Millipore Sigma Vibrant Logo
Attention: We have moved. Merck Millipore products are no longer available for purchase on MerckMillipore.com.Learn More

105029 Potassium hydroxide

pellets for analysis (max. 0.05% Na) EMSURE® ACS,Reag. Ph Eur

Potassium hydroxide MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: Potash caustic

CAS #: 1310-58-3 EC Number: 215-181-3 Molar Mass: 56.11 g/mol Chemical Formula: KOH Hill Formula: HKO Grade: ACS,Reag. Ph Eur
105029
Purchase on Sigma-Aldrich

Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
1310-58-3215-181-3HKOKOH56.11 g/molACS,Reag. Ph Eur

Products

Catalogue NumberPackaging Qty/Pack
1.05029.1000 Plastic bottle 1 kg
1.05029.9050 Fibre carton 50 kg
Description
Catalogue Number105029
SynonymsPotash caustic
References
Product Information
CAS number1310-58-3
EC index number019-002-00-8
EC number215-181-3
GradeACS,Reag. Ph Eur
Hill FormulaHKO
Chemical formulaKOH
Molar Mass56.11 g/mol
HS Code2815 20 00
Quality LevelMQ300
Applications
Biological Information
Physicochemical Information
Density2.04 g/cm3 (20 °C)
Melting Point380 °C
pH value13.5 (5.6 g/l, H₂O, 25 °C)
Vapor pressure1 hPa (719 °C)
Solubility1130 g/l
Dimensions
Materials Information
Toxicological Information
LD 50 oralLD50 Rat 333 mg/kg
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s)H290: May be corrosive to metals.
H302: Harmful if swallowed.
H314: Causes severe skin burns and eye damage.
Precautionary Statement(s)P234: Keep only in original packaging.
P260: Do not breathe dust.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing 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.
Signal WordDanger
RTECSTT2100000
Storage class8B Non-combustible, corrosive hazardous materials
WGKWGK 1 slightly hazardous to water
Disposal13
Bases and alcoholates should be diluted if necessary by carefully stirring them into water and then neutralized (protective gloves, fume cupboard!) with hydrochloric acid (Cat. No. 100312). Before placing in container D, check the pH with pH universal indicator strips (Cat. No. 109535).
Safety Information
Categories of dangerharmful, corrosive
Product Usage Statements
Storage and Shipping Information
StorageStore at +2°C to +30°C.
Packaging Information
Transport Information
Declaration (railroad and road) ADR, RIDUN 1813 , 8, II
Declaration (transport by air) IATA-DGRUN 1813 , 8, II
Declaration (transport by sea) IMDG-CodeUN 1813 , 8, II, Segregation Group: 18 (Alkalis)
Supplemental Information
Specifications
Assay (KOH)85.0 - 100.5 %
Assay (total alkalinity calc. as KOH)85.0 - 100.5 %
Identitypasses test
Appearance of solutionpasses test
Carbonate (K₂CO₃)≤ 1.0 %
Chloride (Cl)≤ 0.01 %
Phosphate (PO₄)≤ 0.0005 %
Silicate (SiO₂)≤ 0.005 %
Sulfate (SO₄)≤ 0.0005 %
Total nitrogen (N)≤ 0.0005 %
Heavy metals (ACS)≤ 0.001 %
Al (Aluminium)≤ 0.001 %
Ca (Calcium)≤ 0.001 %
Fe (Iron)≤ 0.0005 %
Mg (Magnesium)≤ 0.002 %
Na (Sodium)≤ 0.05 %
Ni (Nickel)≤ 0.0005 %
Global Trade Item Number
Catalogue Number GTIN
1.05029.1000 04022536059440
1.05029.9050 04022536059464

Related Products & Applications

Related Products

Catalogue Number Description
105012 Potassium hydroxide
105033 Potassium hydroxide

Related Products By: Brand Facete

EMSURE®

Categories

Analytics and Sample Preparation > Reagents for Pharmacopoeia Analysis > Caustics for Pharmacopoeia Analysis
Reagents, Chemicals and Labware > Inorganic Reagents > Classical Inorganic Analysis > Caustic alkalis and bases EMSURE®, EMPLURA®
Analytics and Sample Preparation > Analytical Sample Preparation > Dissolution / Digestion