Niacin acid AR Grade is a water-soluble vitamin and belongs to the B vitamin group. CAS 59-67-6 EC 200-441-0| Chemical Reagents net

It is a form of vitamin B3 used in the pharmaceutical and cosmetic industries and is moderately strong acidic. Chemically stable and easily soluble in water, it has little impact on the environment.

General Information

EC Number: 200-441-0
CAS Number: 59-67-6
MDL Number: MFCD00006391
Molecular Formula: C6H5NO2
Molecular Weight: 123.11

General Information

Brand: KeShi
Packaging: 25g × 10 bottles/box

Physical Properties

Appearance: White crystalline solid
Melting Point: Approximately 236 °C
Solubility: Soluble in water

Chemical Properties

Acidity: Moderately strong acid

Structural Formula

    H
     \
      N
     /
H-C=C-COOH
     \
      H

Quality inspection report

| Product Name        | Nicotinic Acid (Niacin)     |
| Specification       | Analytical Grade            |
| Batch Number        | 2023051201                  |
| Molecular Formula   | C6H5NO2                     |
| Molecular Weight    | 123.11                      |
| Batch Size          | 3kg                         |
| Testing Unit        | Production Department       |
| Sample Category     | Organic                     |
| Report Date         | May 14, 2023                |
| Testing Standard    | Q/CDKLHX0368-2016A          |

| Test Item           | Standard Requirement        | Test Result     |
|---------------------|-----------------------------|-----------------|
| Content (after drying), % | ≥99.5                   | 99.8            |
| Appearance          | Colorless needle-like crystals | Colorless needle-like crystals |
| Melting Point / °C  | 234-237                     | 234.4-236.9     |
| Ethanol Solubility Test | Pass                     | Pass            |
| Residue on Ignition (as sulfate), % | ≤0.05        | 0.03            |
| Loss on Drying, %   | ≤0.05                       | 0.04            |

Analysis Conclusion:
Meets the requirements of Q/CDKLHX0368-2016A for Analytical Grade.

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