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Ammonium dichromate

Ammonium dichromate chemical structure
CAS Number7789-09-5
FormulaN/A
Mol. Weight252.06 g/mol

What is Ammonium dichromate?

Ammonium dichromate is a chemical compound with CAS number 7789-09-5. It is used in various industrial and research applications.

Specifications

Linear Formula

(NH4)2Cr2O7

Molecular Weight

252.06 g/mol

Grade

ACS reagent

Assay/Purity

≥97.0% (RT)

Safety Information

GHS03GHS03
GHS05GHS05
GHS06GHS06
GHS08GHS08
GHS09GHS09
Signal Word

Danger

Hazard Statements

H272-H301-H312-H314-H317-H330-H334-H340-H350-H360FD-H372-H410

Precautionary Statements

P201-P220-P260-P273-P280-P284

Melting Point

170 °C (dec.)(lit.)

Anion Traces

chloride (Cl-): ≤200 mg/kg
sulfate (SO42-): ≤200 mg/kg

Cation Traces

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤2000 mg/kg
Na: ≤500 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

EC Number

232-143-1

WGK Germany

3

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