Identification
Product identifiers, regulatory numbers, and supplier information
Product Information
- Product Name
- Sodium hydroxide
- Chemical Name
- Sodium hydroxide
- Synonyms
- Caustic soda, solution (5-51%)
Regulatory Identifiers
- CAS Number
- N/A
- REACH No.
- 01-2119457892-27
Identified Uses
See table on the front page of the annex.
Uses advised against
This product is not recommended for any industrial, professional or consumer use other than identified in table on the front page of the annex. Not for use in ornamental articles, in tricks and jokes and in games (in accordance with Annex XVII to Regulation (EC) No 1907/2006) (3. Liquid substances or mixtures, which are fulfilling the criteria for any of the following hazard classes or categories set out in Annex I to Regulation (EC) No 1272/2008: (a) hazard classes 2.1 to 2.4, 2.6 and 2.7, 2.8 types A and B, 2.9, 2.10, 2.12, 2.13 categories 1 and 2, 2.14 categories 1 and 2, 2.15 types A to F, (b) hazard classes 3.1 to 3.6, 3.7 adverse effects on sexual function and fertility or on development, 3.8 effects other than narcotic effects, 3.9 and 3.10, (c) hazard class 4.1, (d) hazard class 5.1).
Manufacturers & Suppliers
BRENNTAG N.V.
national supplier
Nijverheidslaan 38 - BE-8540 DEERLIJK
+32(0)56/77.69.44
http://www.brenntag.be
BRENNTAG Nederland B.V.
national supplier
Donker Duyvisweg 44 - NL-3316 BM DORDRECHT
+31(0)78/65.44.944
http://www.brenntag.nl
Emergency Contacts
Antipoison Center - Brussels
+32(0)70/245.245
National Poisoning Information Center - Bilthoven
+31(0)30/274.88.88
Hazard Identification
GHS classification, signal word, pictograms, and hazard statements
Hazard Classifications
GHS Pictograms
GHS05
Hazard Statements
Precautionary Statements
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Composition / Information on Ingredients
Chemical components, concentration ranges, and hazardous substance identification
First Aid Measures
Emergency procedures for chemical exposure incidents
Remove victim into fresh air. Allow the affected person to rest in semi-sitting position. If not breathing, give artificial respiration. Seek medical attention immediately.
Remove contaminated clothing and shoes while rinsing. Rinse skin immediately with mild soap and plenty of water. (at least 20') (shower if necessary). Immediately call a POISON CENTER or doctor/physician.
Rinse immediately thoroughly and long (at least 15 min.) with plenty of water. Remove contact lenses after a few minutes rinse. Immediately call a POISON CENTER or doctor/physician. Keep rinsing or dripping the eye during transport.
DO NOT INDUCE VOMITING. Rinse mouth. Give victim plenty of water to drink. Take the patient IMMEDIATELY to the hospital.
Immediate Medical Attention
Seek medical attention immediately. Immediately call a POISON CENTER or doctor/physician. Take the patient IMMEDIATELY to the hospital.
Firefighting Measures
Extinguishing media, specific hazards, and firefighter protection
Extinguishing powder, Foam, Water spray.
Heavy water stream, Carbon dioxide (CO2).
Fire may liberate toxic and stinging vapours.
Apply water spray or fog to cool nearby equipment.
Firefighter Protection
Use self-contained breathing apparatus and wear protective clothes when in close proximity to fire.
Accidental Release Measures
Spill cleanup procedures, containment, and environmental protection
Evacuate all personnel immediately and ventilate area. Avoid breathing vapour and contact with skin, eyes and clothing. Wear recommended personal protective equipment.
Shut off leaks if without risks. Dike in the spilled product as much as possible with inert material. Prevent entry of product in public water, sewers or soil.
Collect the spillage in closable, corrosion resistant, suitable disposal containers. Dilute spilled liquid immediately with plenty of water - neutralise with acid. Rinse abundantly with water.
