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Key Documents

01-4630

Sigma-Aldrich

Ammonium dichromate

SAJ special grade, ≥99.0%

Synonym(s):

Ammonium dichromate, Ammonium bichromate

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About This Item

Linear Formula:
(NH4)2Cr2O7
CAS Number:
Molecular Weight:
252.06
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
Pricing and availability is not currently available.

grade

SAJ special grade

vapor density

8.7 (vs air)

assay

≥99.0%

form

crystalline

availability

available only in Japan

pH

3.0-4.0 (25 °C, 50 g/L)

mp

170 °C (dec.) (lit.)

SMILES string

N.N.O[Cr](=O)(=O)O[Cr](O)(=O)=O

InChI

1S/2Cr.2H3N.2H2O.5O/h;;2*1H3;2*1H2;;;;;/q2*+1;;;;;;;;;/p-2

InChI key

XAQCJVGGJJFLPP-UHFFFAOYSA-L

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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

Storage Class

4.1A - Other explosive hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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