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2-Amino-5-methylpyridine
CAS: 1603-41-4;2454-96-8
Molecular Formula: C6H8N2
Description
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2-Amino-5-methylpyridine – Introduction
2454-96-8 – Names and Identifiers
|
Name |
2-Amino-5-methylpyridine |
|
Synonyms |
6-amino-3-picolin |
|
CAS |
1603-41-4 |
|
EINECS |
216-503-5 |
|
InChI |
InChI=1/C6H8N2/c1-5-2-3-6(7)8-4-5/h2-4H,1H3,(H2,7,8)/p+1 |
|
InChIKey |
CMBSSVKZOPZBKW-UHFFFAOYSA-N |
2454-96-8 – Physico-chemical Properties
|
Molecular Formula |
C6H8N2 |
|
Molar Mass |
108.14 |
|
Density |
227 |
|
Melting Point |
76-77°C(lit.) |
|
Boling Point |
227°C(lit.) |
|
Flash Point |
118°C |
|
Solubility |
1000g/l |
|
Vapor Presure |
3.706Pa at 25℃ |
|
Appearance |
White crystal |
|
Color |
White to light yellow |
|
BRN |
107050 |
|
pKa |
pK1: 7.22(+1) (25°C) |
|
Storage Condition |
Keep in dark place,Inert atmosphere,Room temperature |
|
Sensitive |
Hygroscopic |
|
Refractive Index |
1,524-1,528 |
|
MDL |
MFCD00006328 |
|
Physical and Chemical Properties |
character: white or yellowish solid |
2454-96-8 – Risk and Safety
|
Risk Codes |
R23/24/25 – Toxic by inhalation, in contact with skin and if swallowed. |
|
Safety Description |
S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
|
UN IDs |
UN 2811 6.1/PG 2 |
|
WGK Germany |
3 |
|
RTECS |
TJ5141000 |
|
TSCA |
Yes |
|
HS Code |
29333999 |
|
Hazard Note |
Irritant |
|
Hazard Class |
6.1 |
|
Packing Group |
III |
|
Toxicity |
LD50 orl-rat: 200 mg/kg 85JCAE -,841,86 |
2454-96-8 – Reference Information
|
LogP |
1.08 |
|
NIST chemical information |
|
|
EPA chemical information |
|
|
Uses |
2-amino-5-methylpyridine is an intermediate of the insecticides imidacloprid and acetamiprid. |
|
Production method |
The preparation method is to add trimethylamine and 3-methylpyridine-N-oxide to dichloromethane, cool to 5 ℃, add dichloromethane solution of thionyl chloride, stir the liquid, evaporate the solvent to obtain (5-methylpyridine-2-yl) trimethylammonium chloride, and then add bromohydroacid, products can be obtained by cracking at 200~210 ℃. |
|
category |
toxic substances |
|
toxicity classification |
highly toxic |
|
acute toxicity |
oral-rat LD50: 200 mg/kg; Subcutaneous-mouse LD50: 110 mg/kg |
|
flammability hazard characteristics |
combustible; combustion produces toxic nitrogen oxide smoke |
|
storage and transportation characteristics |
warehouse ventilation and low temperature drying |
|
fire extinguishing agent |
dry powder, foam, sand, carbon dioxide, mist water |
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