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IPI PRODUCT SPECIFICATION
corrosive

ANTIMONY TRISULFIDE

Chemical formula: Sb2S3
CAS no: 1345-04-6
UN no: 1549


Properties
Units
Values
Test Method
 
 
Min
Max
 
Antimony
%
70.5
-
4.4.2
Sulfur (total)
%
24.8
-
4.4.3
Insoluble material
%
-
1.0
4.4.4
Acidity
%
-
0.01
4.4.5
Lead
%
-
0.15
4.4.6
Iron
%
-
0.5
4.4.7
Free Sulfur
%
-
0.2
4.4.8
Arsenic
%
-
0.06
4.4.9
Moisture
%
-
0.2
4.4.1
Granulation
 
 
 
 
- Through U.S. sieve no. 100
%
95
-
4.5
- Retained on U.S. sieve no. 140
%
30
50
4.5
- Through U.S. sieve no. 200
%
20
30
4.5

IPI Specification No: 10053

This specification meets the requirements of military specification MIL-A-159D type I class 1 (dated May 16 1972).


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