Skip to Content
Merck
CN
All Photos(2)

Documents

Safety Information

NIST136F

Potassium dichromate

NIST® SRM® 136f, oxidimetric standard

Synonym(s):

Potassium bichromate

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

Linear Formula:
K2Cr2O7
CAS Number:
7778-50-9
Molecular Weight:
294.18
MDL number:
MFCD00011367
UNSPSC Code:
41116107
PubChem Substance ID:
329818704
NACRES:
NA.24

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

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

related product

Product No.
Description
Pricing

Signal Word

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 - Skin Sens. 1 - STOT RE 1 Inhalation - STOT SE 3

Target Organs

Cardio-vascular system, Respiratory system

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

危险化学品
易制爆化学品

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Sorry, we don't have COAs for this product available online at this time.

If you need assistance, please contact Customer Support.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service