Grundinformationen
- Standard-SMILES
O.O.O.O.O.O=S([O-])([O-])=S.[Na+].[Na+]- InChIKey
PODWXQQNRWNDGD-UHFFFAOYSA-L- Summenformel
- H10Na2O8S2
- Durchschnittliche Molmasse
- 248,19 g/mol
- Monoisotopische Masse
- 247,96124818
Namen und Bezeichner
- Bevorzugter Name
- Sodium Thiosulfate Pentahydrate
- IUPAC
- disodium;dioxido-oxo-sulfanylidene-lambda6-sulfane;pentahydrate
- Englischer Name
- Sodium thiosulfate pentahydrate
- Summenformel
- H10Na2O8S2
- Molmasse
- 248.18
Namen und Synonyme
SODIUM THIOSULFATE PENTAHYDRATE10102-17-7Disodium thiosulfate pentahydrateSodium thiosulfate, pentahydrateThiosulfuric acid (H2S2O3), disodium salt, pentahydrateDTXSID6044197CHEBI:32150AntichlorRefChem:931939DTXCID4024197pentahydrate of sodium thiosulfate600-156-5
Weitere Namen anzeigen
SODIUM THIOSULPHATESODIUM THIOSULFATE SOLUTION1kgHYPOSodium Thiosulfate Hydrate4-MPHSodiuM thiosulfate pentahydra5-BPDiNatriumthiosulfat
sodium thiosulphate pentahydrateMFCD00149186Na2S2O3.5H2Odisodium;dioxido-oxo-sulfanylidene-lambda6-sulfane;pentahydrateThiosulfuric acid (H2S2O3), sodium salt, hydrate (1:2:5)Sodium thiosulfate (pentahydrate)TinverSodium Hyposulfite Pentahydrate
Datenbank-Bezeichner
- CAS
10102-17-7- PubChem CID
- 61475
- DTXSID
DTXSID6044197- ChEBI
CHEBI:32150- UNII
- HX1032V43M
- EC Number
- 600-156-5
Eigenschaften
Berechnete Struktureigenschaften
- Polarare Oberfläche (TPSA)
- 109 Ų
- H-Brücken-Donoren
- 5
- H-Brücken-Akzeptoren
- 9
- Frei drehbare Bindungen
- 0
- Schwere Atome
- 12
- Formalladung
- 0
- Komplexität
- 82
Physikochemische Eigenschaften
- Schmelzpunkt
- 48.5 °C · 48.5 °C
- Siedepunkt
- 100 C · 100 C
- Dichte
- 1.01 g/mL · 1.01 g/mL at 25 °C
- Brechungsindex
- 1.489 · 1.489
- storage temp.
- 5 °C · Store at +5°C to +30°C.
- Löslichkeit
- 2 O: · H2O: 1 M at 20 °C, clear, colorless
- Aggregatzustand
- Solid
- Farbe
- White tranparent
- Wichte
- 1.729 · 1.729
- Geruch (Odor)
- Odorless
- PH
- 6 · 6.0-7.5 (100g/l, H2O, 20℃)
- Wasserlöslichkeit
- 680 g/L · 680 g/L (20 ºC)
- Merck
- 14 · 14,8694
- Stabilität
- Stable. Incompatible with strong acids, iodine, mercury.
- Kosmetik-Inhaltsstoffe Funktionen
- REDUCING
- InChI
- 1S/2Na.H2O3S2.5H2O/c;;1-5(2,3)4;;;;;/h;;(H2,1,2,3,4);5*1H2/q2*+1;;;;;;/p-2
- InChIKey
- AKHNMLFCWUSKQB-UHFFFAOYSA-L
- SMILES
- O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=S
- LogP
- -0.428 · -0.428 (est)
- CAS Datenbank
- 10102 · 10102-17-7(CAS DataBase Reference)
- EPA chemische Informationen
- Thiosulfuric acid (H2S2O3), disodium salt, pentahydrate (10102-17-7)
Sicherheit und Regulatorisches
Sicherheitsdaten
- F
- 10
- wgk
- 1
- tsca
- Yes
- hs_code
- 28323000
- RTECS-Nr.
- WE6660000
- risk_code
- 36/37/38
- Toxizität
- LD50 orally in Rabbit: > 5000 mg/kg
- hazard_code
- Xi
- safety_code
- 24/25-37/39-36-26
- Speicherklasse
- 11 - Combustible Solids
Chemie und Industrie
Anwendungen
VerwendenSodium thiosulfate pentahydrate is used as an analytical reagent in laboratories. It is used in photographic processing and in gold extraction. Its alkylated derivatives, S-alkylthiosulfonates, are known as Bunte salts. It is involved in the preparation of thioglycolic acid. Furthermore, it is used to dechlorinate tap water, for removing free bromine from solutions and to check the pH of bleach solutions with liquid indicators. Other uses include tanning of leather; as an active component in hand warmers and chemical heating pads and as an anionic surfactant to aid in the dispersion of pharmaceutical preparations.
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