CAS 1682-20-8|2,3,5,6-Tetrafluoro-4-pyridinamine

Introduction：Basic information about CAS 1682-20-8|2,3,5,6-Tetrafluoro-4-pyridinamine, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Articles1
6. Synonyms

Common Name	2,3,5,6-Tetrafluoro-4-pyridinamine
CAS Number	1682-20-8	Molecular Weight	166.076
Density	1.6±0.1 g/cm3	Boiling Point	208.3±35.0 °C at 760 mmHg
Molecular Formula	C₅H₂F₄N₂	Melting Point	85-87 °C(lit.)
MSDS	ChineseUSA	Flash Point	79.8±25.9 °C
Symbol	GHS07	Signal Word	Warning

Names

Name	4-amino-2,3,5,6-tetrafluoropyridine
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.6±0.1 g/cm3
Boiling Point	208.3±35.0 °C at 760 mmHg
Melting Point	85-87 °C(lit.)
Molecular Formula	C₅H₂F₄N₂
Molecular Weight	166.076
Flash Point	79.8±25.9 °C
Exact Mass	166.015411
PSA	38.91000
LogP	1.96
Vapour Pressure	0.2±0.4 mmHg at 25°C
Index of Refraction	1.473
InChIKey	PLVFNMQHMRRBAA-UHFFFAOYSA-N
SMILES	Nc1c(F)c(F)nc(F)c1F

Safety Information

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302 + H312 + H332-H315-H319-H335
Precautionary Statements	P261-P280-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi: Irritant;
Risk Phrases	R20/21/22;R36/37/38
Safety Phrases	S26-S36
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2933399090

Customs

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%

Articles1

Studies in azide chemistry. Part V. Synthesis of 4-azido-2, 3, 5, 6-tetrafluoro-, 4-azido-3-chloro-2, 5, 6-trifluoro-, and 4-azido-3, 5-dichloro-2, 6-difluoro-pyridine, and some thermal reactions of the tetrafluoro-compound. Banks RE and Sparkes GR.

J. Chem. Soc. Perkin Trans. I , 2964-70, (1972)

Synonyms

MFCD00010855

4-Pyridinamine, 2,3,5,6-tetrafluoro-

2,3,5,6-Tetrafluoro-4-pyridinamine

4-Amino-2,3,5,6-tetrafluoropyridine

2,3,5,6-tetrafluoropyridin-4-amine

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