Note: Ingredients listed on restricted chemical lists
EC/CAS
215-185-5/1310-73-2
Name of the chemical
sodium hydroxide
Concentration
50%
General Information
Version
12 (Replaces Version 11
Revision date
2026-04-20
Product name
Liquid Caustic Soda 50% Membrane Grade
Product Synonyms
Sodium Hydroxide 50%
Emergency telephone
+1 (800) 424-9300, +1 (703) 527-3887
Icons in SDS
Company Information
company name
Formosa Plastics Corporation
e-mail address of the competent person responsible for the Safety Data Sheet
MSDS@fpcusa.com, if.reach@intertek.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H314, H318
Hazard statements
Code
Statements
H314
Causes severe skin burns and eye damage
Section 2
SECTION 2: Hazards identification
· Classification according to Regulation (EC) No 1272/2008 Classification of the Substance or Mixture
Precautionary statements
P260 Do not breathe dusts or mists. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection. (Contd. on page 2) EU (Contd. of page 1) 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 [or shower]. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P310 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. P363 Wash contaminated clothing before reuse. P405 Store locked up. P501 Dispose of contents/container in accordance with local/regional/national/international regulations.
Additional information
If you do not understand the hazards or safety precautions described in this data sheet, contact your supervisor or safety administrator before handling this product.
2.1 Classification of the substance or mixture
· Classification according to Regulation (EC) No 1272/2008 Skin Corr. 1A H314 Causes severe skin burns and eye damage. Eye Dam. 1 H318 Causes serious eye damage. · Hazards Not Otherwise Classified: May be harmful if swallowed. · Hazard Pictograms: d ~ GHS05