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101961 Potassium tetraoxalate dihydrate

Potassium tetraoxalate dihydrate certified secondary standard reference material for pH measurement; directly traceable to primary reference material from NIST/PTB pH (S) = 1.67₉ (25°C) Certipur®. pH 1.7 (12.6 g/l, H₂O, 25 °C).

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

Synonyms: Potassium hydrogen oxalate-oxalic acid-water (1/1/2)

CAS #: 6100-20-5 EC Number: 204-874-6 Molar Mass: 254.20 g/mol Hill Formula: C₄H₃KO₈ * 2 H₂O
101961
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Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaMolar Mass
6100-20-5204-874-6C₄H₃KO₈ * 2 H₂O254.20 g/mol

Products

Catalogue NumberPackaging Qty/Pack
1019610025 25 g
Description
Catalogue Number101961
SynonymsPotassium hydrogen oxalate-oxalic acid-water (1/1/2)
References
Product Information
CAS number6100-20-5
EC index number607-007-00-3
EC number204-874-6
Hill FormulaC₄H₃KO₈ * 2 H₂O
Molar Mass254.20 g/mol
HS Code2917 11 00
Quality LevelMQ300
Applications
ApplicationPotassium tetraoxalate dihydrate certified secondary standard reference material for pH measurement; directly traceable to primary reference material from NIST/PTB pH (S) = 1.67₉ (25°C) Certipur®. pH 1.7 (12.6 g/l, H₂O, 25 °C).
Biological Information
Physicochemical Information
Density1.84 g/cm3 (20 °C)
pH value1.7 (12.6 g/l, H₂O, 25 °C)
Bulk density860 kg/m3
Solubility25 g/l
Dimensions
Materials Information
Toxicological Information
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Statement(s)H302 + H312: Harmful if swallowed or in contact with skin.
H319: Causes serious eye irritation.
Precautionary Statement(s)P264: Wash skin thoroughly after handling.
P270: Do not eat, drink or smoke when using this product.
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.
P302 + P352 + P312: IF ON SKIN: Wash with plenty of water. Call a POISON CENTER/doctor if you feel unwell.
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 WordWarning
Storage class10 - 13 Other liquids and solids
WGKWGK 1 slightly hazardous to water
Disposal3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Safety Information
Categories of dangerharmful
Product Usage Statements
Storage and Shipping Information
StorageStore at +15°C to +25°C.
Packaging Information
Transport Information
Declaration (railroad and road) ADR, RIDKein Gefahrgut
Declaration (transport by air) IATA-DGRNo Dangerous Good
Declaration (transport by sea) IMDG-CodeNo Dangerous Good
Supplemental Information
Specifications
pH-value (25 °C)1.674 - 1.683
Global Trade Item Number
Catalogue Number GTIN
1019610025 04022536026930

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Analytics and Sample Preparation > Reference Materials > Certipur® Reference Material for Reliable Calibration in pH Measurement > Certified Secondary Reference Buffer Solutions and Substances
Analytics and Sample Preparation > Reference Materials > Certipur® Reference Material for Reliable Calibration in pH Measurement