Fixed red TR / fixed red naphthalene sulfonic acid TR / fast red / fixed red / fast red TR

English name：Fast red TR ；Fast Red TR Salt 1,5-naphthalenedisulfonate salt；4-Chloro-2-methylbenzenediazonium 1,5-naphthalenedisulphonate；Azoic Diazo No. 11；C.I. 37085

Other names: solid red naphthalene sulfonic acid tr; Fast red; Solid red; Fast red tr; 4-chloro-2-methyldiazobenzene 1,5-naphthalene disulfonate; Hydrochloric acid-4-chloro-2-toluidine; 4-chloro-o-toluidine hydrochloride; Fast red tr salt; Solid red tr diazonium salt

CAS No.: 51503-28-7

C17H13O6N2O6S2Cl=440.88

Grade: high purity grade

Content: ≥ 95.0%

Solubility (2.5%, water): acceptable

Solubility (0.6%, water): acceptable

Absorbance a405nm (0.033%, water): ≤ 0.02

Physicochemical properties: off white or light yellowish brown powder

Purpose: biochemical research. Biological staining

Storage: - 20 ℃