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Merck
CN

40207

Ammonium fluoride – hydrofluoric acid mixture

AF 875-125, etching mixture

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About This Item

Linear Formula:
NH4F · HF
CAS Number:
UNSPSC Code:
12352300
MDL number:
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CofA

specification on request

General description

Also known as buffered oxide etch, popularly used as a etchant. 1

Application

It was used as a buffered oxide etch (BOE) bath to dissolve photoresist.1

Legal Information

PURANAL is a trademark of Honeywell Specialty Chemicals Seelze GmbH


pictograms

Skull and crossbonesCorrosion

signalword

Danger

Hazard Classifications

Acute Tox. 2 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1B

Storage Class

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

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