25510
Potassium tartrate dibasic hemihydrate
99-102% (perchloric acid titration), solid, meets analytical specification of DAC, E336
Synonym(s):
L-(+)-Tartaric acid dipotassium salt, Dipotassium tartrate hemihydrate
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| Size/SKU | Availability | Price |
|---|---|---|
500 g | Check Cart for Availability | $122.00 |
About This Item
Product Name
Potassium tartrate dibasic hemihydrate, meets analytical specification of DAC, E336, 99-102% (perchloric acid titration)
Quality Segment
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
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
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This Item | |||
|---|---|---|---|
| description meets analytical specification of DAC, E336, 99-102% (perchloric acid titration) | description puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5% (perchloric acid titration) | description puriss., meets analytical specification of Ph.Eur., BP, FCC, 99.5-100.5% (related to dried substance) | description puriss., 99.0-101.0% (calc. on H2O free substance), meets analytical specification of Ph. Eur., BP, USP, FC, E 337 |
| form solid | form - | form powder | form solid |
| assay 99-102% (perchloric acid titration) | assay ≥99.5% (perchloric acid titration) | assay 99.5-100.5% (related to dried substance) | assay 99.0-101.0% (calc. on H2O free substance) |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| pH 7-9 (20 °C, 0.1%) | pH 7.0-8.5 (20 °C, 5%) | pH - | pH 6.5-8.5 (20 °C, 1%) |
| impurities ≤0.001% heavy metals (as Pb), ≤0.001% ammonium (NH4) | impurities ≤0.001% total nitrogen (N) | impurities residual solvents, in accordance, ≤0.001% heavy metals (as Pb), ≤0.05% oxalic acid | impurities ≤0.003% total nitrogen (N), ≤0.001% heavy metals (as Pb), acidity or alkalinity, in accordance, ≤0.004% ammonium (NH4), 24-26% water (Karl Fischer), residual solvent, complies, ≤0.004% free alkali (as NaOH), ≤0.0075% free acid (as C4H6O6) |
| cation traces Ca: ≤100 mg/kg, Pb: ≤5 mg/kg, Zn: ≤10 mg/kg, As: ≤3 mg/kg, Cu: ≤10 mg/kg, Hg: ≤1 mg/kg, Fe: ≤20 mg/kg | cation traces Fe: ≤5 mg/kg, Zn: ≤5 mg/kg, Pb: ≤2 mg/kg, Cu: ≤5 mg/kg, Ca: ≤40 mg/kg | cation traces As: ≤1 mg/kg, Pb: ≤10 mg/kg | cation traces Ca: ≤50 mg/kg, Cu: ≤10 mg/kg, As: ≤1 mg/kg, Ba:, in accordance, Zn: ≤10 mg/kg, Fe: ≤10 mg/kg, Pb: ≤2 mg/kg, Hg: ≤1 mg/kg |
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signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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