韩国无码成人精品A片罪恶的审判,少妇被粗大的猛进69视频,精品国产乱码久久久久久浪潮,同性双男a片又黄又刺激小说免费

??Thermosensitive dye intermediate

BBA(2-[4-(Dibutylamino)-2-hydroxybenzoyl]benzoic acid)

  • CAS No.: 54574-82-2
  • Appearance: Pale yellow powder
  • Molecular Formula: C??H??NO?
  • Molecular Weight: 369.45
Structural formula
Specification

Content (%): ≥99.0

Melting Point (°C): 190℃-193℃

Volatiles (%): ≤0.3


Application

Serves as a key intermediate for the chromogenic agent ODB-2, used in the production of (thermal) pressure-sensitive paper.