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Merck
CN

24-4490

Potassium dichromate

SAJ first grade, ≥99.5%

Synonym(s):

Potassium bichromate

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About This Item

Linear Formula:
K2Cr2O7
CAS Number:
7778-50-9
Molecular Weight:
294.18
UNSPSC Code:
12352302
PubChem Substance ID:
329752639
EC Number:
231-906-6
MDL number:
MFCD00011367
Assay:
≥99.5%
Grade:
SAJ first grade
Form:
crystalline

Key Documents

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InChI key

KMUONIBRACKNSN-UHFFFAOYSA-N

InChI

1S/2Cr.2K.7O/q;;2*+1;;;;;;2*-1

SMILES string

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

grade

SAJ first grade

assay

≥99.5%

form

crystalline

reaction suitability

reagent type: oxidant

availability

available only in Japan

pH

3.5-5.0 (25 °C, 29.4 g/L)

mp

398 °C (lit.)

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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

Storage Class

5.1B - Oxidizing hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges, type P3 (EN 143) respirator cartridges

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
U2490
U4338
U4226
U2123
U0943

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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
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
Eduardo Molina-Jijón et al.
Toxicology, 291(1-3), 93-101 (2011-11-26)
Deferoxamine (DFO) is a recognized iron chelator which has been shown to exert nephroprotection in models of toxic nephropathies. In the present work the potential protective effects of DFO against Cr(VI)-induced nephrotoxicity and oxidant stress were evaluated. Rats were injected
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
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