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Safety Information

309176

Sigma-Aldrich

Potassium dichromate

99.95-100.05%

Synonym(s):

Potassium bichromate

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About This Item

Linear Formula:
K2Cr2O7
CAS Number:
7778-50-9
Molecular Weight:
294.18
EC Number:
231-906-6
MDL number:
MFCD00011367
UNSPSC Code:
12352300

Assay

99.95-100.05%

reaction suitability

reagent type: oxidant

mp

398 °C (lit.)

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

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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 - STOT RE 1 Inhalation - STOT SE 3

Target Organs

Cardio-vascular system, Respiratory system

Storage Class Code

5.1B - Oxidizing hazardous materials

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.

PDSCL

Deleterious substance

PRTR

Specified Class I Designated Chemical Substances

FSL

Group 1: Oxidizing solids
Dichromates
Hazardous rank III
3rd oxidizing solid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

309176-500G:4548173132914
309176-6X500G:4548173255323
309176-100G:4548173132907
309176-BULK:

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Certificates of Analysis (COA)

Lot/Batch Number
02530LP
05402KE
14703AE
07320TI
06720DU

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Manish Mishra et al.
Mutation research, 747-748, 28-39 (2013-05-01)
Hexavalent chromium [Cr(VI)] is a well known mutagen and carcinogen. Since genomic instability due to generation of double strand breaks (DSBs) is causally linked to carcinogenesis, we tested a hypothesis that Cr(VI) causes in vivo generation of DSBs and elicits
Peter A Siver et al.
American journal of botany, 102(6), 921-941 (2015-06-24)
Heterokont algae of the class Synurophyceae, characterized by distinctive siliceous scales that cover the surface of the cell, are ecologically important in inland waters, yet their evolutionary history remains enigmatic. We explore phylogenetic relationships within this group of algae relative
Shafaqat Ali et al.
Environmental toxicology and chemistry, 32(10), 2234-2239 (2013-06-19)
A hydroponic experiment was carried out to examine the effect of hydrogen sulfide (H2 S) in alleviating chromium (Cr) stress in barley. A 2-factorial design with 6 replications was selected, including 3 levels of NaHS (0 μM, 100 μM, and
Bour-Jr Wang et al.
Journal of the Formosan Medical Association = Taiwan yi zhi, 110(12), 775-779 (2012-01-18)
Occupational dermatitis among cement workers is a major occupational health concern. The two most important occupational hazards for cement workers are irritant and allergic cement contact dermatitis. The objective of this study was to investigate the severity of occupational cement
Fu-Jun Liu et al.
Toxicological sciences : an official journal of the Society of Toxicology, 110(2), 307-318 (2009-06-03)
Werner syndrome is a premature aging disorder characterized by cancer predisposition that is caused by loss of the Werner syndrome protein (WRN) helicase/exonuclease DNA repair protein. Hexavalent chromium is an environmental carcinogen and genotoxicant that is associated with respiratory cancers
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