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This product is a light stabilizer with good performance, capable of absorbing the UV radiation of 240-340 nm wavelength with the characteristics of light color, nontoxic, good ...
Last Updated: 2009-11-04
Specification:
Appearance: Yellowish crystalline podwer
Content: ¡Ý99%
Melting Point: 143~146 C
Loss on Drying: ¡Ü0.5%
Light Transmittance 290nm¡Ý630
Last Updated: 2009-11-04
Specification:
Content ¡Ý99 %
Melting Point: 62~65 C
Loss on drying(55 C) ¡Ü0.3%
Content of Ash: ¡Ü0.1%
Light Transmittance(290-400nm)¡Ý 93 %
Last Updated: 2009-11-04
Specification:
Appearancr: White or light yellow crystalline powder
Content: ¡Ý99.0%
Melting Point: ¡Ý140 C
Loss on drying: A. 5.0%max b. 3.0% max
pH value: 1.2-2.2
Heavy ...
Last Updated: 2009-11-04
Property: Yellow liquid, freely soluble in chlorobenzene, diethoxy-membrane etc. Capable of being compatibly dissolved in water, alcohol and acetic acid. It enjoys strong reducing ...
Last Updated: 2009-11-04
Specification
Appearance: Wine liquid
Content ¡Ý 40%
¡Ý48%
Acidity ¡Ý 115%
Free Bromine ¡Ü 0.08%
Cl - Content ¡Ü0.05%
Use: Applicable to the synthesis of sedatives, ...
Last Updated: 2009-11-04
Specification:
Appearance: White crystal
Content: ¡Ý 99%
Melting Point: 178-180 C
TLC: Pass
Loss on Drying¡Ü0.4%
Ash ¡Ü0.3%
Use: As an important pharmaceutical and ...
Last Updated: 2009-11-04
Specification:
Appearance: White crystal
Content ¡Ý 99%
Boiling Point 173~177 C
Water Solubility: Qualified
Use:
This product is a raw material for pharmaceutical ...
Last Updated: 2009-11-04