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24-4350

Sigma-Aldrich

Potassium chromate

SAJ first grade, ≥98.5%

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About This Item

Linear Formula:
K2CrO4
CAS Number:
7789-00-6
Molecular Weight:
194.19
EC Number:
232-140-5
MDL number:
MFCD00011368
UNSPSC Code:
12352300
PubChem Substance ID:
329752500

grade

SAJ first grade

vapor density

6.7 (vs air)

Assay

≥98.5%

form

solid

availability

available only in Japan

pH

8.5-10.0 (20 °C, 50 g/L)

mp

971 °C (lit.)

SMILES string

[K+].[K+].[O-][Cr]([O-])(=O)=O

InChI

1S/Cr.2K.4O/q;2*+1;;;2*-1

InChI key

XMXNVYPJWBTAHN-UHFFFAOYSA-N

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Signal Word

Danger

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Irrit. 2 - Muta. 1B - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH SVHC Candidate List

CAS No.

EU REACH Annex XVII (Restriction List)

CAS No.

EU REACH Annex XIV (Authorisation List)

CAS No.

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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Journal of hazardous materials, 160(2-3), 502-507 (2008-04-18)
Experimental investigations have been carried out to observe the performance of precipitation behavior of potassium permanganate (KMnO4) and potassium dichromate (K2Cr2O7) in cetyl (hexadecyl) pyridineum chloride (CPC) solution. As in the case of Al3+-dodecylbenzenesulfonate systems [P. Somasundaran, K.P. Anathapadmanabhan, M.S.
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Journal of hazardous materials, 167(1-3), 406-412 (2009-02-11)
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