Bulk Niacinamide Powder (Vitamin B3) Supplier
Bulk niacinamide (nicotinamide) powder for dietary supplements, vitamin premixes and food formulations, with defined specifications and batch-specific analytical results.
Product Overview
Nicotinamide, also known as niacinamide, is a form of vitamin B3 supplied as a white crystalline powder. It is a different compound from niacin (nicotinic acid), so each ingredient should be selected and specified separately.
Niacinamide Specification & Batch Results
The specification below covers identity, assay, physical quality, contaminants and microbiological requirements.
| Test Item | 方法 | 規格 | Batch Result |
|---|---|---|---|
| Physical & Identification | |||
| 顏色 | 視覺 | Compare to Standard White | 白色 |
| 氣味 | Olfactory | 特徵 | Odorless or practically odorless |
| Identification - FTIR | USP | IR spectra of sample compares qualitatively to the IR spectra of the standard | Complies |
| 乾燥損失 | USP | NMT 0.5% | 0.1% |
| 點火殘留物 | USP | NMT 0.1% | Complies |
| 分析法 | |||
| Niacinamide (Dry Basis) | UPLC/HPLC | 98.5%–101.5% | 99.7% |
| Heavy Metals / Contaminants | |||
| 鎘 | ICPMS | NMT 1 ppm | Complies |
| 鉛 | ICPMS | NMT 0.5 ppm | Complies |
| 水銀 | ICPMS | NMT 0.3 ppm | Complies |
| 砷 | ICPMS | NMT 1 ppm | Complies |
| Gluten | Neogen Veratox® Gliadin R5 Kit / EZ Gluten Kit | ≤20 ppm | Complies |
| Organic Volatile Impurities | USP | Meets USP Requirements | Complies |
| Microbiological Analysis | |||
| Total Plate Count | USP <2021> | ≤10³ cfu/g | Complies |
| 酵母與黴菌 | USP <2021> | ≤10² cfu/g | Complies |
| 大腸桿菌 | USP <2022> | Absent | Complies |
| Salmonella spp. | USP <2022> | Absent | Complies |
| 金黃色葡萄球菌 | USP <2022> | Absent | Complies |
Reference batch: P01212607047 · Production: July 10, 2026 · Inspection: July 14, 2026 · Expiry: June 2029. Batch-specific analytical results are documented on the applicable Certificate of Analysis.
Niacinamide vs. Niacin
Niacinamide (nicotinamide) and niacin (nicotinic acid) are different forms of vitamin B3. This page covers niacinamide. If your formulation requires niacin, please specify the required ingredient when requesting a quotation.
Applications of Niacinamide
Niacinamide is used as a vitamin B3 ingredient in dietary supplements, vitamin premixes and food formulations. It can be incorporated into multivitamin and B-complex formulations where niacinamide is the specified form of vitamin B3. Ingredient suitability should be confirmed against the finished-product specification and applicable market requirements.
What to Specify When Ordering Niacinamide
When requesting a quotation, provide the information below so the product and supply requirements can be matched to your application.
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