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101961 Tetraoxalát draselný dihydrát

101961
Purchase on Sigma-Aldrich

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: Zdraviu škodlivý pri požití alebo pri styku s kožou.
H319: Spôsobuje vážne podráždenie očí.
Precautionary Statement(s)P264: Po manipulácii starostlivo umyte pokožku.
P270: Pri používaní výrobku nejedzte, nepite ani nefajčite.
P280: Použite ochranné rukavice/ ochranný odev/ ochranu očí/ ochranu tváre/ ochranu sluchu.
P301 + P312: PO POŽITÍ: Pri zdravotných problémoch volajte NÁRODNÉ TOXIKOLOGICKÉ INFORMAČNÉ CENTRUM/lekára.
P302 + P352 + P312: PRI KONTAKTE S POKOŽKOU: Umyte veľkým množstvom vody. Pri zdravotných problémoch volajte NÁRODNÉ TOXIKOLOGICKÉ INFORMAČNÉ CENTRUM/lekára.
P305 + P351 + P338: PO ZASIAHNUTÍ OČÍ: Niekoľko minút ich opatrne vyplachujte vodou. Ak používate kontaktné šošovky a je to možné, odstráňte ich. Pokračujte vo vyplachovaní.
Signal WordPozor
Storage class10 - 13 Iné kvapaliny a tuhé látky
WGKWGK 1 mierne ohrozujúce vody
Disposal3
Relatívne nereaktívne organické reagencie je potrebné zhromaždovať v nádobe A. Ak sú halogénované, je potrebné ich zhromaždovať v nádobe B. Pre tuhé zvyšky použite nádobu C.
Safety Information
Categories of dangerškodlivá
Product Usage Statements
Storage and Shipping Information
StorageSkladujte pri +15°C až +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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Categories

Reagents, Chemicals and Labware > Inorganic Reagents > Instrumental Inorganic Analysis > Certipur® Standards, Reference Materials and Buffers > 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
Analytics and Sample Preparation > Reference Materials > Certipur® Reference Material for Reliable Calibration in pH Measurement > Certified Secondary Reference Buffer Solutions and Substances