USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
99.5% min photo grade hydroquinone
99.5% min photo grade hydroquinone
name of product: hydroquinone photo grade
quantity:500kgs un:2662 cas:123-31-9 mf:c6h6o2
item |
specifications |
results |
appearance |
white or off-white crystal powder |
white crystal powder |
assay% |
99.0-100.5 |
99.70 |
melting point℃ |
171.0-175.0 |
171.3-173.5 |
solubility |
eligible |
pass the test |
ignition residue |
≤0.05% |
0.035 |
heavy metal(pb) |
≤0.002% |
0.001 |
iron(fe) |
≤0.002% |
0.001 |
conclusion |
qualified |
remarks: we may make special specification according to your requirements.