Niacin

C₆H₅NO₂

IUPAC: Pyridine-3-carboxylic acid

CAS: 59-67-6

Overview

Niacin, or Vitamin B3, is essential for metabolism. Its deficiency causes pellagra, which was epidemic in the American South in the early 1900s.

Composition

Element	Symbol	Atoms	Atomic Mass
Hydrogen	H	5	1.0080
Carbon	C	6	12.0110
Nitrogen	N	1	14.0070
Oxygen	O	2	15.9990

Elemental Composition

Hydrogen ×5

4.1%

Carbon ×6

58.5%

Nitrogen ×1

11.4%

Oxygen ×2

26.0%

Uses

• Dietary supplement
• Food fortification
• Cholesterol treatment (high doses)

Fun Facts

✦ The 'Four D's' of pellagra: diarrhea, dermatitis, dementia, and death

Safety

⚠ Flushing at high doses

Structure

SMILES

C1=CC(=CN=C1)C(=O)O

Properties

Type: organic
State: solid
Molar Mass: 123.11 g/mol
Density: 1.4730 g/cm³
Melting Point: 236.6 °C
Solubility: 18 g/L at 20°C

Molecular Descriptors

Exact Mass: 123.0320
XLogP: 0.4
TPSA: 50.2 Å²
H-Bond Donors: 1
H-Bond Acceptors: 3
Rotatable Bonds: 1
Heavy Atoms: 9
Complexity: 114.0

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 Niacin?

Niacin (C₆H₅NO₂) is a organic compound with the IUPAC name Pyridine-3-carboxylic acid.

What is the molecular weight of Niacin?

Niacin has a molar mass of 123.11 g/mol.

What state is Niacin at room temperature?

Niacin is a solid at room temperature.

Is Niacin organic or inorganic?

Niacin is classified as an organic compound.

What elements make up Niacin?

Niacin (C₆H₅NO₂) is composed of Hydrogen (H), Carbon (C), Nitrogen (N), Oxygen (O).