Tetramethylammonium hydroxide pentahydrate

Purity: 97%

Synonym(s): TMAH Pentahydrate

Formula: C4H13NO·5H2O Molecular Weight: 181.23

CAS Number: 10424-65-4 Beilstein Number: 3714235 EC Number: 200-882-9 MDL Number: MFCD00149566 PubChem CID: 82620

Properties

Shelf life: 1460 days

Solubility: Soluble in water and methanol.

Sensitivity: Air and Moisture Sensitive

Boiling point: 120°C

Melting point: 63°C

InChl: InChI=1S/C4H12N.6H2O/c1-5(2, 3)4; ; ; ; ; ; /h1-4H3; 6*1H2/q+1; ; ; ; ; ; /p-1

Safety Information

Pictograms: GHS06; GHS05

Signal Word: Danger

Hazard Statements: H301; H311; H314; H300; H290

Precautionary Statements: P280; P302+P352; P321; P405; P501; P264; P260; P270; P301+P330+P331; P304+P340; P363; P330; P234; P390; P406; P361+P364; P301+P316; P305+P354+P338; P302+P361+P354; P316

WGK: 1

Storage: Argon charged

Personal Protective Equipment: Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges