Agent Name

Chlorhexidine

CAS Number

55-56-1

Formula

C22-H30-Cl2-N10

Major Category

Other Uses

Synonyms

1,1'-Hexamethylenebis(5-(p-chlorophenyl)biguanide); 1,6-Bis(5-(p-chlorophenyl)biguandino)hexane; 1,6-Bis(p-chlorophenyldiguanido)hexane; 1,6-Di(4'-chlorophenyldiguanido)hexane; 2,4,11,13-Tetraazatetradecanediimidamide, N,N''-bis(4-; chlorophenyl)-3,12-diimino-; Chlorhexidin [Czech]; Chlorhexidine; Chlorhexidinum [INN-Latin]; Cloresidina [DCIT]; Clorhexidina [INN-Spanish]; Fimeil; Hexadol; Nolvasan; Rotersept; Soretol; Sterilon; Tubulicid; [ChemIDplus]

Category

Biocides/Disinfectants

Description

Crystals from methanol; [HSDB]

Sources/Uses

Chlorhexidine is used in antibacterial soaps and cleansers. [Marks, p. 228-9]

Comments

Chlorhexidine is rarely sensitizing. In one series, 0.1% of photosensitive patients had positive photo patch tests results for chlorhexidine. The 1% concentration may cause irritant effects. [Marks, p. 228-9] Immunologic contact urticaria has been reported; [Kanerva, p. 219] Occupational asthma reported in two nurses; [Malo]

Adverse Effects
Skin Sensitizer

Yes

Asthma

Yes

Dermatotoxin

Contact Dermatitis, Photoallergic

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Health Studies

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Toxicity Information

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: