2,3,5,6-Tetrachloroisonicotinic acid

Modify Date: 2026-07-06 22:08:23

2,3,5,6-Tetrachloroisonicotinic acid Structure
2,3,5,6-Tetrachloroisonicotinic acid structure
Common Name 2,3,5,6-Tetrachloroisonicotinic acid
CAS Number 19340-26-2 Molecular Weight 260.890
Density 1.8±0.1 g/cm3 Boiling Point 426.7±40.0 °C at 760 mmHg
Molecular Formula C6HCl4NO2 Melting Point N/A
MSDS N/A Flash Point 211.9±27.3 °C

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 2,3,5,6-Tetrachloropyridine-4-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.8±0.1 g/cm3
Boiling Point 426.7±40.0 °C at 760 mmHg
Molecular Formula C6HCl4NO2
Molecular Weight 260.890
Flash Point 211.9±27.3 °C
Exact Mass 258.876129
PSA 50.19000
LogP 3.12
Vapour Pressure 0.0±1.1 mmHg at 25°C
Index of Refraction 1.630
InChIKey FNZSPKURESXAII-UHFFFAOYSA-N
SMILES O=C(O)c1c(Cl)c(Cl)nc(Cl)c1Cl

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

HS Code 2933399090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

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2,3,5,6-Tetrachloroisonicotinic acid Structure

2,3,5,6-Tetrach...

CAS#:19340-26-2

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Literature: Sell; Dootson Journal of the Chemical Society, 1897 , vol. 71, p. 1082 Journal of the Chemical Society, 1898 , vol. 73, p. 441

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  1

DownStream  2

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2933399090
Summary 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

tetrachloroisonicotic acid
tetrachloro-isonicotinic acid
4-Pyridinecarboxylicacid,2,3,5,6-tetrachloro
2,3,5,6-Tetrachloroisonicotinic acid
2,3,5,6-Tetrachlor-pyridin-4-carbonsaeure
2,3,5,6-Tetrachlor-pyridin-carbonsaeure-(4)
2,3,5,6-Tetrachlorisonicotinsaeure
Tetrachlor-isonicotinsaeure
Isonicotinicacid,tetrachloro-(8CI)

 2,3,5,6-Tetrachloroisonicotinic acid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the LogP of 2,3,5,6-Tetrachloropyridine-4-carboxylic acid?
A: LogP of 2,3,5,6-Tetrachloropyridine-4-carboxylic acid is 3.12.
Q: What is the SMILES notation of 2,3,5,6-Tetrachloropyridine-4-carboxylic acid?
A: SMILES notation of 2,3,5,6-Tetrachloropyridine-4-carboxylic acid is O=C(O)c1c(Cl)c(Cl)nc(Cl)c1Cl.
Q: What is the molecular weight of 2,3,5,6-Tetrachloropyridine-4-carboxylic acid?
A: Molecular weight of 2,3,5,6-Tetrachloropyridine-4-carboxylic acid is 260.890.
Q: What is the molecular formula of 2,3,5,6-Tetrachloropyridine-4-carboxylic acid?
A: Molecular formula of 2,3,5,6-Tetrachloropyridine-4-carboxylic acid is C6HCl4NO2.
Q: What is the InChIKey of 2,3,5,6-Tetrachloropyridine-4-carboxylic acid?
A: InChIKey of 2,3,5,6-Tetrachloropyridine-4-carboxylic acid is FNZSPKURESXAII-UHFFFAOYSA-N.
Q: What English synonyms does 2,3,5,6-Tetrachloropyridine-4-carboxylic acid have?
A: English synonyms of 2,3,5,6-Tetrachloropyridine-4-carboxylic acid: tetrachloroisonicotic acid, tetrachloro-isonicotinic acid, 4-Pyridinecarboxylicacid,2,3,5,6-tetrachloro, 2,3,5,6-Tetrachloroisonicotinic acid, 2,3,5,6-Tetrachlor-pyridin-4-carbonsaeure, 2,3,5,6-Tetrachlor-pyridin-carbonsaeure-(4), 2,3,5,6-Tetrachlorisonicotinsaeure, Tetrachlor-isonicotinsaeure, Isonicotinicacid,tetrachloro-(8CI).
Q: What is the polar surface area (PSA) of 2,3,5,6-Tetrachloropyridine-4-carboxylic acid?
A: Polar surface area (PSA) of 2,3,5,6-Tetrachloropyridine-4-carboxylic acid is 50.19000.
Q: What are the upstream materials of 2,3,5,6-Tetrachloropyridine-4-carboxylic acid?
A: Related upstream materials(CAS) of 2,3,5,6-Tetrachloropyridine-4-carboxylic acid: 84660-84-4.
Q: What is the English name of 2,3,5,6-Tetrachloropyridine-4-carboxylic acid?
A: The English name of 2,3,5,6-Tetrachloropyridine-4-carboxylic acid is 2,3,5,6-Tetrachloropyridine-4-carboxylic acid.
Q: What are the downstream products of 2,3,5,6-Tetrachloropyridine-4-carboxylic acid?
A: Related downstream products(CAS) of 2,3,5,6-Tetrachloropyridine-4-carboxylic acid: 2402-79-1;2176-62-7.

 2,3,5,6-Tetrachloroisonicotinic acidfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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