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
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
>=10-<20 >=7% 1-<7% 0.1-<1%
General Information
Version
8.5
Revision date
2026-08-14
Product name
Buffer HF improved
Emergency telephone
+(353)-19014670
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)
H300, H300+H310+H330, H310, H314, H318, H330
Hazard statements
Code
Statements
H300
Fatal if swallowed
Section 2
SECTION 2: Hazards identification
Regulation (EC) No. 1272/2008 Classification of the substance or mixture
Signal word
Danger
Hazard statements
H300 + H310 + H330 Fatal if swallowed, in contact with skin or if inhaled. H314 Causes severe skin burns and eye damage.
Precautionary statements
P260 Do not breathe mist or vapours. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection.
Response
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 Hydrofluoric acid
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 2 H300: Fatal if swallowed. Acute toxicity, Category 2 H330: Fatal if inhaled. Acute toxicity, Category 1 H310: Fatal in contact with skin. Skin corrosion, Sub-category 1A H314: Causes severe skin burns and eye damage. Serious eye damage, Category 1 H318: Causes serious eye damage.
