331635
Tetramethylammonium hydroxide solution
25 wt. % in H2O
Manufacturer: Sigma Aldrich
CAS Number: 75-59-2
Synonym(S): TMAH solution
Select a Size
| Pack Size | SKU | Availability | Price |
|---|---|---|---|
| 250 ML | 331635-250-ML | In Stock | ₹ 5,347.55 |
| 1 L | 331635-1-L | In Stock | ₹ 14,873.55 |
331635 - 250 ML
In Stock
Quantity
1
Base Price: ₹ 5,347.55
GST (18%): ₹ 962.559
Total Price: ₹ 6,310.109
vapor pressure
17.5 mmHg ( 20 °C)
Quality Level
200
form
liquid
concentration
25 wt. % in H2O
refractive index
n20/D 1.3806
density
1.016 g/mL at 25 °C
SMILES string
[OH-].C[N+](C)(C)C
InChI
1S/C4H12N.H2O/c1-5(2,3)4;/h1-4H3;1H2/q+1;/p-1
InChI key
WGTYBPLFGIVFAS-UHFFFAOYSA-M
Other Options
Related Products
Description
- General description: Tetramethylammonium hydroxide solution is commonly used as a strong base[1] and nucleophilic source in organic synthesis reactions[2].
- Application: Tetramethylammonium hydroxide is a quaternary ammonium salt generally used as an anisotropic etchant for silicon due to its high silicon etching rate.[3][4]
SAFETY INFORMATION
Pictograms
Signal Word
Danger
Hazard Statements
Precautionary Statements
P260 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
Hazard Classifications
Acute Tox. 1 Dermal - Acute Tox. 2 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1B - STOT RE 1 Dermal - STOT SE 1
Target Organs
Central nervous system, Liver,thymus
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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vapor pressure: 17.5 mmHg ( 20 °C)
Quality Level: 200
form: liquid
concentration: 25 wt. % in H2O
refractive index: n20/D 1.3806
density: 1.016 g/mL at 25 °C
SMILES string: [OH-].C[N+](C)(C)C
InChI: 1S/C4H12N.H2O/c1-5(2,3)4;/h1-4H3;1H2/q+1;/p-1
InChI key: WGTYBPLFGIVFAS-UHFFFAOYSA-M
vapor pressure:
17.5 mmHg ( 20 °C)
Quality Level:
200
form:
liquid
concentration:
25 wt. % in H2O
refractive index:
n20/D 1.3806
density:
1.016 g/mL at 25 °C
SMILES string:
[OH-].C[N+](C)(C)C
InChI:
1S/C4H12N.H2O/c1-5(2,3)4;/h1-4H3;1H2/q+1;/p-1
InChI key:
WGTYBPLFGIVFAS-UHFFFAOYSA-M
vapor pressure: __
Quality Level: __
form: __
concentration: __
refractive index: __
density: __
SMILES string: __
InChI: __
InChI key: __
vapor pressure:
__
Quality Level:
__
form:
__
concentration:
__
refractive index:
__
density:
__
SMILES string:
__
InChI:
__
InChI key:
__
vapor pressure: __
Quality Level: 100
form: __
concentration: __
refractive index: __
density: __
SMILES string: Br[Ni]Br.c1ccc(cc1)P(c2ccccc2)c3ccccc3.c4ccc(cc4)P(c5ccccc5)c6ccccc6
InChI: 1S/2C18H15P.2BrH.Ni/c2*1-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9-15-18;;;/h2*1-15H;2*1H;/q;;;;+2/p-2
InChI key: QEKXARSPUFVXIX-UHFFFAOYSA-L
vapor pressure:
__
Quality Level:
100
form:
__
concentration:
__
refractive index:
__
density:
__
SMILES string:
Br[Ni]Br.c1ccc(cc1)P(c2ccccc2)c3ccccc3.c4ccc(cc4)P(c5ccccc5)c6ccccc6
InChI:
1S/2C18H15P.2BrH.Ni/c2*1-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9-15-18;;;/h2*1-15H;2*1H;/q;;;;+2/p-2
InChI key:
QEKXARSPUFVXIX-UHFFFAOYSA-L
vapor pressure: __
Quality Level: 100
form: powdersolid
concentration: __
refractive index: __
density: __
SMILES string: O.O.CC(=O)\C=C(/C)O[Gd](O\C(C)=C\C(C)=O)O\C(C)=C\C(C)=O
InChI: 1S/3C5H8O2.Gd.2H2O/c3*1-4(6)3-5(2)7;;;/h3*3,6H,1-2H3;;2*1H2/q;;;+3;;/p-3/b3*4-3+;;;
InChI key: VDRNKMRBGOSTIC-OCLMOVOUSA-K
vapor pressure:
__
Quality Level:
100
form:
powdersolid
concentration:
__
refractive index:
__
density:
__
SMILES string:
O.O.CC(=O)\C=C(/C)O[Gd](O\C(C)=C\C(C)=O)O\C(C)=C\C(C)=O
InChI:
1S/3C5H8O2.Gd.2H2O/c3*1-4(6)3-5(2)7;;;/h3*3,6H,1-2H3;;2*1H2/q;;;+3;;/p-3/b3*4-3+;;;
InChI key:
VDRNKMRBGOSTIC-OCLMOVOUSA-K