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CAS RN: 75-59-2 | Product Number: T1460

Tetramethylammonium Hydroxide (ca. 25% in Water)


Purity:
Poisonous substance |Chemical Substance Law (ENCS):   2-186 |Priority Assessment Chemical Substance
Synonyms:
  • TMAH (ca. 25% in Water)
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25ML
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500ML
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≥20  ≥20  ≥20 
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Product Number T1460
Molecular Formula / Molecular Weight C__4H__1__3NO = 91.15  
Physical State (20 deg.C) Liquid
Store Under Inert Gas Store under inert gas
Condition to Avoid Air Sensitive
CAS RN 75-59-2
Reaxys Registry Number 3558708
PubChem Substance ID 87577222
Merck Index (14) 9224
MDL Number

MFCD00008280

Specifications
Appearance Colorless to Light yellow clear liquid
Concentration(Neutralization titration) 24.0 to 26.4 w/w%
Properties (reference)
GHS
Pictogram Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H301 + H311 : Toxic if swallowed or in contact with skin.
H314 : Causes severe skin burns and eye damage.
H370 : Causes damage to organs.
H372 : Causes damage to organs through prolonged or repeated exposure.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P260 : Do not breathe dust/ fume/ gas/ mist/ vapors/ spray.
P270 : Do not eat, drink or smoke when using this product.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P308 + P311 : IF exposed or concerned: Call a POISON CENTER/doctor.
P361 + P364 : Take off immediately all contaminated clothing and wash it before reuse.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
P301 + P330 + P331 : IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P301 + P310 + P330 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. Rinse mouth.
P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor.
P405 : Store locked up.
Related Laws:
Chemical Substance Law (ENCS) 2-186
Priority Assessment Chemical Substance
Poisonous or Deleterious Poisonous substance
RTECS# PA0875000
Transport Information:
UN Number UN1835
Class 8
Packing Group II

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