Galactose

C₆H₁₂O₆

IUPAC: (3R,4S,5R,6R)-6-(Hydroxymethyl)oxane-2,3,4,5-tetrol

CAS: 59-23-4

Overview

Galactose is a monosaccharide that combines with glucose to form lactose in milk. Galactosemia is a genetic inability to metabolize galactose.

Composition

Element	Symbol	Atoms	Atomic Mass
Hydrogen	H	12	1.0080
Carbon	C	6	12.0110
Oxygen	O	6	15.9990

Elemental Composition

Hydrogen ×12

6.7%

Carbon ×6

40.0%

Oxygen ×6

53.3%

Uses

• Pharmaceutical research
• Biotechnology
• Food science

Fun Facts

✦ People with galactosemia cannot consume dairy products

Structure

SMILES

C(C1C(C(C(C(O1)O)O)O)O)O

Properties

Type: organic
State: solid
Molar Mass: 180.16 g/mol
Density: 1.5000 g/cm³
Melting Point: 167.0 °C
Solubility: 683 g/L at 20°C

Molecular Descriptors

Exact Mass: 180.0634
XLogP: -2.6
TPSA: 110.0 Å²
H-Bond Donors: 5
H-Bond Acceptors: 6
Rotatable Bonds: 1
Heavy Atoms: 12
Complexity: 151.0

Related Compounds

1,2-Dichloroethane

C₂H₄Cl₂

1,3-Butadiene

C₄H₆

1,4-Dioxane

C₄H₈O₂

1-Butanol

C₄H₁₀O

2-Propanol

C₃H₈O

Acetaldehyde

CH₃CHO

Acetamide

C₂H₅NO

Acetic Anhydride

C₄H₆O₃

Acetone

(CH₃)₂CO

Acetonitrile

C₂H₃N

Frequently Asked Questions

What is Galactose?

Galactose (C₆H₁₂O₆) is a organic compound with the IUPAC name (3R,4S,5R,6R)-6-(Hydroxymethyl)oxane-2,3,4,5-tetrol.

What is the molecular weight of Galactose?

Galactose has a molar mass of 180.16 g/mol.

What state is Galactose at room temperature?

Galactose is a solid at room temperature.

Is Galactose organic or inorganic?

Galactose is classified as an organic compound.

What elements make up Galactose?

Galactose (C₆H₁₂O₆) is composed of Hydrogen (H), Carbon (C), Oxygen (O).