| Appearance: | Powder |
|---|---|
| Grade Standard: | Reagent Grade |
| Purity: | 99.82% |
| Water Content: | 0.19% |
| Dry Weight Loss: | 0.41% |
| pH Value: | 5.6 |
| Samples: |
|---|
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier | Point of melting: | 190 °C (dec.)(lit.) |
| Boiling point: | 290.25°C (rough estimate) |
| Density of density: | 1.05 g/mL at 20 °C |
| Pressure of vapor: | 0.002-0.007Pa at 20-25ºC |
| Index of refraction: | 1.4240 (estimate) |
| Storage conditions: | room temp |
| Degree of solubility: | H2O:1 Mat 20 °C, transparent and colorless |
| form: | White powder |
| PH value: | 4.0-5.5 (25ºC, 1M in H2O) |
| Acid-base indicator discoloration ph range: | 7.6 - 9.0 |
| Coefficient of acidity (pKa): | 8.3(at 25ºC) |
| Solubility of water: | soluble |
| Maximum wavelength (λmax): | λ: 260 nm Amax: 0.070λ: 280 nm Amax: 0.040 |
| LogP: | 2.3 at 20ºC and pH7 |
| Surface tension: | 72.2mN/m at 1g/L and 20ºC |
| Properties | standard | Result of Analysis |
| Appearance | White crystalline powder | Milky white crystalline powder |
| Assay,% | ≥99.0% | 99.82 |
| Moisture(%) | ≤0.5% | 0.19 |
| loss ondrying | ≤1% | 0.41 |
| solubility (1.0Maqueous) |
, | , |
| PH (1.0Maqueous) |
4.0-6.0 | 5.6 |
| /260nm (Ultravioletabsorbance) |
≤0.05 | 0.02 |
| : Conclusion: :Passed | ||
High quality with competitive price.
1. Standard bp/usp/ep/enterprise standard.
2. We are manufacturer and can provide high quality products with factory price.
Fast and safe delivery.
1. Secure and discreet shipment verious transportation methods for your choice.
2. Customs pass rate >99%.
3. We have our own agent/remailer/distributor who can help us ship our products very fast and safe, and we have stock in there for transferring.
We have clients throughout the world.
1. Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet their desire.
2. Market feedback and goods feedback will be appreciated , meeting customers' requirement is our responsibility.
3. High quality, competitive price, fast delivery, first-class service gain the trust and praise from the customers.
Suppliers with verified business licenses
Audited Supplier 
){kind=link}
){kind=link}