ethanesulfonothioic acid, 2-amino-
None found
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2-hydroxysulfonothioylethanamine (Click)
CAS Number: 2937-54-4Picture of molecule
ECHA EINECS - REACH Pre-Reg: 220-918-7
Nikkaji Web: J306.861G
XlogP3: -0.10 (est)
Molecular Weight: 141.21319000
Formula: C2 H7 N O2 S2
NMR Predictor: Predict (works with chrome or firefox)
Category: antioxidants
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar: Search
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IBM Patents: Obtain
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Physical Properties:
Assay: 95.00 to 100.00 % 
Food Chemicals Codex Listed: No
Soluble in:
 water, 1e+006 mg/L @ 25 °C (est)
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Organoleptic Properties:
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Cosmetic Information:
CosIng: cosmetic data
Cosmetic Uses: antioxidants
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 None found
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Safety Information:
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: antioxidants
Recommendation for thiotaurine usage levels up to:
 not for fragrance use.
Recommendation for thiotaurine flavor usage levels up to:
 not for flavor use.
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Safety References:
EPI System: View
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 6858023
National Institute of Allergy and Infectious Diseases: Data
Chemidplus: 0002937544
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NIST Chemistry WebBook: Search Inchi
Pubchem (cid): 6858023
Pubchem (sid): 135034626
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Other Information:
(IUPAC): Atomic Weights of the Elements 2009
(IUPAC): Atomic Weights of the Elements 2009 (pdf)
Videos: The Periodic Table of Videos
tgsc: Atomic Weights use for this web site
(IUPAC): Periodic Table of the Elements
HMDB (The Human Metabolome Database): Search
ChemSpider: View
Wikipedia: View
RSC Learn Chemistry: View
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Potential Blenders and core components note
None Found
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Potential Uses:
None Found
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Occurrence (nature, food, other): note
 not found in nature
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2-aminoethanethiosulfonic acid
 ethanesulfonothioic acid, 2-amino-
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PubMed: A Proteomic Approach to Study the Effect of Thiotaurine on Human Neutrophil Activation.
PubMed: Thiotaurine protects mouse cerebellar granule neurons from potassium deprivation-induced apoptosis by inhibiting the activation of caspase-3.
PubMed: Thiotaurine modulates human neutrophil activation.
PubMed: Comparative evaluation of taurine and thiotaurine as protectants against diabetes-induced nephropathy in a rat model.
PubMed: The effects of taurine and thiotaurine on oxidative stress in the aorta and heart of diabetic rats.
PubMed: Protection by taurine and thiotaurine against biochemical and cellular alterations induced by diabetes in a rat model.
PubMed: Thiotaurine prevents apoptosis of human neutrophils: a putative role in inflammation.
PubMed: Comparative evaluation of the effects of taurine and thiotaurine on alterations of the cellular redox status and activities of antioxidant and glutathione-related enzymes by acetaminophen in the rat.
PubMed: Comparison of brain mitochondrial cytochrome c oxidase activity with cyanide LD(50) yields insight into the efficacy of prophylactics.
PubMed: Thiotaurine and hypotaurine contents in hydrothermal-vent polychaetes without thiotrophic endosymbionts: correlation With sulfide exposure.
PubMed: Hypotaurine and sulfhydryl-containing antioxidants reduce H2S toxicity in erythrocytes from a marine invertebrate.
PubMed: Oxidative effects of cigarette smoke on the human skin.
PubMed: Possible role of a taurine transporter in the deep-sea mussel Bathymodiolus septemdierum in adaptation to hydrothermal vents.
PubMed: High contents of hypotaurine and thiotaurine in hydrothermal-vent gastropods without thiotrophic endosymbionts.
PubMed: Development of an LC-MS-MS method for the quantification of taurine derivatives in marine invertebrates.
PubMed: Possible roles of sulfur-containing amino acids in a chemoautotrophic bacterium-mollusc symbiosis.
PubMed: Stimulatory effect of sulphide on thiotaurine synthesis in three hydrothermal-vent species from the East Pacific Rise.
PubMed: Unusual organic osmolytes in deep-sea animals: adaptations to hydrostatic pressure and other perturbants.
PubMed: In vitro effects of anionic sulfur compounds on the spectrophotometric properties of native DNA.
PubMed: High amounts of sulphur-amino acids in three symbiotic mytilid bivalves from deep benthic communities.
PubMed: Displacement of [(3)H]GABA binding to bovine brain receptors by sulfur-containing analogues.
PubMed: [Enzymatic systems evolved in the conversion of cystamine to thiotaurine and hypotaurine].
PubMed: Sulfur exchange between thiotaurine and hypotaurine.
PubMed: The enzymic conversion of cystamine and thiocysteamine into thiotaurine and hypotaurine.
PubMed: [Enzymatic conversion of cystamine into thiotaurine].
PubMed: Inability of thiotaurine to protect mice against ionizing radiation.
PubMed: Degradation of thiotaurine by ionizing radiations.
PubMed: Chromatographic evidence on the occurrence of thiotaurine in the urine of rats fed with cystine.
PubMed: On the synthesis and biochemistry of thiotaurine (amino-2-ethanethiosulfonic acid).
PubMed: [On the synthesis of thiotaurine].
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