Potassium Bitartrate

KHC₄H₄O₆

IUPAC: Potassium hydrogen tartrate

CAS: 868-14-4

概要

Potassium bitartrate, known as cream of tartar, is a byproduct of winemaking that crystallizes in wine barrels. It is the potassium acid salt of tartaric acid. Combined with baking soda, it creates baking powder. It is used to stabilize whipped egg whites.

組成

元素 記号 原子 原子質量
Hydrogen H 5 1.0080
Carbon C 4 12.0110
Oxygen O 6 15.9990
Potassium K 1 39.0980

元素組成

H
Hydrogen ×5
2.7%
C
Carbon ×4
25.5%
O
Oxygen ×6
51.0%
K
Potassium ×1
20.8%

用途

  • • Baking powder ingredient (with baking soda)
  • • Stabilizes whipped egg whites (meringue)
  • • Cleaning agent (with vinegar)
  • • Snickerdoodle cookie coating

豆知識

  • ✦ The white crystals that sometimes appear in wine bottles (wine diamonds) are potassium bitartrate

安全性

  • ⚠ Low toxicity

Structure

SMILES

C(C(C(=O)[O-])O)(C(=O)O)O.[K+]

特性

タイプ
salt
状態
solid
モル質量
188.18 g/mol
密度
1.9840 g/cm³
融点
200.0 °C
溶解度
57 g/L at 20°C

Molecular Descriptors

Exact Mass
187.9723
TPSA
118.0 Ų
H-Bond Donors
3
H-Bond Acceptors
6
Rotatable Bonds
3
Heavy Atoms
11
Complexity
157.0

別名

Cream of tartar

関連化合物

Ammonium Chloride

NH₄Cl

Barium Chloride

BaCl₂

Calcium Sulfate

CaSO₄

Cerium(III) Chloride

CeCl₃

Copper(II) Sulfide

CuS

Ammonium Sulfate

(NH₄)₂SO₄

Barium Carbonate

BaCO₃

Calcium Citrate

Ca₃(C₆H₅O₇)₂

Calcium Phosphate

Ca₃(PO₄)₂

Calcium Propionate

Ca(C₂H₅COO)₂

Frequently Asked Questions

What is Potassium Bitartrate?
Potassium Bitartrate (KHC₄H₄O₆) is a salt compound with the IUPAC name Potassium hydrogen tartrate.
What is the molecular weight of Potassium Bitartrate?
Potassium Bitartrate has a molar mass of 188.177 g/mol.
What state is Potassium Bitartrate at room temperature?
Potassium Bitartrate is a solid at room temperature.
Is Potassium Bitartrate organic or inorganic?
Potassium Bitartrate is classified as an inorganic compound.
What elements make up Potassium Bitartrate?
Potassium Bitartrate (KHC₄H₄O₆) is composed of Hydrogen (H), Carbon (C), Oxygen (O), Potassium (K).