1-(2-dimethylaminoethyl)-5-Mercapto
Tetrazole
SPECIFICATION:
CONTENT: 98%(HPLC)
PH: 4.5-6
MOISTURE: 0.5%
APPEARANCE:white to skight yellow power
PACKING:25kg/D
sodium
azide
CONTENT:99%
FREE BASE:0.3%
MOISTURE:0.2%
HEARY METAL:pass
APPEARANCE:white power
1-sulfulmethyl-5-Mercapto
Tetrazole disodium salt
APPEARANCE:white to slight power.
IELENTIFICATION:hplc spectrum conforms to the standard sample.
SOKKUBILITY:soluble in water and ethanol.
PH: 5.50-7.50(1.0%w/v£¬0.5g/50ml)
MOISTURE:7.0-10.0%(w/v K.F.)
CONTENT:98.0%(in
dry amount through ,HPLC)
5-sulfhydryl-1,2,3-triazole
monosodium salt
SPECIFICATION:
APPEARANCE:white to slight yellow power.
CONTENT:98%
WEIGHT LOSS AFTER DRYING:2%
PH: 8.5-9.5
PACKAGE:25kg/D
1-Methyl-5-Mercapto
Tetrazole(MMT)
or:1-Metil-5-Mercapto-1,2,3,4-Tetrazole
SPECIFICATION:
APPEARANCE:white crytall
CONTENT:99%
MELTING POINT:124-126
MOISTURE:0.5%
PACKAGE:25kg/D( 335 495)
1-Ethyl-1H-1,2,3,4-Tetrazole-5-Thiol
SPECIFICATION:
APPEARANCE: half solid
CONTENT: 98%(HPLC)
MELTING POINT: 45-46
Anhydrous Hydrogen Fluoride
| Molecular Formula:HF
Molecular Weight:20.01 |
| Item |
Index |
| Super-High-Class Product |
High-Class Product |
First-Class Product |
Qualified Product |
Hydrogen Fluoride
% |
99.98 |
99.95 |
99.90 |
99.70 |
Moisture Content% |
0.005 |
0.03 |
0.06 |
0.10 |
Fluosilicic Acid (H 2SiF 6)% |
0.004 |
0.010 |
0.020 |
0.050 |
Sulfur Dioxide % |
0.0005 |
0.007 |
0.015 |
0.030 |
Nonvolatile Acid (Calculated as H 2SO 4
)% |
0.0005 |
0.005 |
0.020 |
0.050 |
Industrial
Hydrofluoric Acid
| Molecular Formula:HF
Molecular
Weight :20.01 |
| Item |
Index |
| High-Class Product |
First-Class Product |
Qualified Product |
| F-40 |
F-40 |
F-55 |
F-60 |
F-70 |
F-40 |
F-55 |
Content of Hydrogen Fluoride(HF)% |
40 |
40 |
55 |
60 |
70 |
40 |
55 |
Fluosilicic Acid(H 2SiF 6)% |
0.02 |
0.2 |
0.5 |
0.4 |
0.4 |
2.5 |
5.0 |
Nonvolatile Acid (Calculated as H 2SO 4
)% |
0.02 |
0.05 |
0.08 |
0.08 |
0.08 |
1.0 |
2.0 |
3-Sulfhydryl -4-Methyl-1,2,4-Triazole
|
