Ингредиент NAC
Порошок N-ацетил-L-цистеина
N-Acetyl-L-Cysteine (NAC) is supplied as a fine white powder for supplement and nutrition formulations, with defined assay, particle-size and quality specifications supported by batch test results.
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Product Profile
NAC Powder at a Glance
This N-Acetyl-L-Cysteine grade is identified by its AJI92 specification, fine-powder appearance and defined analytical controls.
Assay Basis
Understanding the NAC Assay Specification
The specification reports N-Acetyl-L-Cysteine content on both a dried basis and an as-is basis. These values describe the same material using different reporting bases.
Dried-Basis Assay
The dried-basis specification measures NAC content after accounting for moisture. The representative batch specification is 98.5%–101.0% on this basis.
As-Is Assay
The as-is specification reports NAC content in the material as tested, without converting the result to a dried basis. The listed specification is not less than 97%.
Технические характеристики
N-Acetyl-L-Cysteine Powder Specification & Batch Results
Representative batch results cover physical characteristics, identification, chemical quality, contaminants, assay and microbiological controls.
| Test Item | Технические характеристики | Batch Result |
|---|---|---|
| Physical & Identification | ||
| Внешний вид | Мелкий порошок | Мелкий порошок |
| Цвет | Белый | Белый |
| Запах | Характеристика | Квалифицированный |
| Identification - FTIR | IR spectra of sample compares qualitatively to IR spectra of the standard | Квалифицированный |
| Specific Rotation [a]D20° | +21.3° ~ +27.0° | +25.05° |
| State of Solution (Transmittance) | ≥98.0% | 99.5% |
| Размер ячейки | 95% Pass 80 Mesh | 95% Pass 80 Mesh |
| Chemical Quality | ||
| Потери при сушке | ≤0.50% | 0.07% |
| pH Value | 2.0 ~ 2.8 | 2.24 |
| Остатки при воспламенении | ≤0.20% | 0.18% |
| Остаточные растворители | Meets USP <467> Requirements | Квалифицированный |
| Heavy Metals / Contaminants | ||
| Кадмий | NMT 1 ppm | <1 ppm |
| Свинец | NMT 0.5 ppm | <0.5 ppm |
| Ртуть | NMT 0.3 ppm | <0.3 ppm |
| Мышьяк | NMT 1 ppm | <1 ppm |
| Анализ | ||
| N-Acetyl-L-Cysteine (Dried Basis) | 98.5% ~ 101.0% | 99.3% |
| N-Acetyl-L-Cysteine (As Is Basis) | ≥97% | 97.9% |
| Microbiological Analysis | ||
| Total Plate Count | <10 cfu/g | Квалифицированный |
| Дрожжи и плесень | <10 cfu/g | Квалифицированный |
| кишечная палочка | <10 cfu/g | Квалифицированный |
| Salmonella spp. | Отрицательный | Квалифицированный |
| Staphylococcus aureus | <10 cfu/g | Квалифицированный |
Formulation Fit
Working with NAC Powder in Formulations
Particle size and the characteristic odor of NAC can affect how the ingredient is evaluated in capsules, tablets, premixes and powder formulations.
Particle Size & Powder Handling
The specification includes 95% passing 80 mesh. For filling, compression or blending processes, evaluate the supplied powder against the handling requirements of your own equipment and formula.
Characteristic Odor
The specification records a characteristic odor. For flavored powders or other sensory-sensitive formulations, evaluate NAC with the complete ingredient system during product development.
Capsules, Tablets & Powder Blends
NAC powder can be evaluated for solid-dose and powder-based supplement formats where assay, particle size and finished-formula characteristics are part of the material selection.
Bulk Supply
Bulk NAC Powder Packaging & Documentation
Commercial N-Acetyl-L-Cysteine supply is supported by drum packaging, storage guidance and batch-specific quality documentation.
Packaging & Storage
NAC is supplied in drums for commercial ingredient orders.
- Pack Size
- 25 kg per drum
- Хранение
- Keep sealed in a cool, dry place away from heat, light and moisture.
- After Dispensing
- Reseal the inner packaging and drum to limit exposure during storage.
Документация по качеству
The Certificate of Analysis connects the supplied batch with its analytical results. Additional documentation requirements can be included with the inquiry so availability can be confirmed for the order.
- Партия COA
- Lot identification, specification limits and test results.
- SDS
- Request the applicable safety data for the supplied material.
- Other Records
- Identify any origin or destination-market documents required for the project.
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