328251
Tetramethylammonium hydroxide solution
10 wt. % in H₂O, solution
Synonym(s):
N,N,N-trimethyl-methanaminium hydroxide, TMAH, TMAOH
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About This Item
Product Name
Tetramethylammonium hydroxide solution, 10 wt. % in H2O
vapor pressure
17.5 mmHg ( 20 °C)
Quality Segment
reaction suitability
core: ammonium
concentration
10 wt. % in H2O
refractive index
n20/D 1.3521
pH
(ca.13 at 20 °C (68 °F))
solubility
water: soluble
density
1.006 g/mL at 25 °C
functional group
amine
SMILES string
[OH-].C[N+](C)(C)C
InChI
1S/C4H12N.H2O/c1-5(2,3)4;/h1-4H3;1H2/q+1;/p-1
InChI key
WGTYBPLFGIVFAS-UHFFFAOYSA-M
General description
Application
- A reactant to synthesize epoxy-polyhedral oligomeric silsesquioxanes (EPOSS) via sol-gel method using 2-(3,4-epoxycyclohexyl)ethyltrimethoxysilane (ECTMS) in IPA.
- An ionic liquid to modify SnO2 nanocrystals, which are applicable as an efficient electron transport layer in perovskite solar cells.
TMAH can also be used as an anisotropic etchant for silicon due to its high silicon etching rate. The main advantage of using TMAH is that it causes no danger to electrical circuits due to the absence of alkali ions.
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Danger
Hazard Classifications
Acute Tox. 1 Dermal - Acute Tox. 3 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1B - STOT RE 1 Dermal - STOT SE 1
target_organs
Central nervous system, Liver,thymus
Storage Class
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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