Wholesale Price China Dipentene - Hydroquinone with CAS 123-31-9 – Unilong
Wholesale Price China Dipentene - Hydroquinone with CAS 123-31-9 – Unilong Detail:
| Melting point | 172-175 °C(lit.) |
| Boiling point | 285 °C(lit.) |
| Density | 1.32 |
| Vapor density | 3.81 (vs air) |
| Vapor pressure 1 mm Hg ( 132 °C) | |
| Refractive index | 1.632 |
| Fp | 165 °C |
| Storage temp | Store below +30°C. |
| Solubility H2O | 50 mg/mL, clear |
| Form Needle-Like Crystals or Crystalline Powder | |
| Pka 10.35(at 20℃) | |
| Color White to off-white | |
| Water Solubility 70 g/L (20 ºC) | |
| Sensitive Air & Light Sensitive | |
| Merck 14,4808 | |
| BRN 605970 | |
| Product Name | Hydroquinone | Batch No. | JL20211025 |
| Cas | 123-31-9 | MF Date | OCT.25,2021 |
| Packing | 25KGS/BAG | Analysis Date | OCT.25,2021 |
| Quantity | 5MT | Expiry Date | OCT.24,2023 |
| Item | Standard | Result | |
| Appearance | White crystalline powder | Conforms | |
| Assay % | 99-101 | 99.9 | |
| Melting point | 171-175 | 171.9-172.8 | |
| Residue after ignition % | ≤0.05 | 0.02 | |
| Fe % | ≤0.002 | ＜0.002 | |
| Pb % | ≤0.002 | ＜0.002 | |
| Conclusion | Conforms | ||
Hydroquinone is a pigment-lightening agent used in bleaching creams. Hydroquinone combines with oxygen very rapidly and becomes brown when exposed to air. Although it occurs naturally, the synthetic version is the one commonly used in cosmetics. Application to the skin may cause allergic reaction and increase skin sun sensitivity. Hydroquinone is potentially carcinogenic and is associated with causing ochronosis, a discoloration of the skin. The u.S. FDA has banned hydroquinone from oTC cosmetic formulations, but allows 4 percent in prescription products.
1,4-dihydroxybenzene, also known as hydroquinone, is an important chemical raw material. Its appearance is white acicular crystal. 1,4-dihydroxybenzene is widely used as an important raw material, intermediate and auxiliary agent for medicine, pesticides, dyes and rubber. It is mainly used as developer, anthraquinone dye, azo dye, rubber antioxidant and monomer polymerization inhibitor, food stabilizer and coating antioxidant, petroleum anticoagulant, synthetic ammonia catalyst, etc. It can also be used as analytical reagent, reducing agent and developer of copper and gold.
25kg/drum.
Product detail pictures:
Related Product Guide:
Our commission is always to provide our customers and clientele with best quality and aggressive portable digital products for Wholesale Price China Dipentene - Hydroquinone with CAS 123-31-9 – Unilong , The product will supply to all over the world, such as: Philippines, Sao Paulo, Monaco, By integrating manufacturing with foreign trade sectors, we can provide total customer solutions by guaranteeing the delivery of right products to the right place at the right time, which is supported by our abundant experiences, powerful production capability, consistent quality, diversified product portfolios and the control of the industry trend as well as our mature before and after sales services. We'd like to share our ideas with you and welcome your comments and questions.
By Elizabeth from Azerbaijan - 2017.12.09 14:01
Staff is skilled, well-equipped, process is specification, products meet the requirements and delivery is guaranteed, a best partner!
By Madeline from Guyana - 2017.11.01 17:04
