Rochelle’s Salt

CAS: 6381-59-5

Ref. TR-R639470

Product Information

• Name: Rochelle’s Salt
• Synonyms: Potassium sodium tartrate tetrahydrate, Potassium sodium (+)-(2R,3R)-2,3-dihydroxybutanedioate tetrahydrate, Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, monopotassium monosodium salt, tetrahydrate, Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, potassium sodium salt, hydrate (1:1:1:4), Butanedioic acid, 2,3-dihydroxy-[R-(R*,R*)]-, monopotassium monosodium salt, tetrahydrate, Potassium Sodium 2,3-Dihydroxybutanedioate Tetrahydrate, Potassium sodium L-tartrate tetrahydrate, Potassium sodium tartrate (1:1:1) tetrahydrate, PotassiumsodiumLtartratetetrahydrate, Rochelle salt, Sodium Potassium Tartrate Tetrahydrate, Sodium potassium L-tartrate tetrahydrate, Tartaric acid, monopotassium monosodium salt, tetrahydrate, <span class="text-smallcaps">L</span>-(+)-

Description

Applications Rochelle’s Salt is a common chemical precipitant from in x-ray crystallography as well as a useful ingredient in Biuret’s Reagent, a useful tool in the measurement of protein concentration.
References Mulki, S. et al.: J. Ind. Soc. Periodont., 17, 42 (2013); Tam, A. et al.: Bioorg. Med. Chem., 17, 1055 (2009);

• Brand: TRC

Chemical properties

• Molecular weight: 282.22
• Formula: C₄H₄O₆·K·NaH₂O
• Color/Form: White
• InChI: InChI=1S/C4H6O6.K.Na.4H2O/c5-1(3(7)8)2(6)4(9)10, /p-2/t1-,2-, , , /h1-2,5-6H,(H,7,8)(H,9,10), , , , 2*+1, /m1....../s1, 4*1H2/q
• SMILES: NNc1ccc([N+](=O)[O-])cc1[N+](=O)[O-]