But-3-yn-1-amine

Synonym(s):3-Butyn-1-amine;3-Butynylamine;4-Amino-1-butyne

1-Amino-3-butyne, a bifunctional linker can be used:

In Buchwald–Hartwig amination reaction of 1,2,3,4-tetrahydroacridine trifluoromethanesulfonate derivative.
As a reagent to synthesize dialkynylamides from diacids.
For the post-polymerization modification of poly(2-alkyl/aryl-2-oxazoline)s (PAOx) polymer by amidation of its methyl ester side chains.
As a crosslinker which can bind with resin as well as nanocrystalline cellulose to facilitate the terminal alkyne group for further functionalizations.

Signal word	Danger
Pictogram(s)	Flame Flammables GHS02 Corrosion Corrosives GHS05 Exclamation Mark Irritant GHS07
GHS Hazard Statements	H225:Flammable liquids H302:Acute toxicity,oral H314:Skin corrosion/irritation
Precautionary Statement Codes	P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.