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
>=10-<20
General Information
Version
6.10
Revision date
2025-04-30
Product name
Buffered oxide etchant (BOE) 6:1
1.2.1 Relevant identified uses
Laboratory chemicals, Synthesis of substances
1.2.2. Uses advised against
The product is being supplied under the TSCA R&D Exemption
Emergency telephone
800-424-9300, +1-703- 527-3887
Icons in SDS
Company Information
company name
Sigma-Aldrich Inc
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H300+H310, H314, H331
Hazard statements
Code
Statements
H300+H310
Fatal if swallowed or in contact with skin
Section 2
SECTION 2: Hazards identification
Other hazards
None known
Signal word
Danger
Hazard statements
H300 + H310 Fatal if swallowed or in contact with skin. H314 Causes severe skin burns and eye damage. H331 Toxic if inhaled.
Prevention
P261 Avoid breathing mist or vapors. P262 Do not get in eyes, on skin, or on clothing. P264 Wash skin thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection.
Response
P301 + P310 + P330 IF SWALLOWED: Immediately call a POISON CENTER/ doctor. Rinse mouth. P301 + P330 + P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P302 + P350 + P310 IF ON SKIN: Gently wash with plenty of soap and water. Immediately call a POISON CENTER or doctor/ physician. P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower. P304 + P340 + P310 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor. P305 + P351 + P338 + P310 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/ doctor. P362 Take off contaminated clothing and wash before reuse.
Storage
P403 + P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up.
Disposal
P501 Dispose of contents/ container to an approved waste disposal plant.
2.1 Classification of the substance or mixture
(29 CFR 1910.1200) Acute toxicity (Oral) : Category 2 Acute toxicity : Category 3 (Inhalation) Acute toxicity (Dermal) : Category 1 Skin corrosion : Category 1A Serious eye damage : Category 1 Other hazards
