
Nicotinamide (CAS: 98-92-0), also known as niacinamide , vitamin B3, has the molecular formula C₆H₆N₂O and a molecular weight of 122.13. It is the amide form of nicotinic acid (vitamin B3). It appears as a white, needle-like crystalline powder that is odorless or nearly odorless, has a slightly bitter taste, and is slightly hygroscopic.
| Item | Specification |
| Melting Point | 128-131°C(lit.) |
| Boiling Point | 150-160°C |
| Density | 1.40 g/cm³ |
| Flash point | 182°C |
| Vapor pressure | 0 Pa at 25°C |
| Water solubility | 1000 g/L (20°C) |
| Water Solubility | lightly soluble in water and glycerol; the aqueous solution is colorless to pale yellow |
| Solubility | Soluble in water and ethanol; slightly soluble in diethyl ether |
Pharmaceutical field: Used to treat pellagra and niacin deficiency; it can also serve as a biochemical raw material for synthesizing coenzymes.
Cosmetics field: A core active ingredient in skincare, it brightens the complexion, repairs the skin barrier, controls oil, and combats acne; it is used in various cleansing, care, and skincare products.
Food Industry: A nutritional fortifier added to foods and functional dietary supplements to provide vitamin B3.
Animal Feed Industry: An additive in livestock, poultry, and aquaculture feed to supplement B vitamins, promote animal growth, and maintain skin and coat health.
Fine Chemicals: Used as an electroplating additive, a component of cell culture media, and an intermediate in organic synthesis.
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