Potassium sodium tartrate tetrahydrate , ACS,99% , 6381-59-5

Synonym(s):
L(+)-Tartaric acid potassium Sodium salt;Potassium sodium tartrate tetrahydrate;Rochelle salt;Seignette salt;Sodium potassium tartrate, Tartaric acid potassium sodium salt

CAS NO.：6381-59-5

Empirical Formula: C4H10KNaO7

Molecular Weight: 232.21

MDL number: MFCD00150989

EINECS: 613-385-0

PRODUCT Properties

• Melting point: 70-80 °C
• Boiling point: 220°C
• alpha: 22.1 º (c=10, water)
• Density: 1.05 g/mL at 20 °C
• bulk density: 1000kg/m3
• refractive index: 22 ° (C=10, H2O)
• storage temp.: Store at +5°C to +30°C.
• solubility: H₂O: 1 M at 20 °C, clear, colorless
• form: Solid
• color: White semi-transparent
• PH Range: 6.0 - 8.5
• Odor: Odorless
• PH: 7.0-8.5 (25℃, 50mg/mL in H2O)
• optical activity: [α]20/D +28.0 to +30.0°
• Water Solubility: 630 g/L (20 ºC)
• λmax: λ: 260 nm Amax: 0.026; λ: 280 nm Amax: 0.022
• Merck: 14,7670
• BRN: 6113568
• 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
• InChIKey: VZOPRCCTKLAGPN-ZFJVMAEJSA-L
• SMILES: O.O.O.O.[Na+].[K+].O[C@H]([C@@H](O)C([O-])=O)C([O-])=O
• LogP: -1.426 (est)
• CAS DataBase Reference: 6381-59-5(CAS DataBase Reference)
• NIST Chemistry Reference: Sodium potassium tartrate tetrahydrate(6381-59-5)

Description and Uses

Potassium sodium tartrate tetrahydrate has been used in the preparation of 3,5-dinitrosalicylic acid solution used in the determination of the reducing sugar.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P261-P280-P271
• PPE: Eyeshields, Gloves, type N95 (US)
• Risk Statements: 22-35
• Safety Statements: 22-24/25-45-36/37/39-26
• WGK Germany: 3
• TSCA: Yes
• HS Code: 2918 13 00
• Storage Class: 11 - Combustible Solids