Crystal Violet Lactone (CVL) CAS 1552-42-7

1.Product Name:Crystal violet lactone(CVL )
Chemical name:
3,3-bis-(4-dimethylaminophenyl)-6-dimethylaminophthalide
CAS RN: 1552-42-7
EINECS:216-293-5
Molecular formula: C26H29N3O2
Molecular weight:415.5274
Melting point:180-183ºC
Water solubility:<0.1 g/100 mL at 22.5ºC
Appearance: Pale yellow or white powder
2.Crystal violet lactone(CVL )Functions:
CVL is a good thermal and pressure sensitive dye which has the following advantages:discoloration fast and high chromaticity and oil-soluble, widely used in the commercial invoice, computer output terminal summons,information records,etc.
3.Crystal violet lactone(CVL )Workshop:
General dye is colored conjugated system in addition to the CVL. CVL can be used as a thermal and pressure sensitive dye, its conjugated system is interrupted. So CVL has no color. But it will be colored with the effect of chromogenic agent. Under acid condition, CVL will show violet color(bright, high concentrations).
CVL is an important functional dye in the production of pressure-sensitive materials or heat sensitive materials.Company Information
We are Qingdao Jieruixin Int'l Trading Co., Ltd.,which company is mainly working onpaper coating machine,paper making machineand related technology. Through more than 10 years effort ,Besides the machine self ,we have our own chemist and prefer to supplychemical ,formulation ,technology and other suggestionto customers.Then our formulation will match our machines ,and get the best quality paper for them.NowOurcompanyhad been one of the famous paper coating machine manufacturer in Chinaandour coating machine and technology had been exported to Iran ,Egypt ,Mexico ,Australia , India and etc.
Our Services:
♦.Reasonable suggestions for selection of equipment.
♦.Provide detailed description and assembly drawing, to make you more aware of the device's ability to work.
♦.Engineers on-site equipment installation and commissioning.
♦.Train and teach your worker to operate the paper machine,
♦. Professional technical guidance and technical support during your production, make sure the device's work properly and production.
♦.Equipmentmodificationandupdating.
♦. We will testing installation machine in the factory workshop , to ensure safety and quality.
♦.SupplyCarbonless paper and Papercoatingchemicals,formulation ,technology and other suggestionto customers.
♦.After-sales service for one year: equipment maintenance guidance.
♦.ProvideTurnkey projects.More products
⇓These are our mainpaper coating machineas follows, any other requirments, please feel free to contact with us. We acceptcustomized productsat the basis of complying with the requirements of technical specification. Very glad and look forward to your inquiry.
Engineerisavailableforexportingmachineinstallingandtestingrunning,andsupplythetechnicalsupportforcustomerworkertraining.Our serve:Your satisfaction is our service purpose1Reasonable suggestions for selection of equipment 2Professional product's design to meet your equipment needs. 3Provide detailed configuration of the equipment instruction and equipment assembly drawings, to make you more aware of the device's ability to work. 4Transportation Service. 5Engineers on-site equipment installation and commissioning 6Provide training for your employees 7Professional technical guidance and technical support during your production, make sure the device's function properly 8Equipment upgrade & remould 9Engineer can go to your factory when you need10Guidance of maintenance for equipments