Key Documents

View All Documentation

NIST136F

Potassium dichromate

Name: Potassium dichromate
Brand: SIAL

NIST^® SRM^® 136f, oxidimetric standard

Synonym(s):

Potassium bichromate

Select a Size

Change View

About This Item

Linear Formula:

K₂Cr₂O₇

CAS Number:

7778-50-9

Molecular Weight:

294.18

NACRES:

NA.24

PubChem Substance ID:

329818704

UNSPSC Code:

41116107

MDL number:

MFCD00011367

Technical Service

Need help? Our team of experienced scientists is here for you.

Let Us Assist

Properties

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

Description

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

This compound is listed in the SVHC (Substances of very high concern) candidate list of ECHA (European Chemicals Agency)

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

Still not finding the right product?

Explore all of our products under Potassium dichromate

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

WGK 3

flash_point_f

Not applicable

flash_point_c