Pmk Ethyl Glycidate CAS 28578-16-7 Pmk Oil Pmk Powder
CAS NO.: 28578-16-7
Purity :
Compound | hydroquinone | ||||
---|---|---|---|---|---|
CAS No. | 123-31-9 | Catalog No. | 20210302 | Brand | mojin |
Purity | 99% | Packing | 1kg | Grade | |
Lead Time | 5Day (s) | Origin | ChinaHebeiShijiazhuang | Loading Port | China,Hebei,Shijiazhuang |
Boiling Point | 285-287ºC |
---|---|
Stability | Stable. Combustible. Incompatible with strong oxidizing agents, strong bases, oxygen, ferric salts. Light and air-sensitive. Discolours in air. |
Appearance & Physical State | off-white powder or white needle-like crystals |
Water Solubility | 70 g/L (20 ºC) |
Flash Point | 165ºC |
Refractive Index | 1.689 |
Density | 1.332 |
Melting Point | 170-174ºC |
Vapor Density | 3.81 (vs air) |
Vapor Pressure | 1 mm Hg ( 132 °C) |
Product name:China wholesae price hydroquinone CAS 123-31-9 hydroquinone powder
Hydroquinone is an organic compound. Hydroquinone is a compound in which two para-hydrogens of benzene are replaced by a hydroxyl group. White crystals. Also called - hydroquinone, toxic, adult mistakenly take 1 gram, you can have headaches, dizziness, tinnitus, pale and other symptoms. Hydroquinone is flammable when exposed to open flames and high heat. Hydroquinone can be chemically reacted by contact with a strong oxidizing agent. Hydroquinone is liberated by toxic gases by high heat. Hydroquinone is mainly used to prepare black and white developers, anthraquinone dyes, azo dyes, rubber antioxidants, stabilizers and antioxidants.
Specification
Appearance
White acicular crystal or crystal powder
White crystals
Content
99.00~100.50%
99.53%
Melting point
171~175°C
171.0~173.0°C
Iron (Fe)
≤0.002%
0.0018%
Heavy metals (as Pb)
≤0.002%
≤0.002%
Residue after ignition
≤0.100%
0.087%
Conclusion
The results conforms with GB/T23959-2009 standards
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