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05-4600

Chromium(VI) oxide

SAJ special grade, ≥98.0%

Synonym(s):

Chromic anhydride

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About This Item

Empirical Formula (Hill Notation):
CrO3
CAS Number:
1333-82-0
Molecular Weight:
99.99
UNSPSC Code:
12352303
PubChem Substance ID:
329748066
EC Number:
215-607-8
MDL number:
MFCD00010952
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grade

SAJ special grade

assay

≥98.0%

form

solid

availability

available only in Japan

pH

<1 (20 °C, 100 g/L)

mp

196 °C (dec.) (lit.)

SMILES string

O=[Cr](=O)=O

InChI

1S/Cr.3O

InChI key

WGLPBDUCMAPZCE-UHFFFAOYSA-N

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Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A - Eye Dam. 1 - Muta. 1B - Ox. Sol. 1 - Repr. 2 - Resp. Sens. 1 - Skin Corr. 1A - Skin Sens. 1 - STOT RE 1 Inhalation - STOT SE 3

target_organs

Respiratory system

Storage Class

5.1A - Strongly oxidizing hazardous materials

wgk

WGK 3

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
U8547
U8544
U8248
U2235
L8044

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Evidence for the protective effect of ascorbic acid (vitamin C) in treatment with gamma-rays and chromium (VI) oxide (CrO3) in somatic cells of Drosophila.
O Olvera et al.
Mutation research, 346(1), 19-21 (1995-01-01)
Kyung-Hwa Son et al.
Journal of toxicology and environmental health. Part A, 67(13), 1027-1049 (2004-06-19)
CrO3 is cytotoxic for human epithelial 293 kidney cells over a narrow concentration range of approximately 2-8 microM (D50 approximately 3.0 microM); significantly greater toxicity is observed in clonogenic assays (D50 approximately 0.1-1.0 microM). Survival of a small fraction of
Reyes Sierra-Alvarez
Waste management (New York, N.Y.), 29(6), 1885-1891 (2009-01-13)
Large volumes of preservative-treated wood containing toxic Cr, Cu and As salts are decommissioned worldwide. This study investigated the effectiveness of solid-state fermentation with copper-tolerant brown-rot fungi for the remediation of wood treated with chromated copper arsenate (CCA) and acid
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Global Trade Item Number

SKUGTIN
05-4600-5-500G-J04061832562360