1.02403
Potassium dichromate
volumetric standard, secondary reference material for redox titration, traceable to NIST SRM Certipur® Reag. USP
Synonym(s):
Potassium dichromate, Potassium bichromate, Potassium pyrochromate
About This Item
Recommended Products
agency
ISO 17025
reag. USP
Quality Level
form
solid
potency
90.5 mg/kg LD50, oral (Rat)
1170 mg/kg LD50, skin (Rat)
technique(s)
titration: suitable
pH
3.6 (100 g/L in H2O)
bp
>500 °C/1013 hPa
mp
398 °C
density
2.7 g/cm3 at 20 °C
bulk density
1250 kg/m3
storage temp.
15-25°C
InChI
1S/2Cr.2K.7O/q;;2*+1;;;;;;2*-1
InChI key
KMUONIBRACKNSN-UHFFFAOYSA-N
General description
Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.
Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.
Application
Features and Benefits
- Available as a solid in a secure glass bottle to ensure its stability for the entire shelf life until opened.
- Certified reference material according to ISO 17034
- High-purity material traceable to NIST SRMs
- Qualified in a DIN EN ISO/IEC 17025 accredited laboratory
- In accordance with the chapter reagents of USP and Ph. Eur
- High-quality offering accurate titer determinations
- Accompanied by a certificate of analysis (CoA)
Packaging
Legal Information
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signalword
Danger
Hazard Classifications
Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Eye Dam. 1 - Muta. 1B - Ox. Sol. 2 - Repr. 1B - Resp. Sens. 1 - Skin Corr. 1B - STOT RE 1 Inhalation - STOT SE 3
target_organs
Cardio-vascular system, Respiratory system
Storage Class
5.1B - Oxidizing hazardous materials
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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