25508
Potassium sodium tartrate tetrahydrate
99.0-101.0% (calc. on H2O free substance), solid, puriss., meets analytical specification of Ph. Eur., BP, USP, FC, E 337
Synonym(s):
L(+)-Tartaric acid potassium Sodium salt, Rochelle salt, Seignette salt
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| Size/SKU | Availability | Price |
|---|---|---|
500 g | Available to ship TODAYfromMILWAUKEE | $75.30 |
1 kg | Available to ship TODAYfromMILWAUKEE | $143.00 |
5 kg | Check Cart for Availability | $620.00 |
6 x 1 kg | Check Cart for Availability | $655.00 $491.25 |
About This Item
$75.30
Available to ship TODAYDetails
Product Name
Potassium sodium tartrate tetrahydrate, puriss., 99.0-101.0% (calc. on H2O free substance), meets analytical specification of Ph. Eur., BP, USP, FC, E 337
grade
puriss.
Quality Segment
assay
99.0-101.0% (calc. on H2O free substance)
form
solid
optical activity
[α]20/D +28.0 to +30.0°
quality
meets analytical specification of Ph. Eur., BP, USP, FC, E 337
impurities
acidity or alkalinity, in accordance, residual solvent, complies, ≤0.001% heavy metals (as Pb), ≤0.003% total nitrogen (N), ≤0.004% ammonium (NH4), ≤0.004% free alkali (as NaOH), ≤0.0075% free acid (as C4H6O6), 24-26% water (Karl Fischer)
loss
21-26% loss on drying, 150 °C, 3 h
pH
6.5-8.5 (20 °C, 1%)
anion traces
chloride (Cl-): ≤20 mg/kg, sulfate (SO42-): ≤50 mg/kg
cation traces
As: ≤1 mg/kg, Ba:, in accordance, Ca: ≤50 mg/kg, Cu: ≤10 mg/kg, Fe: ≤10 mg/kg, Hg: ≤1 mg/kg, Pb: ≤2 mg/kg, Zn: ≤10 mg/kg
suitability
passes test for appearance of solution
SMILES string
O.O.O.O.[Na+].[K+].O[C@H]([C@@H](O)C([O-])=O)C([O-])=O
InChI
1S/C4H6O6.K.Na.4H2O/c5-1(3(7)8)2(6)4(9)10;;;;;;/h1-2,5-6H,(H,7,8)(H,9,10);;;4*1H2/q;2*+1;;;;/p-2/t1-,2-;;;;;;/m1....../s1
InChI key
VZOPRCCTKLAGPN-ZFJVMAEJSA-L
General description
Application
1 of 1
This Item | |||
|---|---|---|---|
| description puriss., 99.0-101.0% (calc. on H2O free substance), meets analytical specification of Ph. Eur., BP, USP, FC, E 337 | description BioUltra, ≥99.5% (NT) | description ReagentPlus®, ≥99% | description puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5% (perchloric acid titration) |
| form solid | form solid | form crystalline | form - |
| assay 99.0-101.0% (calc. on H2O free substance) | assay ≥99.5% (NT) | assay ≥99% | assay ≥99.5% (perchloric acid titration) |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| grade puriss. | grade - | grade - | grade ACS reagent, puriss. p.a. |
| anion traces sulfate (SO42-): ≤50 mg/kg, chloride (Cl-): ≤20 mg/kg | anion traces sulfate (SO42-): ≤50 mg/kg, phosphate (PO43-): ≤10 mg/kg, chloride (Cl-): ≤5 mg/kg | anion traces - | anion traces sulfate (SO42-): ≤50 mg/kg, phosphate (PO43-): ≤10 mg/kg, chloride (Cl-): ≤5 mg/kg |
| impurities ≤0.003% total nitrogen (N), 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), ≤0.001% heavy metals (as Pb) | impurities ≤0.002% total nitrogen (N), insoluble matter, passes filter test | impurities - | impurities ≤0.001% total nitrogen (N) |
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Storage Class
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