Note: Ingredients listed on restricted chemical lists
EC/CAS
215-185-5/1310-73-2
Name of the chemical
sodium hydroxide
Concentration
(W/W) >= 48 % - < 52 %
General Information
Version
8.0
Revision date
2026-06-15
Product name
Caustic Soda 50%
1.2.1 Relevant identified uses
industrial chemicals
Emergency telephone
+49 180 2273-112
Icons in SDS
Company Information
company name
BASF SE
e-mail address of the competent person responsible for the Safety Data Sheet
product-safety-uk-and-ireland@basf.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H290, H314, H318
Hazard statements
Code
Statements
H290
May be corrosive to metals
Section 2
SECTION 2: Hazards identification
According to GB-CLP Regulations UK SI 2019/720 and UK SI 2020/1567 Classification of the substance or mixture For the classification of the mixture the following methods have been applied: extrapolation on the concentration levels of the hazardous substances, on basis of test results and after evaluation of experts. The methodologies used are mentioned at the respective test results According to GB-CLP Regulations UK SI 2019/720 and UK SI 2020/1567 Met. Corr. 1 Skin Corr. 1A Eye Dam. 1 H290 May be corrosive to metals H314 Causes severe skin burns and eye damage H318 Causes serious eye damage For the classifications not written out in full in this section the full text can be found in section 16
2.2 Label elements
According to GB-CLP Regulations UK SI 2019/720 and UK SI 2020/1567
Signal word
Danger
Hazard statements
H290 May be corrosive to metals. H314 Causes severe skin burns and eye damage.
Prevention
P280 Wear protective gloves, protective clothing and eye protection or face protection. P260 Do not breathe dust or mist. P264 Wash contaminated body parts thoroughly after handling. P234 Keep only in original packaging.
Response
P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or 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. P310 Immediately call a POISON CENTER or physician. P304 + P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P301 + P330 + P331 IF SWALLOWED: rinse mouth. Do NOT induce vomiting. P390 Absorb spillage to prevent material damage.
Storage
P405 Store locked up. P406 Store in corrosive resistant container with a resistant inner liner.
Precautionary statements
(Disposal) P501 Dispose of contents and container to hazardous or special waste collection point. Hazard determining component(s) for labelling: sodium hydroxide
2.3 Other hazards
According to GB-CLP Regulations UK SI 2019/720 and UK SI 2020/1567 If applicable information is provided in this section on other hazards which do not result in classification but which may contribute to the overall hazards of the substance or mixture. High risk of slipping due to leakage/spillage of product. Product does not contain a substance above legal limits included in the list established in
2.1 Classification of the substance or mixture
For the classification of the mixture the following methods have been applied: extrapolation on the concentration levels of the hazardous substances, on basis of test results and after evaluation of experts. The methodologies used are mentioned at the respective test results. According to GB-CLP Regulations UK SI 2019/720 and UK SI 2020/1567 Met. Corr. 1 H290 May be corrosive to metals. Skin Corr. 1A H314 Causes severe skin burns and eye damage. Eye Dam. 1 H318 Causes serious eye damage. For the classifications not written out in full in this section the full text can be found in section 16.