Note: Ingredients listed on restricted chemical lists
EC/CAS
235-185-9/12125-01-8
Name of the chemical
Ammonium fluoride
Concentration
>=30-<50
EC/CAS
200-580-7/64-19-7
Name of the chemical
acetic acid
Concentration
>=25-<30 >=90% 25-<90% 10-<25% 10-<25% >80%
EC/CAS
231-634-8/7664-39-3
Name of the chemical
Hydrofluoric acid, its normal salts, its complexes and hydrofluorides with the exception of those given in Annex III
Concentration
>=1-<3 >=7% 1-<7% 0.1-<1%
General Information
Version
8.7
Revision date
2026-08-14
Product name
Buffered oxide etchant (BOE) 6:1 with surfactant
Emergency telephone
+(353)-19014670, 01 809 2166
Icons in SDS
Company Information
company name
Merck Life Science Limited
e-mail address of the competent person responsible for the Safety Data Sheet
TechnicalService@merckgroup.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H301, H301+H311, H311, H314, H318, H332
Hazard statements
Code
Statements
H301
Toxic if swallowed
Section 2
SECTION 2: Hazards identification
Regulation (EC) No. 1272/2008 Classification of the substance or mixture
Signal word
Danger Danger
Hazard statements
H301 + H311 Toxic if swallowed or in contact with skin. H314 Causes severe skin burns and eye damage. H332 Harmful if inhaled. H314 Causes severe skin burns and eye damage. H301 + H311 Toxic if swallowed or in contact with skin.
Precautionary statements
P261 Avoid breathing mist or vapours. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P310 + P330 IF SWALLOWED: Immediately call a POISON CENTER/ doctor. Rinse mouth. P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P304 + P340 + P310 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Response
P301 + P310 + P330 IF SWALLOWED: Immediately call a POISON CENTER/ doctor. Rinse mouth. P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P304 + P340 + P310 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Hazardous Ingredients
Ammonium fluoride acetic acid Hydrofluoric acid Reduced Labelling (<= 125 ml)
Supplemental label elements
none
2.3 Other hazards
This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.
ECOLOGICAL INFORMATION
The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.
TOXICOLOGICAL INFORMATION
The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.
2.1 Classification of the substance or mixture
Classification (REGULATION (EC) No 1272/2008) Acute toxicity, Category 3 H301: Toxic if swallowed. Acute toxicity, Category 4 H332: Harmful if inhaled. Acute toxicity, Category 3 H311: Toxic in contact with skin. Skin corrosion, Sub-category 1B H314: Causes severe skin burns and eye damage. Serious eye damage, Category 1 H318: Causes serious eye damage.