Molekula
Niacinamide - USP CRS
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch
Niacinamide USP CRS is a water-soluble form of vitamin B3, widely used in pharmaceuticals, nutritional supplements, and skincare products for its role in metabolic processes, skin barrier support, and energy production. It is also used to fortify bread, flour and other grain-based foods, to supplement animal feed, and as a hair and skin conditioning ingredient in cosmetics. This white crystalline powder (CAS 98-92-0, C6H6N2O, MW 122.12 g/mol) meets USP standards for purity and consistency. It is stable at ambient temperatures but requires careful handling, as indicated by its warning signal word. Molekula supplies Niacinamide USP CRS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.
Overview
- SKU
- 90038515
- CAS Number
- 98-92-0
- IUPAC Name
- pyridine-3-carboxamide
- EC Number
- 202-713-4
- Molecular Formula
- C6H6N2O
- Molecular Weight
- 122.12
- Exact Mass
- 122.048
- SMILES
- C1=CC(=CN=C1)C(=O)N
- InChIKey
- DFPAKSUCGFBDDF-UHFFFAOYSA-N
- InChI
- InChI=1S/C6H6N2O/c7-6(9)5-2-1-3-8-4-5/h1-4H,(H2,7,9)
- PubChem CID
- 936
Synonyms
- 3-Pyridinecarboxamide
- Aminicotin
- Amixicotyn
- Benicot
- Dipegyl
- niacinamide
- Nicofort
- nicotinamide
- Nicotinic acid amide
- pyridine-3-carboxamide
Literature values
Published physical properties of the substance, not batch specifications.
- Appearance
- Colorless crystalline solid
- Odour
- Odorless
- Melting Point
- 130 °C
- Boiling Point
- 157 °C at 5.00E-04 mm Hg
- Density
- 1.400 g/cm³ at 25 °C
- Water Solubility
- 500 g/L at 25 °C
- Solubility (other solvents)
- Soluble in butanol, chloroform
- Vapour Pressure
- 3.1 kPa at 35 °C
- Refractive Index
- 1.466
- pKa
- pKa = 3.35 (at 20 °C)
- log P (octanol/water)
- -0.37
Source: PubChem CID 936 (HSDB, DrugBank, ICSC)
See all 4 other grades of CAS 98-92-0 →
Frequently asked questions
What is niacinamide (USP CRS) commonly used for in pharmaceuticals and cosmetics?
Niacinamide (USP CRS) is primarily used as a vitamin B3 derivative in skincare for improving barrier function, reducing redness, and enhancing hydration, as well as in pharmaceuticals for nutritional supplements and treatments for pellagra.
What is the molecular formula and molecular weight of niacinamide?
The molecular formula is C6H6N2O and the molecular weight is 122.12 g/mol.
What is the hazard classification (Signal Word) for niacinamide?
The Signal Word for niacinamide is Warning, a GHS signal word indicating a hazard: it causes skin irritation (H315), causes serious eye irritation (H319) and may cause respiratory irritation (H335).
How should niacinamide (USP CRS) be stored?
Store niacinamide at ambient temperature in a dry, well-ventilated area, away from direct sunlight and moisture.
Does Molekula supply niacinamide in bulk quantities?
Yes, Molekula can supply niacinamide (USP CRS) in bulk quantities—please contact us for specific packaging options and minimum order quantities.
What documentation comes with an order of USP CRS-grade niacinamide?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and USP CRS compliance documentation to verify purity and quality standards.
Related products
Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.