Boric acid
Boracic acid,
Orthoboric acid
Formula: BH3O3
Molecular Weight: 61.84
Cas No：10043-35-3; 11113-50-1
Buffering agent; Denaturant; Antimicrobial; Oral Care
眼藥水幾乎都有此防腐劑 過量(1天四次以上) 或長期使用可能造成乾眼症 角膜受損