Technical parameters of arsenazo initiator VAZO56

English name: AAPH; AIBA; 2,2'-Azobis(2-methylpropionamidine) dihydrochloride; 2,2-Azobis(2-amidinopropane) dihydrochloride; 2,2-Azobis(isobutyramidine) dihydrochloride Other names: 2,2-azo Bis(2-methylpropylimidate) di-salt; 2,2-azobisisobutylphosphonium diphosphate; azobis(2aminopropionamidine) salt; azobisisobutylphosphonium salt; arsenazo Initiator VAZO56CAS No.: 2997-92-4C8H18N6?2HCl=271.19 Grade: High purity grade Content: ≥98.0% (HPLC) Melting point: 170～175°C Activation energy: 124KJ/mol trait: white or yellowish powder or crystal, easy Soluble in water, methanol, acid aqueous solution; insoluble, insoluble in organic solvents, is a water-soluble initiator, does not contain cyano groups, 10h half-life decomposition temperature: 56 ° C (in water) Use: biochemical research. An intermediate for the synthesis of chemicals such as pharmaceuticals and dyes. Used as an initiator for polymer cationic polymers, such as polymerization of acrylamide, polymerization of acrylic acid and its derivatives, etc.; storage of acrylic acid, vinyl, allyl monomer polymerization initiator: RT, protected from light

Leather Office Chair

It have PU leather , bonded leather or Genuine leather are available.

Different leather quality will be different cost for the chair. Genunie leather is most highest leather cost, boned leather that quality also be fine and suitable cost of consumers. PU leather is lowest cost but quality is just OK. Finally it depends on consumers` requirment and taste.

Hollin leather Office Chair series have different chose for you,

Smooth, supple, black bonded leather takes the chair to the next level of comfort. The black bonded leather upholstery covers both the padded seat of the chair, as well as its solid, square-shaped, gently contoured padded back. Black, curved, textured nylon armrests offer added support and comfort.

Pu Chair,Leather Chair,Task Chair,Faux Leather Office Chair

Foshan Hollin Furniture Co.,Ltd , https://www.china-hollin.com