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Tetrabutylammonium hydroxide Structure

Tetrabutylammonium hydroxide

Chemical Properties

Melting point 27-30 °C(lit.)
Boiling point 100 °C
Density  0.995
vapor density  1 (vs air)
vapor pressure  2.3 kPa (@ 20°C)
refractive index  1.4
Flash point 7°C
storage temp.  Store below +30°C.
solubility  Miscible with organic solvents.
form  Solution
Specific Gravity 0.8586
color  APHA: ≤30
Odor Odorless
PH Range 14
Water Solubility  Soluble in water, methanol.
Sensitive  Air Sensitive/Hygroscopic
BRN  3571228
Exposure limits ACGIH: TWA 200 ppm; STEL 250 ppm (Skin)
OSHA: TWA 200 ppm(260 mg/m3)
NIOSH: IDLH 6000 ppm; TWA 200 ppm(260 mg/m3); STEL 250 ppm(325 mg/m3)
Stability Volatile
InChIKey VDZOOKBUILJEDG-UHFFFAOYSA-M
LogP 1.517 at 25℃
CAS DataBase Reference 2052-49-5(CAS DataBase Reference)
FDA UNII 68I858J9S1
EPA Substance Registry System 1-Butanaminium, N,N,N-tributyl-, hydroxide (2052-49-5)
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Safety

Symbol(GHS) GHS hazard pictogramsGHS hazard pictograms
Signal wordDanger
Hazard statements H314-H317
Precautionary statements P261-P272-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes  C,T,F,Xn
Risk Statements  34-36/38-23/24/25-11-67-39/23/24/25-36-65-63-38-48/20-35-20/21/22-10-68/20/21/22
Safety Statements  7-16-26-36/37/39-45-36/37-62-27
RIDADR  UN 3267 8/PG 2
WGK Germany  1
RTECS  BS5425000
F  9-34
Hazard Note  Highly Flammable/Toxic/Corrosive/Air Sensitive/Hygroscopic
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29239000
NFPA 704:
3
3 0

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