InChI key
KVBCYCWRDBDGBG-UHFFFAOYSA-N
InChI
1S/2FH.H3N/h2*1H;1H3
SMILES string
N.F.F
grade
technical
assay
≥95% NH4HF2 basis
form
scales
impurities
≤0.02% heavy metals (as Pb), ≤0.5% water (Karl Fischer), ≤5% NH4F
mp
125 °C (lit.)
anion traces
sulfate (SO42-): ≤2000 mg/kg, sulfite (SO32-): ≤100 mg/kg
cation traces
Fe: ≤500 mg/kg
suitability
clear for appearance of solution (10%)
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Other Notes
This product has been replaced by 224820-Sigma-Aldrich | Ammonium hydrogen difluoride, reagent grade, 95% | NH4HF2
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1B
存储类别
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges, type P3 (EN 143) respirator cartridges
法规信息
新产品
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