Product Description:
Description Colorless and transparent solution
Molecular formula (CH3)4NOH
Molecular weight 91.15
Specification Item Unit MIN MAX
Content% 24.9 25.1
Chroma Hazen
5
Carbonate ppm
100
Chloride ion ppm
0.1
Methanol ppm
40
Lithium ppb
5
Sodium ppb
10
Magnesium ppb
5
Aluminum ppb
10
Potassium ppb
10
Calcium ppb
10
Chrome ppb
5
Manganese ppb
5
Iron ppb
5
Nickel ppb
5
Cobalt ppb
5
Copper ppb
5
Zinc ppb
5
Molybdenum ppb
5
Cadmium ppb
5
Lead ppb
5
Silver ppb
5
Particles >=0.5um/ml
100
Physical properties Form liquid
Boiling point oC 100
Freezing point oC <-25.0
Viscosity 25 oC, cst 2.8
Specific gravity @ 60 oF 1.022
Flash point oF >200
pH >13
*This is the result of the actual analysis of the product. The test data of each batch may be slightly different.
Uses In the electronics industry, it is widely used as silicon wafer etching agent, cleaning agent, positive gel developer, etc.
Shipping condition
200L cleaning bucket
Or according to customer requirements
Transport classification
Proper name: Tetramethylammonium Hydroxide
Dangerous goods level: 8
UN number: 1835
Chemical registration number CAS 75-59-2
EINECS 200-882-9
NIOSH/RTECS PA0875000