Related Products
Similar products with comparable safety profiles
Handling and Storage
Safe handling precautions, storage conditions, and workplace requirements
AVOID FOG TRANSFORMATION! AVOID EVERY CONTACT!! Avoid breathing vapour and contact with skin, eyes and clothing. Wear recommended personal protective equipment. (See section 8). When diluting: add the basic solution in water, never the other way around. When dissolving or diluting the product in water, heat and mist may develop.
Keep only in the original, safely locked container in a cool and well ventilated place.
When using, do not eat, drink or smoke.
Exposure Controls / PPE
Occupational exposure limits, engineering controls, and protective equipment
Ventilation , Local exhaust .
Suitable material for safety gloves (EN 374): The suitability of the gloves and the breakthrough time for a specific workplace should be discussed with the producers of the protective gloves. - material : Nitril rubber - thickness : 0.35 mm - breakthrough time : > 480'
Closed safety glasses or face shield.
CE-approved gas respirator ( Filter type B/P2).
Corrosion-proof protective clothing.
See sections 6, 7, 12 and 13.
Physical and Chemical Properties
Appearance, physical state, melting point, boiling point, and material characteristics
Stability and Reactivity
Chemical stability, hazardous reactions, and incompatible materials
Stable at normal circumstances.
Reacts violently with: Halogenated hydrocarbons, Ammonium salts, Acids, Water. Corrosive to metals.
Exothermic reaction with: Water, Acids. Contact with metallic substances may release inflammable hydrogen gas. Reacts with Ammonium salts -> Creation of: Ammonia. Can react with sugar residues to form Carbon monoxide.
Contact with water.
Halogenated hydrocarbons, Ammonium salts, Acids, Aluminium, Magnesium, Copper, Zinc, Wool, Lether, Polyester.
Ammonia, Hydrogen.
Ecological Information
Environmental toxicity, biodegradation, and bioaccumulation data
12.1. Toxicity
12.1. Toxicity
12.2. Persistence and degradability
12.2. Persistence and degradability
Inorganic substance.
12.2. Persistence and degradability
Potassium hydroxide is inorganic.
12.3. Bioaccumulative potential
12.3. Bioaccumulative potential
12.4. Mobility in soil
12.5. Results of PBT and vPvB assessment
12.6. Other adverse effects
No data available for photochemical ozone creation potential, endocrine disrupting potential, or global warming potential. Ozone depletion potential is reported as None.
Disposal Considerations
Waste treatment methods, disposal recommendations, and waste codes
The product has to be destroyed according to national or local legislation, by a company specialised in handling hazardous waste products.
The product has to be destroyed according to national or local legislation, by a company specialised in handling hazardous waste products.
Waste Codes
Transport Information
UN numbers, shipping names, transport classes, and regulatory requirements
- UN Number
- 1824
- Shipping Name
- Sodium hydroxide solution
- Transport Class
- 8
- Packing Group
- II
Regulatory Information
Chemical regulations, safety assessments, and compliance status
NFPA n° : 3-0-1; Decontamination exertion : 2
Frequently Asked Questions
Common questions about safety, handling, and properties
What other names is Sodium hydroxide known by?
Sodium hydroxide is also known as: Caustic soda, solution (5-51%)
What is the hazard signal word for Sodium hydroxide?
The signal word is danger.
What is the physical form of Sodium hydroxide?
Sodium hydroxide is a liquid appearing as clear, colourless with colourless color. It has odourless odor.
What is Sodium hydroxide used for?
See table on the front page of the annex.
What are the hazard statements for Sodium hydroxide?
This substance has 2 hazard statements:
- H290: May be corrosive to metals.
- H314: Causes severe skin burns and eye damage.
What is the melting point of Sodium hydroxide?
The melting point is -17 °C (10%), 12 °C (50%) and the boiling point is 111 - 145 °C (25-50%).