FOB Price
Obtener el precio más reciente1650 ~ 1850 / Metric Ton ( Negotiable )
|Minimum Order
Place of Origin:
china
Price for Minimum Order:
Minimum Order Quantity:
16 Metric Ton
Packaging Detail:
25kg/bag 16MT/20’FCL
Delivery Time:
within 2 weeks after received advance payment
Supplying Ability:
800 Metric Ton per Month
Payment Type:
T/T, L/C, Other
Persona de contacto sale06-cn.sale01.061117
Huaite Huatang Jurui 6-1-2606 Yuhua District, Shijiazhuang, Hebei
Phthalic anhydride is widely used in industry for the production of certain dyes. A well-known application of this reactivity is the preparation of the anthroquinone dye quinizarin by reaction with para-chlorophenol followed by hydrolysis of the chloride.
| Item | Index | ||
| Top grade | First grade | Qualified product | |
| Appearance | white scaly or crystalline powder | white scaly or crystalline powder with slight colors | |
| molten Chroma(Chroma no. )≤ | *0 | *0 | **0 |
| thermostable Chroma(Chroma no. )≤ | *0 | **0 | - |
| Chroma of vitriol(Chroma no. )≤ | *0 | **0 | **0 |
| crystallization point°C≥ | **0.5 | **0.3 | **0.0 |
| Purity(mass fraction)%≥ | *9.*0 | *9.*0 | *9.*0 |
| Free acid(mass fraction)≤ % | 0.*0 | 0.*0 | 0.*0 |
| Ash(mass fraction)%≤ | 0.*5 | - | - |
