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VA-061, Azo Initiator

Wako 1st Grade
Specification Assay :
97.0+% (Gas Analysis)
Manufacturer :
FUJIFILM Wako Pure Chemical Corporation
Storage Condition :
FREEZE -20 C
CAS RN® :
20858-12-2
Molecular Formula :
C12H22N6
Molecular Weight :
250.35
GHS :
  • Structural Formula
  • Label
  • Packing
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Certificate of Analysis
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LB-VA061-50GS
50 G
List Price
80.00 USD

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Spectral Data
Certificate of Analysis
Calibration Certificate

Applications

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Plastics manufacturing
Photocurable


VA-061 is the free base of VA-044 and VA-046B, which are water-soluble azo polymerization initiators. By forming salts with different organic acids, the product dissolves in water, creating a highly effective initiator for polymerization of water-soluble vinyl monomers.

  • Non-nitrile azo initiator
  • Soluble in acidic aqueous solution, the potential for aqueous polymerization of non-halogen using organic acid like acetic acid.
  • 10 Hour half-life decomposition temperature; 61℃(at about 45℃ in acidic aqueous solution)

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References

  1. Morimoto, N., Takei, R., Wakamura, M., Oishi, Y., Nakayama, M., Suzuki, M., Yamamoto, M., and Winnik, F. M.: Fast and Effective Mitochondrial Delivery of ω-Rhodamine-B-polysulfobetaine-PEG Copolymers. Sci Rep, 8, 1128 (2018). PMID: 29348616
  2. Ishizu, K., Toyoda, K., Furukawa, T., and Uchida, S.: Architecture and Solution Properties of Amphiphilic Polymer Brushes with Peripheral Charge Ions. J Colloid Interface Sci, 261, 552-8 (2003). PMID: 16256568
  3. Nambu, H., Hata, K., Matsugi, M., and Kita, Y.: The Direct Synthesis of Thioesters Using an Intermolecular Radical Reaction of Aldehydes With Dipentafluorophenyl Disulfide in Water. Chem Commun (Camb), 10, 1082-3 (2002). PMID: 12122675
  4. Kita, Y., Nambu, H., Ramesh, N. G., Anilkumar, G., and Matsugi, M.: A Novel and Efficient Methodology for the C-C Bond Forming Radical Cyclization of Hydrophobic Substrates in Water". Org Lett., 3, 1157-60 (2001). PMID: 11348183

Overview / Applications

Outline VA-061 is the free base of VA-044 and VA-046B, which are water-soluble azo polymerization initiators.
By forming salts with different organic acids, the product dissolves in water, creating a highly effective initiator for polymerization of water-soluble vinyl monomers.

Property

Appearance slightly yellowish white, crystalline powder
Specificity 10-hour half life temperature: 61 ºC (Methanol)
Solubility water: practically insoluble.
methanol: soluble. Ethanol, chloroform: slightly soluble.
toluene: insoluble.
*Acid: Soluble.
Melting Point 115-125 °C

Manufacturer Information

Alias

  • 2,2'-Azobis[2-(2-imidazolin-2-yl)propane]

Author : [WKUS] Naomi Tsurutani

For research use or further manufacturing use only. Not for use in diagnostic procedures.

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