Note: Ingredients listed on restricted chemical lists
EC/CAS
1310-73-2
Name of the chemical
sodium hydroxide
Concentration
>97
General Information
Version
ALFAAA18395
Revision date
2026-07-22
Product name
Sodium hydroxide, flake
Product Synonyms
Caustic soda; Lye
CAS No.
1310-73-2
supplier name
Avocado Research Chemicals Ltd
Emergency telephone
001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Avocado Research Chemicals Ltd
e-mail address of the competent person responsible for the Safety Data Sheet
begel.sdsdesk@thermofisher.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H314
Hazard statements
Code
Statements
H314
Causes severe skin burns and eye damage
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Solid White Odorless Emergency Overview Causes severe skin burns and eye damage. Hygroscopic. Classification of the substance or mixture Skin Corrosion/Irritation Category 1 A Serious Eye Damage/Eye Irritation Category 1 Label Elements
Signal word
Danger Hazard Statements H314 - Causes severe skin burns and eye damage
Prevention
P264 - Wash face, hands and any exposed skin thoroughly after handling P271 - Use only outdoors or in a well-ventilated area 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 or shower P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing 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 doctor P363 - Wash contaminated clothing before reuse
Storage
P403 + P233 - Store in a well-ventilated place. Keep container tightly closed
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
Water reactive. Hygroscopic.
Health hazards
Corrosive. Causes skin and eye burns. Causes serious eye damage.
Environmental hazards
Contains no substances known to be hazardous to the environment or not degradable in waste water treatment plants. Will likely be mobile in the environment due to its water solubility. The product is water soluble, and may spread in water systems.
2.3 Other hazards
Toxic to terrestrial vertebrates. This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Skin Corrosion/Irritation Category 1 A Serious Eye Damage/Eye Irritation
