HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 21551819Generated: October 23, 2026
3-Bromo-2,6-dichloropyridine
3-Bromo-2,6-dichL · 3-BROMO-2,6-DICHLOROPYRIDINE · Pyridine, 3-bromo-2,6-dichloro- · 3-BroMo-2,6-dichloropyridine, 98%+ · 3-Bromo-2,6-dichloropyridine ISO 9001：2015 REACH · 3-bromo-2,6-dichloropyridine3-bromo-2,6-dichloropyridine
https://huagongshe.com/en/chemical/21551819
Identifiers & Physical Properties
| CAS No. | 866755-20-6 |
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| Molecular formula | C5H2BrCl2N |
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| Average molar mass | 226.88 g/mol |
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| Monoisotopic mass | 224.87477 g/mol |
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| SMILES | Clc1ccc(Br)c(Cl)n1 |
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| InChIKey | PZHASTRIYXMWKM-UHFFFAOYSA-N |
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| PubChem CID | 21551819 |
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| EC No. | 678-783-9 |
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| DTXSID | DTXSID20615812 |
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Chemical & Physical Properties
| XLogP | 2.8 |
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| Topological polar surface area | 12.9 |
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| Hydrogen bond donors | 0 |
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| Hydrogen bond acceptors | 1 |
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| Rotatable bonds | 0 |
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| Heavy atoms | 9 |
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| Formal charge | 0 |
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| Complexity | 101 |
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| Melting point | 68-71°C |
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| Boiling point | 255.0±35.0 °C(Predicted) |
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| Density | 1.848±0.06 g/cm3(Predicted) |
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| Storage conditions | Storage temp. 2-8°C |
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| Physical state | crystalline solid |
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| pKa (acidity coefficient) | -3.79±0.10(Predicted) |
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| Color | Off-white |
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| GHS pictogram | GHS06 |
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| Signal word | Danger |
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| GHS hazard statements | H302-H312-H315-H319-H331-H335 |
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| GHS precautionary statements | P261-P280-P304+P340-P305+P351+P338-P405-P501a |
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| Hazard symbols | Xi,T |
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| Risk statements (R) | 25-37/38-41 |
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| Safety statements (S) | 26-39-45 |
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| UN transport number | UN2811 |
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| Hazard class | 6.1 |
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| Packing group | III |
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| Customs code | 2933399990 |
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| Limited quantities | 5.0 kg (11 lbs) (solid) |
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| Excepted quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L) |
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Safety & Regulations
| GHS classification | WarningH302 (85.7%): Harmful if swallowed [Warning Acute toxicity, oral]H312 (85.7%): Harmful in contact with skin [Warning Acute toxicity, dermal]H315 (85.7%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (85.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H332 (85.7%): Harmful if inhaled [Warning Acute toxicity, inhalation]H335 (71.4%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 7 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. |
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| Hazard Classes and Categories | Acute Tox. 4 (85.7%)Skin Irrit. 2 (85.7%)Eye Irrit. 2A (85.7%)STOT SE 3 (71.4%) |
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| UN transport number | UN2811 |
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| Customs code | 2933399990 |
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| Risk statements (R) | 25-37/38-41 |
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| Signal word | Danger |
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| GHS pictogram | GHS06 |
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| Hazard symbols | Xi,T |
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| Safety statements (S) | 26-39-45 |
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| Hazard class | 6.1 |
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| Packing group | III |
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| GHS hazard statements | H302-H312-H315-H319-H331-H335 |
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| Limited quantities | 5.0 kg (11 lbs) (solid) |
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| Excepted quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L) |
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| GHS precautionary statements | P261-P280-P304+P340-P305+P351+P338-P405-P501a |
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