Note: Ingredients listed on restricted chemical lists
EC/CAS
215-185-5/1310-73-2
Name of the chemical
sodium hydroxide
Concentration
>=3-<5%
General Information
Version
6.5
Revision date
2025-05-12
Product name
Stop/Developing Solution
CAS No.
1310-73-2
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)
H290, H314
Hazard statements
Code
Statements
H290
May be corrosive to metals
Section 2
SECTION 2: Hazards identification
2.1 Classification of the substance or mixture
Corrosive to metals, (Category 1) H290: May be corrosive to metals. Skin corrosion, (Sub-category H314: Causes severe skin burns and eye 1B) damage. Serious eye damage, (Category H318: Causes serious eye damage. 1)
Signal word
Danger Danger
Hazard statements
H290 May be corrosive to metals. H314 Causes severe skin burns and eye damage. H314 Causes severe skin burns and eye damage.
Precautionary statements
P234 Keep only in original packaging. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. 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. 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. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. 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. 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.
Supplemental label elements
none Reduced Labelling (<= 125 ml) none
Other hazards
This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher
ECOLOGICAL INFORMATION
The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.
TOXICOLOGICAL INFORMATION
The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.
