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Safety Data Sheet EN

Potassium hydroxide

CAS 1310-58-3

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01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
Potassium hydroxide
Product Code
221473
Chemical Name
Potassium hydroxide

Regulatory Identifiers

CAS Number
1310-58-3 Check regulations →
REACH No.
01-2119487136-33-XXXX

Identified Uses

Laboratory chemicals, Manufacture of substances

Manufacturers & Suppliers

S

Sigma-Aldrich Chemie GmbH

manufacturer

Eschenstrasse 5, D-82024 TAUFKIRCHEN

+49 (0)89 6513-1130

Emergency Contacts

CHEMTREC Deutschland

0800 181 7059

CHEMTREC weltweit

+49 (0)696 43508409

02

Hazard Identification

GHS classification, signal word, pictograms, and hazard statements

Classified danger

Hazard Classifications

Met. Corr. Cat. 1 H290
Acute Tox. Cat. 4 H302
Skin Corr. Cat. 1A H314
Eye Dam. Cat. 1 H318

GHS Pictograms

GHS05 - Corrosive

GHS05

GHS07 - Health hazard

GHS07

Hazard Statements

H290 May be corrosive to metals.
H302 Harmful if swallowed.
H314 Causes severe skin burns and eye damage.

Precautionary Statements

P234 Keep only in original packaging.
P260 Do not breathe dust.
P280 Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P312 IF SWALLOWED: Call a POISON CENTER/ doctor if you feel unwell.
P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

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03

Composition / Information on Ingredients

Chemical components, concentration ranges, and hazardous substance identification

Type substance

Substance name: Caustic potash

Chemical Name CAS Number Concentration Hazardous
caustic potash EC: 215-181-3 1310-58-3 90 - 100% Yes
04

First Aid Measures

Emergency procedures for chemical exposure incidents

Inhalation

After inhalation: fresh air. Call in physician.

Skin contact

In case of skin contact: Take off immediately all contaminated clothing. Rinse skin with water/ shower. Call a physician immediately.

Eye contact

After eye contact: rinse out with plenty of water. Immediately call in ophthalmologist. Remove contact lenses.

Ingestion

After swallowing: make victim drink water (two glasses at most), avoid vomiting (risk of perforation). Call a physician immediately. Do not attempt to neutralise.

Immediate Medical Attention

Call in physician immediately. Immediately call in ophthalmologist.

05

Firefighting Measures

Extinguishing media, specific hazards, and firefighter protection

Suitable media

Use extinguishing measures that are appropriate to local circumstances and the surrounding environment.

Unsuitable media

For this substance/mixture no limitations of extinguishing agents are given.

Specific hazards

Not combustible. Ambient fire may liberate hazardous vapours.

Firefighter Protection

Stay in danger area only with self-contained breathing apparatus. Prevent skin contact by keeping a safe distance or by wearing suitable protective clothing.

06

Accidental Release Measures

Spill cleanup procedures, containment, and environmental protection

Emergency procedures

Evacuate the danger area, observe emergency procedures, consult an expert.

Environmental

Do not let product enter drains.

Cleanup methods

Take up dry. Dispose of properly. Clean up affected area.

Related Products

Similar products with comparable safety profiles

07

Handling and Storage

Safe handling precautions, storage conditions, and workplace requirements

Handling

Immediately change contaminated clothing. Apply preventive skin protection. Wash hands and face after working with substance.

Storage

Tightly closed. Dry.

Hygiene

Immediately change contaminated clothing. Apply preventive skin protection. Wash hands and face after working with substance.

