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Safety Information

224820

Sigma-Aldrich

Ammonium hydrogen difluoride

reagent grade, 95%

Synonym(s):

Ammonium bifluoride, Etching powder

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About This Item

Linear Formula:
NH4HF2
CAS Number:
1341-49-7
Molecular Weight:
57.04
EC Number:
215-676-4
MDL number:
MFCD00012018
UNSPSC Code:
12352300
eCl@ss:
38050109
PubChem Substance ID:
329752320
NACRES:
NA.55

grade

reagent grade

Assay

95%

form

crystals
flakes

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

Employed in a new hydrothermal synthesis of complex flourides NaHoF4 and NaEuF4 these interesting compounds have the fluorite structure and are important forsolid-state lasers as well as for photoluminescence and magnetic characteristics.

Pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PDSCL

Deleterious substance

PRTR

Class I Designated Chemical Substances

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

224820-25G:4548173118949
224820-500G:4548173118956
224820-6X500G:4548173251240
224820-BULK:
224820-VAR:
224820-2.5KG:4548173118932

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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