MilliporeSigma
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455830

Sigma-Aldrich

Ammonium hydrogen difluoride

99.999% trace metals basis

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Synonym(s):
Ammonium bifluoride, Etching powder
Linear Formula:
NH4HF2
CAS Number:
1341-49-7
Molecular Weight:
57.04
EC Number:
215-676-4
MDL number:
MFCD00012018
eCl@ss:
38050109
PubChem Substance ID:
24869086
NACRES:
NA.23

Quality Level

100

assay

99.999% trace metals basis

form

crystalline

impurities

≤15.0 ppm Trace Metal Analysis

mp

125 °C (lit.)

SMILES string

N.F.F

InChI

1S/2FH.H3N/h2*1H;1H3

InChI key

KVBCYCWRDBDGBG-UHFFFAOYSA-N

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Application

Used for the preparation of ammonium aminosilylfluorides and complex metal fluorides. Employed in a new hydrothermal synthesis of complex flourides NaHoF4 and NaEuF4; these interesting compounds have the fluorite structure and are important for solid-state lasers as well as for photoluminescence and magnetic characteristics

Packaging

25, 100 g in poly bottle

Pictograms

CorrosionSkull and crossbones
GHS05,GHS06

Signal Word

Danger

Hazard Statements

H301 - H314

Hazard Classifications

Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1B

Storage Class Code

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

More documents

Structure Search

Quotes and Ordering

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Chemical Communications (Cambridge, England), 1641-1641 (1996)
Zeitschrift fur Anorganische und Allgemeine Chemie, 622, 1646-1646 (1996)
Xun, X. et al.
Chemistry of Materials, 9, 2966-2966 (1997)
Hiroko Sano et al.
PLoS genetics, 11(5), e1005209-e1005209 (2015-05-29)
The coordination of growth with nutritional status is essential for proper development and physiology. Nutritional information is mostly perceived by peripheral organs before being relayed to the brain, which modulates physiological responses. Hormonal signaling ensures this organ-to-organ communication, and the
Kevin R Bushell et al.
Blood, 125(6), 999-1005 (2014-12-04)
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