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Assessment of 55566-30-8 Tetrakis(hydroxymethyl) phosphonium sulfate (GS-226) by ToxServices, 2014-06-25

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Assessment by ToxServices LLC Assessment Date: 06-25-14
Expiration Date: 06-25-17
Assessor: ToxServices LLC
Assessor Type*: GreenScreen Profiler
Assessment Type*: Certified
Template version: V1.2
Tracking number: GSI-62

Tetrakis (hydroxymethyl) phosphonium sulfate compound

CAS#: 55566-30-8
Chemical Name: Tetrakis (hydroxymethyl) phosphonium sulfate

Chemical Synonyms: Tetrakis(hydroxymethyl)phosphonium sulphate(2:1); THPS; Phosphonium, tetrakis(hydroxymethyl)-, sulfate (2:1) (salt); Retardol S; Pyroset TKO; Bis(tetrakis(hydroxymethyl)phosphonium)sulfate (salt) (ChemIDplus 2014)

Primary Applications: Biocides or Fungicides, Hydraulic Fracturing

Tetrakis(hydroxymethyl)phosphonium sulfate (THPS) is a crystalline solid that is available commercially as a 75% concentrated aqueous solution. It is mainly used as biocide, in water treatment systems, oil field operations, and paper-making industry. In hydraulic fracturing fluids, it functions as a biocide that eliminates bacteria in the water that produces corrosive by-products.