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12263

Sodium chromate

puriss., anhydrous, ≥99.5%

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About This Item

Linear Formula:
Na2CrO4
CAS Number:
7775-11-3
Molecular Weight:
161.97
EC Number:
231-889-5
UNSPSC Code:
12352103
MDL number:
MFCD00003484
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grade

puriss.

assay

≥99.5%

quality

anhydrous

pH

8.5-10.0 (20 °C, 5%)

anion traces

chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤100 mg/kg

cation traces

Ca: ≤50 mg/kg, Cu: ≤10 mg/kg, Fe: ≤10 mg/kg

SMILES string

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

InChI

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

InChI key

PXLIDIMHPNPGMH-UHFFFAOYSA-N

signalword

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 - Repr. 1B - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT RE 1

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic 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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Rachel M Speer et al.
Aquatic toxicology (Amsterdam, Netherlands), 198, 149-157 (2018-03-17)
Hexavalent chromium [Cr(VI)] is a marine pollution of concern as recent studies show it has a global distribution, with some regions showing high Cr concentrations in marine animal tissue, and it is extensively used. Leatherback sea turtles (Dermochelys coriacea) are

Global Trade Item Number

SKUGTIN
305286-1G04061826696255