3-Butyl-2-[5-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-1,3-pentadienyl]-1,1-dimethyl-1H-benz[e]indolium tetrafluoroborate(1-)

3-丁基-2-[5-(1,3-二氢-1,3,3-三甲基-2H-吲哚-2-亚基)-1,3-戊二烯基]-1,1-二甲基-1H-苯并[e]吲哚鎓四氟硼酸盐

Also known as: 4,5 BENZO-1-BUTYL-1',3,3,3',3'-PENTA-METHYLINDADICARBOCYANINE TETRAFLUOROBORATE, 4,5 BENZO-1-BUTYL-1',3,3,3',3'-PENTA-METHYLINDAD, 3-Butyl-2-[5-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-1,3-pentadienyl]-1,1-dimethyl-1H-benz[e]indolium tetrafluoroborate(1-), 3-Butyl-2-[5-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-penta-1,3-dienyl]-1,1-dimethyl-1H-benzo[e]indolium tetrafluoroborate, DYE S 0149, S-0149, Infrared absorber 660

3-Butyl-2-[5-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-1,3-pentadienyl]-1,1-dimethyl-1H-benz[e]indolium tetrafluoroborate(1-) (CAS 172491-72-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C34H39BF4N2 and a molecular weight of 562.49100 g/mol. It is also known as 4,5 BENZO-1-BUTYL-1',3,3,3',3'-PENTA-METHYLINDADICARBOCYANINE TETRAFLUOROBORATE, 4,5 BENZO-1-BUTYL-1',3,3,3',3'-PENTA-METHYLINDAD and 3-Butyl-2-[5-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-penta-1,3-dienyl]-1,1-dimethyl-1H-benzo[e]indolium tetrafluoroborate. Key property: a melting point of 220ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

172491-72-4

Jingsj CID

J-1323853-5

Molecular Formula

C₃₄H₃₉BF₄N₂

Chinese Name

3-丁基-2-[5-(1,3-二氢-1,3,3-三甲基-2H-吲哚-2-亚基)-1,3-戊二烯基]-1,1-二甲基-1H-苯并[e]吲哚鎓四氟硼酸盐

Molecular Weight

562.49100 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026