Ammonium chronate

Catalog Number	ACM7788989-1
CAS	7788-98-9
Structure
Synonyms	Neutral ammonium
Molecular Weight	152.07
Molecular Formula	CrH8N2O4
Melting Point	180 °C
Purity	98%+
Appearance	Crystalline

Q&A

What is the molecular weight of Ammonium chronate?

The molecular weight of Ammonium chronate is 152.07.

What are the synonyms of Ammonium chronate?

The synonyms of Ammonium chronate are ammoniumchromate(vi), chromicacid(h2cro4), diammoniumsalt, diammoniumchromate, neutralammoniumchromate, and AmmoniumDichromate.

What is the melting point of Ammonium chronate?

The melting point of Ammonium chronate is 180°C (dec.).

What is the specific gravity of Ammonium chronate?

The specific gravity of Ammonium chronate is 1.91.

What are the exposure limits for Ammonium chronate according to ACGIH, OSHA, and NIOSH?

ACGIH: TWA 0.0002 mg/m3; STEL 0.0005 mg/m3 (Skin)
OSHA: Ceiling 0.1 mg/m3
NIOSH: IDLH 15 mg/m3; TWA 0.0002 mg/m3

How is Ammonium chronate classified by the EPA Substance Registry System?

Ammonium chronate is classified by the EPA Substance Registry System as Ammonium chromate (7788-98-9).

What are the hazard codes associated with Ammonium chronate?

The hazard codes associated with Ammonium chronate are O, T, N.

What is the potential exposure to Ammonium chronate and why is it used?

Ammonium chronate is used to inhibit corrosion and in dyeing, photography, and many chemical reactions. It is also used as a fungicide and fire retardant.

How is Ammonium chronate purified?

Ammonium chronate can be crystallized from weak aqueous ammonia and loses NH3 on heating to form ammonium dichromate.

How should waste containing Ammonium chronate be disposed of?

Waste containing Ammonium chronate must conform with EPA regulations governing storage, transportation, treatment, and waste disposal. Additionally, addition of a large volume of a reducing agent solution and flushing with large volumes of water is recommended for disposal.