NIST136F

Kaliumdichromat

NIST^® SRM^® 136f, oxidimetric standard

• Synonym(e): Potassium bichromate
• Lineare Formel: K₂Cr₂O₇
• CAS-Nummer: 7778-50-9
• Molekulargewicht: 294.18
• MDL-Nummer: MFCD00011367
• UNSPSC-Code: 41116107
• PubChem Substanz-ID: 329818704
• NACRES: NA.24

Eigenschaften

• Qualität: certified reference material
• Qualitätsniveau: 100
• Verpackung: pkg of 60 g
• Hersteller/Markenname: NIST^®
• Methode(n): titration: suitable
• mp (Schmelzpunkt): 398 °C (lit.)
• Format: neat
• SMILES String: [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O
• InChI: 1S/2Cr.2K.7O/q;;2*+1;;;;;;2*-1
• InChIKey: KMUONIBRACKNSN-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

This Standard Reference Material (SRM) is certified as a chemical of known assay for use as a primary oxidimetric standard. A unit of SRM 136F consists of 60 g of highly purified potassium dichromate (K₂Cr₂O₇) in a clear glass bottle. The certification of SRM 136f is valid, within the measurement uncertainties specified, provided the SRM is handled and stored in accordance with the instructions given under “Instructions for Use” in the certificate.

SRM 136F_CERT

SRM 136F_SDS

Anwendung

This Standard Reference Material (SRM 136F) is intended for use as a primary oxidimetric standard.

Sonstige Hinweise

Certified for the analytes listed below.
Potassium Dichromate (K₂Cr₂O₇)

See certificate for values and more details at nist.gov/SRM.

Rechtliche Hinweise

NIST is a registered trademark of National Institute of Standards and Technology

SRM is a registered trademark of National Institute of Standards and Technology

Sicherheitshinweise

• Piktogramme: GHS03,GHS06,GHS08,GHS05,GHS09
• Signalwort: Danger
• H-Sätze: H272,H301,H312,H314,H317,H330,H334,H335,H340,H350,H360FD,H372,H410
• P-Sätze: P210 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Gefahreneinstufungen: 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 - Skin Sens. 1 - STOT RE 1 Inhalation - STOT SE 3
• Zielorgane: Cardio-vascular system, Respiratory system
• Lagerklassenschlüssel: 5.1B - Oxidizing hazardous materials
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable