High Purity 3,5-Dinitrosalicylic Acid (DNSA) | 99% | Reliable Reducing Sugar Test Reagent - China Suppliers & Factory
Product Description
Product Name & Details
| Product Name | 3,5-Dinitrosalicylic acid |
| Product Code | 01411 |
| CAS No | 609-99-4 |
| HS Code | 2916.39.90 |
| Molecular Formula | C7H4N2O7 |
| Molecular Wt | 228.12 |
| Synonyms | 2-hydroxy-3,5-dinitrobenzoic acid, 3,5-Dinitro-2-hydroxybenzoic acid |
Specification
| Physical Appearance | White To Yellow Powder |
| Melting Point | 170-173°C |
| Moisture Content (KF) by KF | NMT 1.0% |
| Solubility 2.5% In Methanol | Clear Solution |
| Identify By FTIR | Comparable With Standard |
| Purity By HPLC | NLT 99.0% |
| Assay (by Titration Acidimetry) | NLT 97 - 102% |
Application
- It is used as raw material to manufacture industrial organic chemicals.
- 3,5-Dinitrosalicylic acid is used in the quantification of reducing sugars by colorimetry.
- It is utilized for the analysis of glycosidase (glycoside hydrolase) activity by quantitation of enzymatically released reducing sugar.
- It is also used to detect reducing substances in urine and for quantifying carbohydrate level in blood.
- It acts as an important raw material and an intermediate in the production of organic chemicals such as agrochemicals, organic synthesis, pharmaceuticals and dyes.
Frequently Asked Questions (FAQ)
What is the CAS number and molecular formula of 3,5-Dinitrosalicylic acid?
The CAS number for 3,5-Dinitrosalicylic acid is 609-99-4, and its molecular formula is C7H4N2O7 with a molecular weight of 228.12.
What is the purity level of your DNSA reagent?
Our 3,5-Dinitrosalicylic acid is highly purified, featuring a purity of not less than 99.0% (NLT 99.0%) when analyzed by HPLC.
What are the primary applications of 3,5-Dinitrosalicylic acid?
It is widely used for quantifying reducing sugars via colorimetry, measuring glycosidase activity, detecting reducing substances in urine, measuring blood carbohydrate levels, and serving as an intermediate for organic synthesis and pharmaceuticals.
What is the physical appearance and solubility of this product?
DNSA appears as a white to yellow powder. It forms a clear solution when dissolved at a 2.5% concentration in methanol.
What is the melting point and moisture content of the reagent?
The melting point range is 170-173°C, and the moisture content (KF) is strictly controlled to be not more than 1.0% (NMT 1.0%).


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