Electronic Grade Tetramethylammonium Hydroxide

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