What is Crystal Violet Lactone used for?

Crystal Violet Lactone
Molecular Formula C26H29N3O2
Molecular Weight 415.53
CAS Registry Number 1552-42-7
Melting point 180-183 ºC
Water solubility <0.1 g/100 mL at 22.5 ºC
Crystal violet lactone (CVL) is a leuco dye, a lactone acquired of clear violet 10B. In authentic accompaniment it is a hardly bare apparent powder, acrid in nonpolar or hardly arctic amoebic solvents.
The axial carbon in the leuco anatomy is in a tetraedric configuration, basic four covalent bonds. In acerb ambiance the lactone ring is broken, the axial carbon loses one valence and becomes a resonance counterbalanced carbocation (although it ability be bigger to draw the resonance anatomy with the cation on nitrogen), this collapsed carbon abutting the π systems of the ambrosial rings and the amino anatomic groups to anatomy one ample conjugated arrangement acting as a chromophore with able assimilation in arresting spectrum, giving this admixture its characteristic color.
Crystal Violet Lactone was the aboriginal dye acclimated in carbonless archetype papers, and it is still broadly acclimated in this application. It is aswell the leuco dye basic in some thermochromic dyes, e.g. in the Hypercolor band of clothing. One of its atypical uses is a aegis brand for fuels.
It may could cause allergic acquaintance dermatitis in humans administration the carbonless archetype paper.
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Where to get Crystal Violet Lactone?

Crystal Violet Lactone (CVL) is a leuco dye, a lactone acquired of clear violet 10B. In authentic accompaniment it is a hardly bare apparent powder, acrid in nonpolar or hardly arctic amoebic solvents.
The axial carbon in the leuco anatomy is in a tetraedric configuration, basic four covalent bonds. In acerb ambiance the lactone ring is broken, the axial carbon loses one valence and becomes a resonance counterbalanced carbocation (although it ability be bigger to draw the resonance anatomy with the cation on nitrogen), this collapsed carbon abutting the π systems of the ambrosial rings and the amino anatomic groups to anatomy one ample conjugated arrangement acting as a chromophore with able assimilation in arresting spectrum, giving this admixture its characteristic color.
Crystal Violet Lactone  was the aboriginal dye acclimated in carbonless archetype papers, and it is still broadly acclimated in this application. It is aswell the leuco dye basic in some thermochromic dyes, e.g. in the Hypercolor band of clothing. One of its atypical uses is a aegis brand for fuels.
Crystal Violet Lactone may could cause allergic acquaintance dermatitis in humans administration the carbonless archetype paper.
More about: Crystal Violet Lactone sale
Read more: chemical materials

What is Crystal Violet Lactone?

Crystal Violet Lactone (CVL) is a leuco dye, a lactone derivate of crystal violet 10B. In pure state it is a slightly yellowish crystalline powder, soluble in nonpolar or slightly polar organic solvents.
The central carbon in the leuco form is in a tetraedric configuration, forming four covalent bonds. In acidic environment the lactone ring is broken, the central carbon loses one valence and becomes a resonance stabilized carbocation (although it might be better to draw the resonance structure with the cation on nitrogen), this planar carbon interconnecting the π systems of the aromatic rings and the amino functional groups to form one large conjugated system acting as a chromophore with strong absorption in visible spectrum, giving this compound its distinctive color.
Crystal Violet Lactone was the first dye used in carbonless copy papers, and it is still widely used in this application. It is also the leuco dye component in some thermochromic dyes, e.g. in the Hypercolor line of clothing. One of its novel uses is a security marker for fuels.
It may cause allergic contact dermatitis in people handling the carbonless copy paper.
Crystal Violet Lactone occurs as blue-green crystals or pale green powder with its melting point 180-183°C. It is soluble in nonpolar or slightly polar organic solvents,insoluble in water.Crystal violet lactone may be sensitive to excessive light and heat. Crystal violet lactone (CVL) is a leuco dye, a lactone derivate of crystal violet 10B.It was the first dye used in carbonless copy papers, and it is still widely used in this application. It is also the leuco dye component in some thermochromic dyes, eg. in the Hypercolor line of clothing. One of its novel uses is a security marker for fuels.
More about: Crystal Violet Lactone sale
Read more: chemical materials