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75-59-2 TMAH Tetramethyl Ammonium Hydroxide 25%

— Tetramethyl ammonium hydroxide 25%, Tetramethyl ammonium hydroxide electric grade, TMAH 25%
Product Category: Chemical Additives & Auxiliaries/n.e.s.
Sales Method: Export, Manufacture, OEM/ODM
Payment Term: T/T, L/C
Min. Order Unit Price
Contact Info


Address: China (mainland) Hubei Wuhan,Building 3, Direct 5, Wuhan University Science Park, China

Product Detail

Product Attribute:

  • China (mainland) More >
  • TMAH
  • 08/13/2012
  • 08/14/2012

Additional Info.:

  • Shanghai
  • 200kg plastic drum,80 drums for 20'fcl

Product Content Description:

1.General Description
It is a solid in the hydrated form or a colorless liquid with a strong ammonia-like odor, easy soluble in water,corrosive to metals and tissue.

2. Chemical Properties

Acronymic: TMAH
Synonym: N,N,N-Trimethylmethanaminium hydroxide
CAS No.: 75-59-2
U.N.No.: 1835
Hazard class: 8
Packing group: II
Chemical formula: (CH3)4NOH·5H2O
Molecular weight: 181.15
Appearance: white crystal, contains 5 crystal waters in each molecular. Be easily solubled in alcohol and water.
Melting Point(°C): 63


Widely used in electronic industry , especially as positive resister developer ,silicon wafer wet etchant and super clean solution for CMP process. Also used in the manufacture of integrated circuits, liquid crystal displays, printed circuit boards, capacitors, sensors, and many other electronic components.
Delivery Way - Date Of Delivery: in 7 days after confirmed order

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