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***ailed Product Description
1.Tetramethyl ammonium hydroxide 25%
2.CAS NO.:75-59-2
3.Comepetitive price with good quality
4.soonest shipment
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: ***H
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(℃): 63
3.Application
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.
4.Specification
Item Specification Result
Appearance Colorless tran***rent liquid Colorless tran***rent liquid
Assay wt % 25.00¡À0.50% 25.10%
(Carbonate)ppm ¡Ü500 136
(chloride)ppm ¡Ü100 <100
(methanol)ppm ¡Ü300 <5
Ca(Calcium)ppm ¡Ü1 <1
Mg(Magnesium)ppm ¡Ü1 <1
Fe(Iron)ppm ¡Ü1 <1
Na(Sodium)ppm ¡Ü1 <1
K(Potassium)ppm ¡Ü1 <1
(APHA)Hazen ¡Ü10 <10
5.Pacakge
200kg plastic drum or as customer request, 80 drums for 20'fcl
Remark: Tetramethylammonium Hydroxide(2.380%,20.0%,electronic grade), ***H (25%, 98%,industrial grade) are also available, please contact us for ***ails.
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| Company: |
ASIA CHEMICAL INC LIMITED
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| Contact: |
Ms. tina ma |
| Address: |
430000,CHINA,HUBEI,EAST LAKE NEW TECH.DEVELOPMENT ZONE,WUHAN,THE FINANCIAL? HARBOUR 4TH ROAD,NO.18,BUILDING 15,PHASE 2 OF PUTIAN INTERNET INNOVATIVE RD CENTER19 FLOOR,NO.2-B |
| Postcode: |
430000 |
| Tel: |
+86 27 63498809 |
| Fax: |
+86 27 63498908 |
| E-mail: |
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