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Tetramethylammonium hydroxide, 25% solution, semiconductor grade

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Formula: (CH3)4N-OH
CAS: 75-59-2
search Element: tetramethylammonium semiconductor hydroxide solution grade
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Identification

Structural Formula
Tetramethylammonium hydroxide, 25% solution, semiconductor grade
CAS:
75-59-2
EINECS:
200-882-9
Molecular Formula:
(CH3)4N-OH
MDL:
Synonym:
tmah ; nmw-w ; az-726 ; az-300mif ; ocg945 ; tritonne ; nmd3 ; tmnoh ; ar-300-49 ; developer




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Properties for Tetramethylammonium hydroxide, 25% solution, semiconductor grade

Molecular Weight:
91.15 g·mol−1
Density:
0.866 g/mL at 25 °C
Melting point:
°C
Boiling point:
110 °C
Flash point:
80 ºF
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Safety & Transport Information

Risk Codes:
R10 - Flammable
R11 - Highly flammable
R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed
R21 - Harmful in contact with skin
R21/22 - Harmful in contact with skin and if swallowed
R23 - Toxic by inhalation
R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed
R24/25 - Toxic in contact with skin and if swallowed
R25 - Toxic if swallowed
R27/28 - Very toxic in contact with skin and if swallowed
R34 - Causes burns
R35 - Causes severe burns
R36 - Irritating to eyes
R36/38 - Irritating to eyes and skin
R39/23/24/25 - Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed
R48/24 - Toxic: danger of serious damage to health by prolonged exposure in contact with skin
R52 - Harmful to aquatic organisms
R67 - Vapours may cause drowsiness and dizziness
Safety Codes:
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
S28 - After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer)
S36/37 - Wear suitable protective clothing and gloves
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 the label where possible)
Hazard Classes:
3
Hazard Symbols:
C, T, F, T+, Xn
Hazard symbol T Hazard symbol C Hazard symbol F Hazard symbol Xn Hazard symbol T+
Storage temperature :
2-8°C
RID/ADR certification :
UN 3286 3 / PG 2
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Alternative Distributors of [Tetramethylammonium hydroxide, 25% solution, semiconductor grade]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

Chem-Impex International, Inc. | Molekula GmbH | TCI Europe NV | Tedia Company, Inc. | scienTEST | Wanko Chemical Co., Ltd.

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