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7788-98-9 - Ammonium chromate, 98+% - A15194 - Alfa Aesar

A15194 Ammonium chromate, 98+%

CAS-Nummer
7788-98-9
Synonyme

Größe Preis ($) Menge Verfügbarkeit
100g 46,14
500g 141,11
2500g 591,00
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Ammonium chromate, 98+%

MDL
MFCD00015958
EINECS
232-138-4

Chemische Eigenschaften

Formel
(NH4)2CrO4
Molmasse
152.07
Schmelzpunkt
180° dec.
Dichte
1.91
Löslichkeit
Soluble in water (340g/L).

Anwendungen

Ammonium chromate is a reagent for the preparation of a solid heterogeneous oxidizing agent for liquid phase oxidation of alcohols. Also used in in photography, textile printing, and fixing chromate dyes on wool; Also used as an analytical reagent, catalyst, and corrosion inhibitor.

Bemerkungen

Store in cool, dry place in tightly closed container. Store away from reducing agent and metal powders.

Literaturverweise

R. Rajeeva, K.A. Devi; Annamma Abraham; K. Krishnan; T.E. Krishnana, K.N. Ninan; C.G.R. Nair. Thermal decomposition studies. Part 19. Kinetics and mechanism of thermal decomposition of copper ammonium chromate precursor to copper chromite catalyst and correlation of surface parameters of the catalyst with propellant burning rate. Thermochimica Acta, 1995, 254235-247.

Il-Hyun Park. Thermal Decomposition of Ammonium Salts of Transition Metal Oxyacids. III. Thermogravimetric Analysis of Ammonium Chromate. Bulletin of the Chemical Society of Japan, 1972, 45(9), 2749-2752.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H350-H400-H410-H317

May cause cancer. Very toxic to aquatic life. Very toxic to aquatic life with long lasting effects. May cause an allergic skin reaction.

Sicherheitshinweise: P201-P261-P273-P280-P281-P363-P308+P313-P321-P405-P501a

Obtain special instructions before use. Avoid breathing dust/fume/gas/mist/vapours/spray. Avoid release to the environment. Wear protective gloves/protective clothing/eye protection/face protection. Use personal protective equipment as required. Wash contaminated clothing before reuse. IF exposed or concerned: Get medical advice/attention. Specific treatment (see label). Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Merck
14,510
Gefahrenklasse
5.1
Verpackungsgruppe
III
Harmonized Tariff Code
2841.50
TSCA
Yes

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