USD $1.00-1.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
1,iso certificate 2,factory price 3,free sample and fast delivery
description
chemical name, pyrocatechol
cas no, 120-80-9
einecs no, 204-427-5
molecular formula , c6h6o2
molecular weight,110.11
specification
items | specification | results |
appearance | white or off white crystal | confirms |
purity,% | ≥99.0 | 99.5 |
melting point,℃ | 152-156 | 154.1-154.9 |
loss on drying,% | ≤1 | 0.43 |
ignition residue,% | ≤0.1 | 0.09 |
chloride,mg/kg | ≤100 | 25 |
heavy metal,% | ≤0.001 | 0.0005 |
arsenic,% | ≤0.0001 | 0.00008 |
ferrum,% | ≤0.001 | 0.0002 |
microbiological test | bacteria:≤3000cfu/g | <1000 |
eumycete:≤50cfu/g | <10 | |
coli-index,negative |
negative |
application
food additives
cosmetic ingredients
medicine grade
packing
25 kg drum packing,9 mt per container with pallets