Tetramethylammonium Hydroxide Pentahydrate

Suppliers

Names

[ Name ]:
Tetramethylammonium Hydroxide Pentahydrate

[Synonym ]:
Tetramethylammonium Hydroxide Pentahydrate
TMAH Pentahydrate
N,N,N-Trimethylmethanaminium hydroxide hydrate (1:1:5)
Methanaminium, N,N,N-trimethyl-, hydroxide, hydrate (1:1:5)
Tetramethylammonium hydroxide
tetramethylazanium,hydroxide,pentahydrate
EINECS 200-882-9
MFCD00149566

Chemical & Physical Properties

[ Melting Point ]:
67-70 °C(lit.)

[ Molecular Formula ]:
C₄H₂₃NO₆

[ Molecular Weight ]:
181.229

[ Exact Mass ]:
181.152542

[ PSA ]:
69.21000

[ Vapour density ]:
1.1 (vs air)

[ Vapour Pressure ]:
97 mm Hg ( 20 °C)

[ Storage condition ]:
0-6°C

[ Stability ]:
Stable. Incompatible with strong oxidizing agents, strong acids.

[ Water Solubility ]:
soluble

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS05, GHS06

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H300-H311-H314

[ Precautionary Statements ]:
P264-P280-P301 + P310-P305 + P351 + P338-P310

[ 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

[ Hazard Codes ]:
T:Toxic;C:Corrosive;

[ Risk Phrases ]:
R20/21/22;R24/25;R34;R44

[ Safety Phrases ]:
S26-S36/37/39-S45

[ RIDADR ]:
UN 3423 8/PG 2

[ WGK Germany ]:
1

[ RTECS ]:
PA0875000

[ Packaging Group ]:
II

[ Hazard Class ]:
8

[ HS Code ]:
2923900090

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2923900090

[ Summary ]:
2923900090 other quaternary ammonium salts and hydroxides。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Articles

Sleep drives metabolite clearance from the adult brain.

Science 342(6156) , 373-7, (2013)

The conservation of sleep across all animal species suggests that sleep serves a vital function. We here report that sleep has a critical function in ensuring metabolic homeostasis. Using real-time as...

Aquaporin-4 regulates extracellular space volume dynamics during high-frequency synaptic stimulation: a gene deletion study in mouse hippocampus.

Glia 60(6) , 867-74, (2012)

Little is known about the physiological roles of aquaporin-4 (AQP4) in the central nervous system. AQP4 water channels are concentrated in endfeet membranes of astrocytes but also localize to the fine...

Extracellular quaternary ammonium blockade of transient receptor potential vanilloid subtype 1 channels expressed in Xenopus laevis oocytes.

Mol. Pharmacol. 82(6) , 1129-35, (2012)

Transient receptor potential vanilloid subtype 1 (TRPV1) channels are essential nociceptive integrators in primary afferent neurons. These nonselective cation channels are inhibited by local anestheti...