Tetramethylammonium Hydroxide CAS 75-59-2 for Precise Chemical Synthesis

Product Description:

Product Name: Tetramethylammonium hydroxide CAS NO: 75-59-2

Synonyms:

Developer;

ocg945;

AZ-300MIF;

Chemical & Physical Properties:

Appearance: Colorless to yellow liquid

Assay :≥99.00%

Density: 1.016 (25% aq.)

Boiling Point: 110℃

Flash Point: 6℃

Refractive Index: 1.3806

Water Solubility: Soluble in water.

Sensitive: Air Sensitive

Stability: Stable. Flammable. Incompatible with strong oxidizing agents, strong acids.

Storage Condition: 2-8℃

Vapor Pressure: 17.5 mm Hg (20℃)

Safety Information:

RTECS: PA0875000

Hazard Class: 3

Safety Statements: S26-S36/37/39-S45

HS Code: 2923900090

Packing Group: II

WGK Germany: 1

RIDADR: UN 3286 3/PG 2

Risk Statements: R20/21/22; R34

Hazard Codes: C,T,F,T+,Xn

Caution Statements: P260; P280; P301 + P310 + P330; P303 + P361 + P353; P304 + P340 + P310; P305 + P351 + P338; P308 + P311

Symbols: GHS05, GHS06, GHS08, GHS09

Hazard Declaration: H300 + H310; H314; H370; H372; H411

Signal Word: Danger

Tetramethylammonium hydroxide (TMAH or TMAOH) is a quaternary ammonium salt with the molecular formula N(CH3)4+ OH−, and is one of the simplest members of this class of organic compounds. This substance is known in a (relatively) stable solid form only as the pentahydrate. Commercially, the forms in which TMAH is most commonly encountered are as concentrated solutions in water or methanol. The solid and solutions are colorless, or yellowish if impure. Although TMAH has virtually no odor when pure, samples often have a strongly fishy smell from the trimethylamine which is commonly present as an impurity. TMAH has numerous and diverse industrial and research applications (see below).

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