08

Exposure Controls / PPE

Occupational exposure limits, engineering controls, and protective equipment

Hands

Material : Nitrile rubber, Break through time : 480 min, Glove thickness : 0,11 mm, Protective index : Full contact, Manufacturer : KCL 741 Dermatril® L; Material : Nitrile rubber, Break through time : 480 min, Glove thickness : 0,11 mm, Protective index : Splash contact, Manufacturer : KCL 741 Dermatril® L; Remarks : This recommendation applies only to the product stated in the safety data sheet, supplied by us and for the designated use. When dissolving in or mixing with other substances and under conditions deviating from those stated in EN 16523-1 please contact the supplier of CE-approved gloves (e.g. KCL GmbH, D-36124 Eichenzell, Internet: www.kcl.de).

Eyes

Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Tightly fitting safety goggles

Respiratory

required when dusts are generated. Our recommendations on filtering respiratory protection are based on the following standards: DIN EN 143, DIN 14387 and other accompanying standards relating to the used respiratory protection system. Recommended Filter : Filter type P2. The entrepreneur has to ensure that maintenance, cleaning and testing of respiratory protective devices are carried out according to the instructions of the producer. These measures have to be properly documented.

Skin/Body

protective clothing

Environmental

Do not let product enter drains.

09

Physical and Chemical Properties

Appearance, physical state, melting point, boiling point, and material characteristics

Solubility
---
Metal Corrosion
May be corrosive to metals.
Evaporation Rate
No data available
Kinematic Viscosity
No data available
Molecular Weight
56,11 g/mol
Relative Density
---
Boiling Point
1.327 °C (1.013 hPa)
Solidification Point
---
State Under Standard Conditions
---
Properties Status
---
Decomposition Temperature
No data available
Flash Point
Not applicable
Solubility In Water
1.130 g/l (20 °C)
Density
2,04 g/cm3 (20 °C)
Melting Point
361 °C
Auto Ignition Temperature
Not applicable
Softening Point
---
Cloud Point
---
Vapor Pressure
1 hPa (719 °C)
Dynamic Viscosity
No data available
Solubility In Fat
---
Appearance
---
Crystallisation Point
---
Partition Coefficient
Not applicable for inorganic substances
Upper Explosive Limit
Not applicable
Ph
ca. 13,5 (25 °C)
Bulk Density
---
Odor
odourless
Freezing Point
---
Lower Explosive Limit
Not applicable
Physical State Data
solid
Physical State
solid
Flammability
---
Colour
colourless
Relative Evaporation Rate
---
Odor Threshold
Not applicable
Explosive Limits
---
Form
pellets
Vapor Density
---
Colour Intensity
---
Voc Content
---
10

Stability and Reactivity

Chemical stability, hazardous reactions, and incompatible materials

Stability

The product is chemically stable under standard ambient conditions (room temperature).

Reactivity

No data available

Avoid

Do not heat above melting point.

Incompatible

No data available

Decomposition

In the event of fire: see section 5

12

Ecological Information

Environmental toxicity, biodegradation, and bioaccumulation data

The data for this section has not been processed yet.

13

Disposal Considerations

Waste treatment methods, disposal recommendations, and waste codes

The data for this section has not been processed yet.

14

Transport Information

UN numbers, shipping names, transport classes, and regulatory requirements

UN Number
1813
Shipping Name
POTASSIUM HYDROXIDE, SOLID
Transport Class
8
Packing Group
II
15

Regulatory Information

Chemical regulations, safety assessments, and compliance status

The data for this section has not been processed yet.

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Frequently Asked Questions

Common questions about safety, handling, and properties

What is the hazard signal word for Potassium hydroxide?

The signal word is danger.

What is the physical form of Potassium hydroxide?

Potassium hydroxide is a solid with colourless color. It has odourless odor.

What is Potassium hydroxide used for?

Laboratory chemicals, Manufacture of substances

What are the hazard statements for Potassium hydroxide?

This substance has 3 hazard statements:

  • H290: May be corrosive to metals.
  • H302: Harmful if swallowed.
  • H314: Causes severe skin burns and eye damage.

What is the melting point of Potassium hydroxide?

The melting point is 361 °C and the boiling point is 1.327 °C (1.013 hPa).