87726

Tetramethylammonium hydrogen sulfate monohydrate

crystallized, ≥98.0% (T)

• Synonym(s): N,N,N-trimethyl-methanaminium sulfate hydrate
• Linear Formula: (CH₃)₄N(HSO₄) · H₂O
• CAS Number: 103812-00-6
• Molecular Weight: 189.23
• Beilstein: 4829202
• MDL number: MFCD00150356
• UNSPSC Code: 12352116
• PubChem Substance ID: 57653262
• NACRES: NA.22

Properties

• Quality Level: 100
• Assay: ≥98.0% (T)
• form: crystals
• quality: crystallized
• SMILES string: O.C[N+](C)(C)C.OS([O-])(=O)=O
• InChI: 1S/C4H12N.H2O4S.H2O/c2*1-5(2,3)4;/h1-4H3;(H2,1,2,3,4);1H2/q+1;;/p-1
• InChI key: VSJXNAHOWBCQRE-UHFFFAOYSA-M

Description

General description

Crystals of tetramethylammonium hydrogen sulfate monohydrate generally exhibit ferroelectricity in the temperature range from -104 °C to 40 °C.

Application

Tetramethylammonium hydrogen sulfate monohydrate can be used as a phase transfer catalyst in polymer synthesis.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves