NIST136F

Potassium dichromate

NIST^® SRM^® 136f, oxidimetric standard

• Sinónimos: Potassium bichromate
• Fórmula lineal: K₂Cr₂O₇
• Número de CAS: 7778-50-9
• Peso molecular: 294.18
• MDL number: MFCD00011367
• UNSPSC Code: 41116107
• PubChem Substance ID: 329818704
• NACRES: NA.24

Propiedades

• grade: certified reference material
• Quality Level: 100
• packaging: pkg of 60 g
• manufacturer/tradename: NIST^®
• technique(s): titration: suitable
• mp: 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
• InChI key: KMUONIBRACKNSN-UHFFFAOYSA-N

Descripción

General description

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

Application

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

Other Notes

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

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

Legal Information

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

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

Información de seguridad

• pictograms: GHS03,GHS06,GHS08,GHS05,GHS09
• signalword: Danger
• hcodes: H272,H301,H312,H314,H317,H330,H334,H335,H340,H350,H360FD,H372,H410
• pcodes: P210 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• 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 - Skin Sens. 1 - 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