Tetramethylammonium hydroxide solution 25% in water, PurReagent

PurReagent


Synonym:  TMAH solution
Linear Formula:  C4H13NO
Molecular Weight:  91.15 g/mol
CAS Number: 75-59-2

Properties

Vapour pressure 17.5 mm Hg ( 20 °C)
Autoignition temp. No Data Available
Explosion limit No Data Available
Assay Purity 0.25
Refractive index n20/D 1.384
B pt. 110 °C
M pt. NoDataAvailable
Density 1.016 g/mL at 25 °C
Form Solid

Safety Information

Hazard Statement(s) H300 + H310,H314,H370,H372,H411
Precautionary Statement  P260 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
GHS Pictogram
Signal word Danger
HS Code NA
Storage Temp. Room Temperature
Storage Class 6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
UN Number 1835

Description

Application
It is extensively used as a photoresist developer in semiconductor fabrication in organic synthesis and in analytical chemistry.

Purpose
For R&D

General Description
Tetramethylammonium hydroxide solution is an aqueous solution of a strong quaternary ammonium base typically clear and colorless.