Dikaliumdisulfat

Potassium pyrosulfate

HCID 62681CAS 7790-62-7
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Grundinformationen

Standard-SMILES
O=S(=O)([O-])OS(=O)(=O)[O-].[K+].[K+]
InChIKey
KAQHZJVQFBJKCK-UHFFFAOYSA-L
Summenformel
K2O7S2
Durchschnittliche Molmasse
254,33 g/mol
Monoisotopische Masse
253,8359577

Namen und Bezeichner

Bevorzugter Name
Potassium pyrosulfate
IUPAC
dipotassium;sulfonato sulfate
Lokaler Name
Dikaliumdisulfat
Englischer Name
Potassium pyrosulfate
Summenformel
K2O7S2
Molmasse
254.32

Namen und Synonyme

Potassium pyrosulfate7790-62-7Dipotassium disulfateDipotassium disulphateDipotassium pyrosulfateUNII-AVJ6ZST7L6AVJ6ZST7L6Disulfuric acid, dipotassium saltPotassium sulfate (K2S2O7)Potassium disulfate (K2S2O7)Pyrosulfuric acid, dipotassium saltEINECS 232-216-8
Weitere Namen anzeigen
POTASSIUM HYDROGEN SULFATEPOTASSIUM PYROSULPHATEPOTASSIUM DISULFATEPotassium pyrosulfatPOTASSIUM DISULPHATEPotassiumPyrosulphateGrDI-POTASSIUM DISULPHATEPotassiuM anhydrosulfate
Potassium pyrosulfate (K2S2O7)EC 232-216-8Disulfuric acid, potassium salt (1:2)DTXSID10889580POTASSIUM PYROSULFATE [MI]RefChem:175589Potassium disulfate, ReagentPlusDTXCID801028833

Datenbank-Bezeichner

CAS
7790-62-7
PubChem CID
62681
DTXSID
DTXSID10889580
UNII
AVJ6ZST7L6
EC Number
232-216-8
Nikkaji
J254.775I

Eigenschaften

Berechnete Struktureigenschaften

Polarare Oberfläche (TPSA)
140 Ų
H-Brücken-Donoren
0
H-Brücken-Akzeptoren
7
Frei drehbare Bindungen
0
Schwere Atome
11

Experimentelle und physikochemische Eigenschaften

Physical DescriptionColorless solid; [Merck Index] White solid; [Sigma-Aldrich MSDS]

Physikochemische Eigenschaften

Schmelzpunkt
325 °C · 325 °C
Dichte
2.28 g/mL · 2.28 g/mL at 25 °C (lit.)
storage temp.
no restrictions.
Löslichkeit
2 O: · H2O: 0.1 M at 20 °C, clear, colorless
Aggregatzustand
Solid
Wichte
2.28 · 2.28

Sicherheit und Regulatorisches

GHS-Klassifizierung

GHS Classification · 6 Einträge

This chemical does not meet GHS hazard criteria for 1.3% (2 of 149) of reports.

Danger

H314 (97.3%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]；H318 (38.9%): Causes serious eye damage [Danger Serious eye damage/eye irritation]；H331 (36.9%): Toxic if inhaled [Danger Acute toxicity, inhalation]

P260, P261, P264, P264+P265, P271, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P363, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 149 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.；Reported as not meeting GHS hazard criteria per 2 of 149 reports by companies.；There are 7 notifications provided by 147 of 149 reports by companies with hazard statement code(s).；Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

Gefahrenhinweise

Regulatory Information · 3 Einträge

Chemical: Disulfuric acid, dipotassium salt

Status: Active Update: 04-04-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/11493

Potassium pyrosulphate: Does not have an individual approval but may be used under an appropriate group standard

Hazards SummaryCauses burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; [Sigma-Aldrich MSDS] See Potassium sulfate.
Hazard Classes and CategoriesSkin Corr. 1A (97.3%)；Eye Dam. 1 (38.9%)；Acute Tox. 3 (36.9%)

Sicherheit und Schutzausrüstung

Protective Action Criteria (PAC) · 3 Einträge

0.20 [mg/m3]

8.7 [mg/m3]

160 [mg/m3]

Toxikologische Informationen

Adverse EffectsDermatotoxin - Skin burns.；Toxic Pneumonitis - Inflammation of the lungs induced by inhalation of metal fumes or toxic gases and vapors.

Regulatorische Informationen

Regulatory Information · 3 Einträge

Chemical: Disulfuric acid, dipotassium salt

Status: Active Update: 04-04-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/11493

Potassium pyrosulphate: Does not have an individual approval but may be used under an appropriate group standard

Sicherheitsdaten

wgk
3
tsca
TSCA listed
ridadr
UN 3260 8/PG 2
hs_code
2833 29 80
risk_code
34
hazard_code
C

Chemie und Industrie

Verwendung und Herstellung

Household ProductsInformation on 2 consumer products that contain Dipotassium disulfate in the following categories is provided:；• Commercial / Institutional
General Manufacturing InformationDisulfuric acid, potassium salt (1:2): ACTIVE

Anwendungen

VerwendenAcid flux in analysis, laboratory reagent.

Vor- und nachgelagerte Produkte

Nachgelagerte Produkte

Anbieter50 Anbieter

国药集团化学试剂有限公司86-21-63210123 · [email protected]
湖北永阔科技有限公司027-59223108 15972152991 · [email protected]
上海阿拉丁生化科技股份有限公司400-6206333 13167063860 · [email protected]
Shandong chuangyingchemical Co., Ltd.18853181302 · [email protected]
湖南韵邦生物科技股份有限公司85561037 15386497078 · [email protected]

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