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2052-49-5

Name Tetrabutylammonium hydroxide
CAS 2052-49-5
EINECS(EC#) 218-147-6
Molecular Formula C16H37NO
MDL Number MFCD00009425
Molecular Weight 259.47
MOL File 2052-49-5.mol

Chemical Properties

Appearance Aqueous solution.
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
Fp  7°C
storage temp.  2-8°C
solubility  Miscible with organic solvents.
form  Solution
color  APHA: ≤30
Specific Gravity 0.8586
Odor Odorless
PH Range 14
Water Solubility  Soluble in water, methanol.
Sensitive  Air Sensitive/Hygroscopic
Detection Methods T
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)
EPA Substance Registry System 2052-49-5(EPA Substance)

Safety Data

Hazard Codes  C,T,F
Risk Statements 
R34:Causes burns.
R36/38:Irritating to eyes and skin .
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R11:Highly Flammable.
R67:Vapors may cause drowsiness and dizziness.
R39/23/24/25:Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed .
R36:Irritating to the eyes.
R65:Harmful: May cause lung damage if swallowed.
R63:Possible risk of harm to the unborn child.
R38:Irritating to the skin.
Safety Statements 
S7:Keep container tightly closed .
S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36/37:Wear suitable protective clothing and gloves .
S62:If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label .
S27:Take off immediately all contaminated clothing .
RIDADR  UN 3267 8/PG 2
WGK Germany  1
RTECS  BS5425000
9-34
Hazard Note  Highly Flammable/Toxic/Corrosive/Air Sensitive/Hygroscopic
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29239000

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