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43180 Ammonium dichromate, 99.999% (metals basis)

CAS Number
7789-09-5
Synonyms

Stock No. Size Price ($) Quantity Availability
43180-14 25g 123.00
43180-22 100g 443.00
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Ammonium dichromate, 99.999% (metals basis)

MDL
MFCD00010879
EINECS
232-143-1

Chemical Properties

Formula
(NH4)2Cr2O7
Formula Weight
252.10
Form
Crystalline
Melting point
170° dec.
Storage & Sensitivity
Ambient temperatures.
Solubility
Soluble in water and alcohol. Insoluble in acetone.

Applications

Ammonium dichromate is used in photo engraving, dye mordant, pigments, pickling, photography, process engraving, lithography, pyrotechnics, glazes for porcelain and china wares. It acts as a catalyst and a source of nitrogen in the laboratory and as the photoactive site. It is also used in the preparation of alizarin and chrome alum. Further, it is used in leather and oil industry for tanning and purification respectively. It is involved in the production of the phosphor raster television screens and other devices.

Notes

Incompatible with strong reducing agents, alcohols and strong acids.

Literature References

Gong, J.; Xiang, Q.; Zhao, M. Laboratory Research on Composite Tunnel Fire-Retardant Coating. Mater. Manuf. Processes 2015, 30 (6), 699-705.

Sanoop, A. P.; Rajeev, R.; George, B. K. Synthesis and characterization of a novel copper chromite catalyst for the thermal decomposition of ammonium perchlorate. Thermochim. Acta 2015, 606, 34-40.

GHS Hazard and Precautionary Statements

Hazard Statements: H272-H301-H312-H314-H317-H330-H334-H340-H350-H360FD-H372-H500

May intensify fire; oxidizer. Toxic if swallowed. Harmful in contact with skin. Causes severe skin burns and eye damage. May cause an allergic skin reaction. Fatal if inhaled. May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause genetic defects. May cause cancer. May damage fertility. Suspected of damaging the unborn child. May damage fertility. May damage the unborn child. Causes damage to organs through prolonged or repeated exposure. May form combustible dust concentrations in air

Precautionary Statements: P201-P202-P260-P264b-P270-P271-P272-P280g-P281-P284-P285-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P333+P313-P363-P501c

Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Contaminated work clothing should not be allowed out of the workplace. Wear protective gloves. Use personal protective equipment as required. Wear respiratory protection. In case of inadequate ventilation wear respiratory protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Rinse mouth. Do NOT induce vomiting. If skin irritation or rash occurs: Get medical advice/attention. Wash contaminated clothing before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Merck
14,515
Hazard Class
5.1
Packing Group
II
Harmonized Tariff Code
2841.50
TSCA
Yes
RTECS
HX7650000

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