Chemical Product Library / Reference

Polyhexamethylene biguanide hydrochloride

Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.

Molecular structure for Polyhexamethylene biguanide hydrochloride

Chemical identity

English namePolyhexamethylene biguanide hydrochloride
English synonymsPHMB;Polyhexanide;Poly(hexamethylenebiguanide) hydrochloride
Chinese name聚六亚甲基双胍盐酸盐
Chinese synonymsPHMB;聚己缩胍;聚六亚甲基胍盐酸盐
Chemical categoryDisinfectants
CAS No.32289-58-0
EINECS No.1308068-626-2
Molecular formula(C8H17N5)n·xHCl
Molecular weightNot provided
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.

Technical indicators

Active content according to grade (e.g. 20% aqueous solution); pH (1% aqueous solution) 4.0–6.0; density (20°C) 1.04–1.08 g/cm³

Performance characteristics

Colorless to pale yellow aqueous solution, broad-spectrum antimicrobial activity, low toxicity

Application scenarios

Disinfectant, preservative, water treatment biocide, personal care preservative