Note: Ingredients listed on restricted chemical lists
EC/CAS
7664-38-2
Name of the chemical
phosphoric acid
Concentration
>=90-<=100
General Information
Version
6.5
Revision date
2025-08-26
Product name
Phosphoric acid
CAS No.
7664-38-2
1.2.1 Relevant identified uses
For R&D use only. Not for pharmaceutical, household or other uses
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)
H290, H302, H314
Hazard statements
Code
Statements
H290
May be corrosive to metals
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture Corrosive to metals Category 1 Acute toxicity (Oral) Category 4 Skin corrosion/irritation Category 1 Serious eye damage/eye irritation Category 1
Signal word
Danger
Hazard statements
H290 May be corrosive to metals. H302 Harmful if swallowed. H314 Causes severe skin burns and eye damage.
Prevention
P234 Keep only in original packaging. P264 Wash skin thoroughly after handling. P270 Do not eat, drink or smoke when using this prod- uct. 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): 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. P390 Absorb spillage to prevent material damage.
Disposal
P501 Dispose of contents/ container to an approved waste disposal plant.
Other hazards which do not result in classification
None known.
2.1 Classification of the substance or mixture
Corrosive to metals : Category 1 Acute toxicity (Oral) : Category 4 Skin corrosion/irritation : Category 1 Serious eye damage/eye : Category 1 irritation
