USD $6.00-9.00 / Gram
USD $5.00-10.00 / Gram
USD $10.00-100.00 / Kilogram
USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
USD $1.00-10.00 / Kilogram
USD $6.00-9.00 / Gram
USD $5.00-10.00 / Gram
naphazoline hydrochloride 550-99-2
high purity
consistent quality naphazoline hydrochloride
competitive price
running stock
items | specifications | results |
appearance | white crystalline powder | pass |
assay | 99.0%~101.0% | 99.77% |
melting point | 254.0~260.0℃ | 254.1~257.7℃ |
loss on drying | 0.50% max | 0.10% |
ph | 5.0~6.5 | 6 |
residue on ignition | 0.20% max | 0.08% |
total impurities | not more than 2.0% | pass |
alcohol | not more than 300 ppm |
pass |