Note: Ingredients listed on restricted chemical lists
EC/CAS
2809-21-4
Name of the chemical
(1-Hydroxyethylidene-diphosphonic acid) and its salts
Concentration
100%
General Information
Version
01
Revision date
2026-08-27
Product name
Etidronic acid
CAS No.
2809-21-4
Icons in SDS
Company Information
company name
ChemScene LLC
e-mail address of the competent person responsible for the Safety Data Sheet
sales@chemscene.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H302, H314, H413
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture
Signal word
Danger
Hazard statements
H302 Harmful if swallowed H314 Causes severe skin burns and eye damage H413 May cause long lasting harmful effects to aquatic life
Prevention
P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling P280 Wear protective gloves/protective clothing/eye protection/face protection.
Response
P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage
P405 Store locked up.
Disposal
P501 Dispose of contents/container to in accordance with local regulation.
2.3 Other hazards
None.
2.1 Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) Acute toxicity, oral (Category 4),H302 Skin corrosion/irritation (Category 1A, 1B, 1C),H314 Hazardous to the aquatic environment, long-term hazard (Category 4),H413
