to special instructions safety data sheet
Specification
Product Categories of 2,3,5,6-Tetrachloropyridine(2402-79-1):Halides;Pyridines;Halopyridines;Chloropyridines;FINE Chemical & INTERMEDIATES

