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16328 Tetraethylammonium hydroxide, 25% w/w in methanol

CAS Number
77-98-5
Synonyms

Stock No. Size Price ($) Quantity Availability
16328-18 50g 103.00
16328-30 250g 428.00
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Tetraethylammonium hydroxide, 25% w/w in methanol

MDL
MFCD00009024
EINECS
201-073-3

Chemical Properties

Formula
(CH3CH2)4NOH
Formula Weight
147.26
Form
Liquid
Boiling Point
dec.
Flash Point
16°(60°F)
Density
0.88
Refractive Index
1.380
Storage & Sensitivity
Air Sensitive. Ambient temperatures.
Solubility
Soluble in water.

Applications

It is used as a phase transfer catalyst, the template agent synthesized by molecular sieve and cleaning agents, as a surfactant, used to anisotropically etch silicon, in thermochemolysis, as a basic solvent in the development of acidic photo resist in the photolithography process.

Notes

Air Sensitive. Storage temperature is 2-8°C. Store in a cool, dry place in tightly closed container. Incompatible with oxidizing agents & air.

Literature References

Juan Yang.; Sen Mei.; José M.F. Ferreira. Hydrothermal processing of nanocrystalline anatase films from tetraethylammonium hydroxide peptized titania sols.J. Eur. Ceram. Soc.2004, 24,(2), 335-339.

GHS Hazard and Precautionary Statements

Hazard Statements: H225-H290-H300-H311+H331-H314-H335-H370-H372

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

Precautionary Statements: P210-P233-P234-P235-P240-P241-P242-P243-P260-P264b-P270-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P370+P378q-P390-P501c

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep container tightly closed. Keep only in original container. 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. 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 Absorb spillage to prevent material damage. Dispose of contents/ container to an approved waste disposal plant

Other References

Merck
14,9201
Beilstein
3912961
Hazard Class
3
Packing Group
II
Harmonized Tariff Code
2923.90
TSCA
Yes

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