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Ammonium hydrogen difluoride_Molecular_structure_CAS_1341-49-7)
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Ammonium hydrogen difluoride

Catalog No. 09835 Name Sigma Aldrich
CAS Number 1341-49-7 Website http://www.sigmaaldrich.com
M. F. F2N Telephone 1-800-521-8956
M. W. 52.0035064 Fax
Purity ≥98.5% (F) Email
Storage Chembase ID: 147567

SYNONYMS

Title
二氟氢化铵
IUPAC name
amine dihydrofluoride
IUPAC Traditional name
amine dihydrofluoride
Synonyms
Ammonium bifluoride
蚀刻粉
双氟氨
Etching powder

DATABASE IDS

EC Number 215-676-4
CAS Number 1341-49-7
PubChem SID 24846460
MDL Number MFCD00012018

PROPERTIES

Antion Traces chloride (Cl-): ≤50 mg/kg
Antion Traces hexafluorosilicate ([NH4]2SiF6): ≤500 mg/kg
Antion Traces sulfate (SO42-): ≤100 mg/kg
Antion Traces sulfite (SO32-): ≤50 mg/kg
Cation Traces Ag: ≤5 mg/kg
Cation Traces Al: ≤5 mg/kg
Cation Traces Ba: ≤5 mg/kg
Cation Traces Bi: ≤5 mg/kg
Cation Traces Ca: ≤10 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤50 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤100 mg/kg
Cation Traces K: ≤50 mg/kg
Cation Traces Li: ≤5 mg/kg
Cation Traces Mg: ≤5 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Mo: ≤5 mg/kg
Cation Traces Na: ≤50 mg/kg
Cation Traces Ni: ≤100 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Sr: ≤5 mg/kg
Cation Traces Tl: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Grade puriss. p.a.
Linear Formula NH4HF2
Purity ≥98.5% (F)
Melting Point 125 °C(lit.)
GHS Pictograms GHS05
GHS Pictograms GHS06
GHS Signal Word Danger
GHS Hazard statements H301-H314
European Hazard Symbols Toxic Toxic (T)
European Hazard Symbols Corrosive Corrosive (C)
MSDS Link Download
Personal Protective Equipment Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
GHS Precautionary statements P280-P301 + P310-P305 + P351 + P338-P310
RID/ADR UN 1727 8/PG 2
Risk Statements 25-34
RTECS BQ9200000
Safety Statements 22-26-37-45
Hazard Class 8
UN Number 1727
Packing Group 2
German water hazard class 1

DETAILS

Description (English)
Other Notes
Reagent for the decomposition of silicates by fusion1,2
Description (简体中文)
Other Notes
通过熔融作用分解硅酸盐的试剂1,2

REFERENCES