Nicotinic acid

Also known as: 3-Pyridinecarboxylic acid, 3-Pyridylcarboxylic acid, 5-22-02-00057 (Beilstein Handbook Reference), EINECS 200-441-0, MFCD00006391, Niacin, Nicotinamide, P. P. Factor, P.P. factor-pellagra preventive factor, Pyridine-3-carboxylic acid, Pyridine-β-carboxylic acid, T6NJ CVQ, Vitamin B3, antipellagra vitamin

Nicotinic acid (CAS 59-67-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H5NO2 and a molecular weight of 123.11 g/mol. Key properties include a melting point of 234-238 ºC, a boiling point of 292.5±13.0 °C at 760 mmHg, a density of 1.473 and a flash point of 130.7±19.8 °C. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 59-67-6
Jingsj CID: J-42358-2
Molecular Formula: C₆H₅NO₂
Molecular Weight: 123.11 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	234-238 ºC
Boiling Point	292.5±13.0 °C at 760 mmHg
Density	1.473
Flash Point	130.7±19.8 °C
PSA	55.98000
LogP	0.15
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.571
Stability	Stable. Incompatible with strong oxidizing agents. May be light sensitive.
Additional Property	1-5 g/100 mL at 17 ºC

GHS Safety & Compliance

IrritantSignal word: Warning

H319 — Causes serious eye irritation

Activity & Biological Data

Target	Human Endogenous Metabolite
Additional Information	[1]. Bruckert E, et al. Meta-analysis of the effect of nicotinic acid alone or in combination on cardiovascular events and atherosclerosis. Atherosclerosis. 2010 Jun;210(2):353-61. [2]. Wan P, et al. Pellagra: a review with emphasis on photosensitivity. Br J Dermatol. 2011 Jun;164(6):1188-200. [3]. Ishii N, et al. Pellagra among chronic alcoholics: clinical and pathological study of 20 necropsy cases. J Neurol Neurosurg Psychiatry. 1981 Mar;44(3):209-15.

Target

Human Endogenous Metabolite

Additional Information

[1]. Bruckert E, et al. Meta-analysis of the effect of nicotinic acid alone or in combination on cardiovascular events and atherosclerosis. Atherosclerosis. 2010 Jun;210(2):353-61. [2]. Wan P, et al. Pellagra: a review with emphasis on photosensitivity. Br J Dermatol. 2011 Jun;164(6):1188-200. [3]. Ishii N, et al. Pellagra among chronic alcoholics: clinical and pathological study of 20 necropsy cases. J Neurol Neurosurg Psychiatry. 1981 Mar;44(3):209-15.

Customs & Trade Information

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Nicotinic acid?

The CAS number of Nicotinic acid is 59-67-6.

What are the molecular formula and molecular weight of Nicotinic acid?

Nicotinic acid has molecular formula C6H5NO2 and molecular weight 123.11 g/mol.

Is Nicotinic acid hazardous?

Nicotinic acid has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation.

What are the upstream and downstream products of Nicotinic acid?

For Nicotinic acid, Upstream Products: 3-Pyridinemethanol, 3-Methylpyridine, Nicotinic acid N-oxide; Downstream Products: 6-Hydroxynicotinic acid, 2-Hydroxynicotinic acid, 2,5-pyridinediol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Nicotinic acid (CAS 59-67-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42358-2 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.