USD $25.00-25.00 / Kilogram
USD $5.00-100.00 / 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 $1.00-10.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
name: arbutin
cas:497-76-7
appearance:white powder
application: chemical intermediate
item |
specification |
appearance |
white crystalline powder |
melting point |
198-202°c |
clarity in water |
colorless,transparent |
ph (1% water solution) |
5.0-7.0 |
ipv |
1515cm-11220cm-11050cm-1 ±(5~8)cm-1 |
arsenic |
2ppm max |
hydroquinone |
10ppm max |
loss on drying |
0.5% max |
residue on ignition |
0.5% max |
heavy metals |
10ppm |
pathogen |
bacteria: ≤300 cfu/g fungus: ≤100 cfu/g |
assay |
99.5%min |