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30833 Tetramethylammonium hydroxide, 25% w/w in methanol

CAS Number
75-59-2
Synonyms

Stock No. Size Price ($) Quantity Availability
30833-09 10g 26.90
30833-22 100g 34.50
30833-36 500g 103.00
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Tetramethylammonium hydroxide, 25% w/w in methanol

MDL
MFCD00008280
EINECS
200-882-9

Chemical Properties

Formula
C4H13NO
Formula Weight
91.15
Form
Liquid
Flash Point
12°(54°F)
Density
0.865
Storage & Sensitivity
Air Sensitive. Store under Nitrogen. Ambient temperatures.
Solubility
Miscible with water.

Applications

Tetramethylammonium hydroxide is used for anisotropic etching of silicon. As a basic solvent, it is used in the development of acidic photoresist in the photolithography process. It acts as phase transfer catalyst and surfactant and is used in the synthesis of ferrofluid in order to inhibit nanoparticle aggregation. It finds application in thermochemolysis, an analytical technique involving both pyrolysis and chemical derivatization of the analyte.

Notes

Air sensitive. Incompatible with strong oxidizing agents, strong acids, aluminum, alkali metals, strong oxidizing agents, acids, acid chlorides, acid anhydrides and halogens.

Literature References

Wang, L.; Albouy, P. A.; Pileni, M. P. Synthesis and Self-Assembly Behavior of Charged Au Nanocrystals in Aqueous Solution. Chem. Mater. 2015, 27 (12), 4431-4440.

Engel, T.; Kickelbick, G. Furan-Modified Spherosilicates as Building Blocks for Self-Healing Materials. Eur. J. Inorg. Chem. 2015, 2015 (7), 1226-1232.

GHS Hazard and Precautionary Statements

Hazard Statements: H225-H300+H310-H314-H331-H335-H336-H370-H372

Highly flammable liquid and vapour. Fatal if swallowed. Fatal in contact with skin. Causes severe skin burns and eye damage. Toxic if inhaled. May cause respiratory irritation. May cause drowsiness or dizziness. Causes damage to organs. Causes damage to organs through prolonged or repeated exposure.

Precautionary Statements: P210-P233-P235-P240-P241-P242-P243-P260-P262-P264b-P270-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P370+P378q-P501c

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep container tightly closed. Keep cool. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Do not breathe dust/fume/gas/mist/vapours/spray. Do not get in eyes, on skin, or on clothing. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Rinse mouth. Do NOT induce vomiting. Wash contaminated clothing before reuse. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant

Other References

Merck
14,9224
Hazard Class
3
Packing Group
II
Harmonized Tariff Code
2923.90
TSCA
Yes

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