Bithionol
Agent Name
Bithionol
CAS Number
97-18-7
Formula
C12-H6-Cl4-O2-S
Major Category
Other Uses
Synonyms
2,2'-Dihydroxy-3,3',5,5'-tetrachlorodiphenyl sulfide; 2,2'-Dihydroxy-3,3',5,5'-tetrachlorodiphenylsulfide; 2,2'-Thiobis(4,6-dichlorophenol); 2-Hydroxy-3,5-dichlorophenyl sulfide; 2-Hydroxy-3,5-dichlorophenyl sulphide; Actamer; Bidiphen; Bis(2-hydroxy-3,5-dichlorophenyl) sulfide; Bis(3,5-dichloro-2-hydroxyphenyl) sulfide; Bisoxyphen; Bithin; Bithionol sulfide; Bithionolate; Bithionolum [INN-Latin]; Bitin; Bitionol [INN-Spanish]; CP 3438; D 26; Lorothidol; Lorothiodol; Neopellis; Nobacter; TBP; TKhsd; UNII-AMT77LS62O; Vancide BL; XL 7; Phenol, 2,2'-thiobis(4,6-dichloro-; [ChemIDplus] UN2811
Category
Biocides/Disinfectants
Description
White or grayish-white, crystalline powder; [HSDB]
Sources/Uses
Bithionol is one of the biocides commonly used in metalworking fluids. [Occupational Exposure to Metalworking Fluids. DHHS (NIOSH) Publication No. 98-102, 1998, Table 4-1] As an antimicrobial agent, it is active against bacteria and fungi. [Merck Index, #1306] It is used in agricultural fungicides and industrial cleansers. [Marks, p. 228]
Comments
A potent photosensitizer; [Marks, p. 227] A skin irritant; [CAMEO] Danger of photo-contact sensitization; [MAK]
Restricted
Use in cosmetics, soaps, and other personal products banned by the FDA. [Marks, p. 227]
Biomedical References
Exposure Assessment
Vapor Pressure
1.1E-09 mm Hg
Explanatory Notes
VP from HSDB;
Adverse Effects
Skin Sensitizer
Yes
Dermatotoxin
PACD (photoallergic contact dermatitis)
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent:
Processes
Industrial Processes with risk of exposure: