Difference between revisions of "Ammonium thiosulfate"

Latest revision as of 13:42, 26 April 2022

Description

A white crystalline solid that is used as a photographic fixing agent. Ammonium thiosulfate is also used as a Fungicide, a metal lubricant, and an analytical reagent. It acts as a reducing agent that is effective for cleaning metals and alloys containing Tin, Zinc, Lead, or Silver.

Synonyms and Related Terms

ammonium thiosulphate (Br.)

Risks

Contact may cause irritation.
Noncombustible.
Plant Food: SDS

Physical and Chemical Properties

Soluble in water. Insoluble in ethanol.

Composition	(NH4)2S2O3
CAS	7783-18-8
Melting Point	150 C (dec)
Density	1.32 g/ml
Molecular Weight	mol. wt. = 148.21

Resources and Citations

Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997

The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 598

@@ Line 7: / Line 7: @@
 ammonium thiosulphate (Br.)
-== Other Properties ==
+== Risks ==
+* Contact may cause irritation.
+* Noncombustible.
+* Plant Food: [https://www.plantfoodco.com/media/2039/ammoium-thiosulfate-sds.pdf SDS]
+== Physical and Chemical Properties ==
 Soluble in water. Insoluble in ethanol.
@@ Line 20: / Line 26: @@
 |-
 ! scope="row"| Melting Point
-| 150 (dec)
+| 150 C (dec)
 |-
 ! scope="row"| Density
-| 1.32
+| 1.32 g/ml
 |-
 ! scope="row"| Molecular Weight
@@ Line 29: / Line 35: @@
 |}
-== Hazards and Safety ==
+==Resources and Citations==
-Contact may cause irritation.  Noncombustible.
-Eastman Kodak: [http://siri.org/msds/f2/bwq/bwqcb.html MSDS 03/05/99]
-== Authority ==
 * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993