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MilliporeSigma

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

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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

Synonyms: L(+)-Tartaric acid potassium Sodium salt; Rochelle salt; Seignette salt

Formula: KOCOCH(OH)CH(OH)COONa · 4H2O

Formula Weight: 282.22

CAS No.: 6381-59-5

Purity: 99.0-101.0% (calc. on H2O free substance)

Anion Traces: sulfate (SO42-): ≤50 mg/kg

Assay: 99.0-101.0% (calc. on H2O free substance)

Cation Traces: Zn: ≤10 mg/kg

Grade: puriss.

Impurities: ≤0.0075% free acid (as C4H6O6)

Loss: 21-26% loss on drying, 150 °C, 3 h

Optical Activity: [α]20/D +28.0 to +30.0°

pH: 6.5-8.5 (20°C, 1%)

Quality: meets analytical specification of Ph. Eur., BP, USP, FC, E 337

Suitability: passes test for appearance of solution

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Product Detail
Thomas No.
C990B17
Mfr. No.
25508-500G
Description
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, 500 g
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