25510
Potassium tartrate dibasic hemihydrate
meets analytical specification of DAC, E336, 99-102% (perchloric acid titration)
Synonym(s):
L-(+)-Tartaric acid dipotassium salt, Dipotassium tartrate hemihydrate
About This Item
Recommended Products
Quality Level
assay
99-102% (perchloric acid titration)
form
solid
quality
meets analytical specification of DAC, E336
impurities
≤0.001% ammonium (NH4)
≤0.001% heavy metals (as Pb)
loss
≤4% loss on drying, 150 °C, 4 h
pH
7-9 (20 °C, 0.1%)
anion traces
chloride (Cl-): ≤500 mg/kg
oxalate (as oxalic acid): ≤100 mg/kg
sulfate (SO42-): ≤1000 mg/kg
cation traces
As: ≤3 mg/kg
Ca: ≤100 mg/kg
Cu: ≤10 mg/kg
Fe: ≤20 mg/kg
Hg: ≤1 mg/kg
Pb: ≤5 mg/kg
Zn: ≤10 mg/kg
SMILES string
O.[K+].[K+].O[C@H]([C@@H](O)C([O-])=O)C([O-])=O
InChI
1S/C4H6O6.2K.H2O/c5-1(3(7)8)2(6)4(9)10;;;/h1-2,5-6H,(H,7,8)(H,9,10);;;1H2/q;2*+1;/p-2/t1-,2-;;;/m1.../s1
InChI key
BUCMCXRUIRJPKS-QXMMYYGRSA-L
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General description
Application
- {[Cd3(C4H4O6)3(H2O)].H2O}n
- {Cd3(C4H3O6)2(H2O)2].5.5H2O}n
- {[Cd2(C4H4O6)2(H2O)].3H2O}n
- [Cd(C4H4O6)]n
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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