Thio Urea
Basic information:
CAS NO.62-56-6
UN NO.UN 2877;UN 2811
Chemical formula:CH4N2S
Molecular weight:76.12
Character:white,shiny crystal
Density:1.405
Melting point:171-175℃
Boiling point：236.89℃(estimate）
Solubleness(mg/mL):water 13.6g/100mL(20℃)
Technical Index(Mass fraction/%)
|
Index name |
Index |
||
|
Superior |
First grade |
Qualified |
|
|
Assay（NH2)2CS %≥ |
99.0 |
98.5 |
98.0 |
|
Heating loss %≤ |
0.40 |
0.50 |
1.00 |
|
Ash %≤ |
0.10 |
0.15 |
0.30 |
|
Water insoluble %≤ |
0.02 |
0.05 |
0.10 |
|
Thiocyanate %≤ |
0.02 |
0.02 |
0.10 |
|
Melting point ℃≥ |
171 |
170 |
— |
Uses:
Used in the manufacture of drugs,dyes,resins,pressure plastic powder, vulcanization Accelerator for rubber,flotation agent for metal minerals and other raw materials.
Package/Capacity of container/Storage:
Packing:in 25kg plastic woven bags.
Store in a sealed,dry and ventilated place.