Note: Ingredients listed on restricted chemical lists
EC/CAS
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
>=30-<50
General Information
Version
8.8
Revision date
2025-07-15
Product name
Hydrofluoric acid 40% Suprapur
CAS No.
7664-39-3
1.2.1 Relevant identified uses
Reagent for analysis, Chemical production
Emergency telephone
+65 3158 1349
Icons in SDS
Company Information
company name
Sigma-Aldrich Pte Ltd
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+H310+H330, H314
Hazard statements
Code
Statements
H300+H310+H330
Fatal if swallowed, in contact with skin or if inhaled
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture Acute toxicity (Oral) Category 2 Acute toxicity (Inhalation) Category 2 Acute toxicity (Dermal) Category 1 Skin corrosion/irritation Category 1 Serious eye damage/eye irritation Category 1
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.
Prevention
P260 Do not breathe mist or vapours. P262 Do not get in eyes, on skin, or on clothing. P264 Wash skin thoroughly after handling. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. P284 Wear respiratory protection.
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. Immedi- ately call a POISON CENTER/ doctor. P305 + P351 + P338 + P310 IF IN EYES: Rinse cau- tiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/ doctor.
Storage
P403 + P233 Store in a well-ventilated place. Keep container tightly closed.
Other hazards which do not result in classification
None known.
2.1 Classification of the substance or mixture
Acute toxicity (Oral) : Category 2 Acute toxicity (Inhalation) : Category 2 Acute toxicity (Dermal) : Category 1 Skin corrosion/irritation : Category 1 Serious eye damage/eye : Category 1 irritation
