CAS No.1682-20-8,4-Amino-2,3,5,6-tetrafluoropyridine Suppliers,MSDS download

Products Categories

Pharmaceutical (28)
Organic Chemicals (15)
Others (3)
Reagent (2)
Materials (1)

Basic Information

CAS No.:

1682-20-8

Name:

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

Article Data:

Molecular Structure:

Formula:

C₅H₂F₄N₂

Molecular Weight:

166.078

Synonyms:

2,3,5,6-tetrafluoropyridin-4-amine;2,3,5,6-tetrafluoro-pyridin-4-ylamine;

Density:

1.631g/cm³

Melting Point:

85-87 °C(lit.)

Boiling Point:

208.3°Cat760mmHg

Flash Point:

79.8°C

Appearance:

white to light yellow crystal

Hazard Symbols:

Risk Codes:

R20/21/22;R36/37/38

Safety:

Hazard Codes	Xn,Xi
Risk Statements	20/21/22-36/37/38
Safety Statements	26-36
WGK Germany	3
Hazard Note	Irritant

PSA:

38.91000

LogP:

1.80140

Total:45 Page 1 of 2 1 2 Next>>

Post a RFQ

Cas No.:

Product Name:

Quantity:

Email:

Company name:

Valid Period:

Detailed Requirements:

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

What can I do for you?
Get Best Price

Get Best Price for 1682-20-8

Specification

The 4-Amino-2,3,5,6-tetrafluoropyridine with cas registry number of 1682-20-8, belongs to the following product categories: (1)Pyridine; (2)Heterocyclic Compounds; (3)Fluoropyridines; (4)Halopyridines; (5)C5; (6)Heterocyclic Building Blocks; (7)Pyridines. Its chemical properties is white to light yellow crystal. And it is also called 2,3,5,6-tetrafluoro-pyridin-4-ylamine.

Preparation: this chemical can be prepared by pentafluoro-pyridine. This reaction will need reagent NH3 and solvent dioxane, H2O at temperature of 25 ℃.

Uses of 4-Amino-2,3,5,6-tetrafluoropyridine: it can be used to produce 1-(2,3,5,6-tetrafluoro-pyridin-4-ylazo)-naphthalen-2-ol with naphthalen-2-ol. The reaction time is 3 hour(s) with reaction temperature of 0 ℃. The yield is about 69%.

When you are using this chemical, please be cautious about it as the following:
The 4-Amino-2,3,5,6-tetrafluoropyridine irritates to eyes, respiratory system and skin. When use it, wear suitable protective clothing, gloves and eye/face protection. If contact with eyes, rinse immediately with plenty of water and seek medical advice.
Besides this, 4-Amino-2,3,5,6-tetrafluoropyridine is also harmful by inhalation and if swallowed.