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Merck

01-4440

Ammonium hydrogen difluoride

SAJ special grade, ≥98.5%

Synonym(s):

Ammonium bifluoride, Etching powder

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About This Item

Linear Formula:
NH4HF2
CAS Number:
Molecular Weight:
57.04
UNSPSC Code:
12352300
PubChem Substance ID:
EC Number:
215-676-4
MDL number:

Product Name

Ammonium hydrogen difluoride, SAJ special grade, ≥98.5%

InChI key

KVBCYCWRDBDGBG-UHFFFAOYSA-N

InChI

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

SMILES string

N.F.F

grade

SAJ special grade

assay

≥98.5%

form

crystalline

availability

available only in Japan

mp

125 °C (lit.)

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pictograms

Skull and crossbonesCorrosion

signalword

Danger

hcodes

Hazard Classifications

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

Storage Class

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


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Hiroko Sano et al.
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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)
Non-Hodgkin lymphomas (NHLs) are the most common cancer to affect pet dogs. In contrast to the many genes whose mutation contributes to lymphomagenesis in humans, relatively little is known about the acquired genetic alterations that lead to canine B-cell lymphomas
You-Qing Cai et al.
Molecular pain, 10, 70-70 (2014-11-21)
The rostral ventromedial medulla (RVM) is a key brainstem structure that conveys powerful descending influence of the central pain-modulating system on spinal pain transmission and processing. Serotonergic (5-HT) neurons are a major component in the heterogeneous populations of RVM neurons
L Touahir et al.
Bioelectrochemistry (Amsterdam, Netherlands), 80(1), 17-25 (2010-05-18)
(111) silicon surfaces can be controlled down to atomic level and offer a remarkable starting point for elaborating nanostructures. Hydrogenated surfaces are obtained by oxide dissolution in hydrofluoric acid or ammonium fluoride solution. Organic species are grafted onto the hydrogenated
Sebastian Ribi et al.
Oncotarget, 6(10), 7727-7740 (2015-03-13)
Somatic mutations of TP53 are among the most common in cancer and germline mutations of TP53 (usually missense) can cause Li-Fraumeni syndrome (LFS). Recently, recurrent genomic rearrangements in intron 1 of TP53 have been described in osteosarcoma (OS), a highly

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