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Acids

Inorganic Acids (17)

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Silicic Acid (Precipitated Powder/Certified), Fisher Chemical

CAS: 1343-98-2 Molecular Formula: O2Si Molecular Weight (g/mol): 60.08 MDL Number: MFCD00011232 MFCD00217788 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 InChI Key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N Synonym: Silica Acid IUPAC Name: silanedione SMILES: O=[Si]=O

EDGE
CAS 1343-98-2
Molecular Weight (g/mol) 60.08
MDL Number MFCD00011232 MFCD00217788 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733
SMILES O=[Si]=O
Synonym Silica Acid
IUPAC Name silanedione
InChI Key VYPSYNLAJGMNEJ-UHFFFAOYSA-N
Molecular Formula O2Si
2

Silicic acid hydrate

CAS: 1343-98-2 Molecular Formula: O2Si Molecular Weight (g/mol): 60.08 MDL Number: MFCD00011232 MFCD00217788 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 InChI Key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N Synonym: orthosilicic acid,monosilicic acid,tetrahydroxysilane,h4sio4,silicon tetrahydroxide,silicasol,kieselsaeure,si oh 4,unii-623b93yabh,orthosilicicacid PubChem CID: 14942 ChEBI: CHEBI:26675 IUPAC Name: silicic acid SMILES: O=[Si]=O

PubChem CID 14942
CAS 1343-98-2
Molecular Weight (g/mol) 60.08
ChEBI CHEBI:26675
MDL Number MFCD00011232 MFCD00217788 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733
SMILES O=[Si]=O
Synonym orthosilicic acid,monosilicic acid,tetrahydroxysilane,h4sio4,silicon tetrahydroxide,silicasol,kieselsaeure,si oh 4,unii-623b93yabh,orthosilicicacid
IUPAC Name silicic acid
InChI Key VYPSYNLAJGMNEJ-UHFFFAOYSA-N
Molecular Formula O2Si
3

Silicic Acid, n-Hydrate, Powder, BAKER ANALYZED™ Reagent, J.T. Baker™

CAS: 63231-67-4 Molecular Formula: H2O3Si Molecular Weight (g/mol): 78.098 InChI Key: IJKVHSBPTUYDLN-UHFFFAOYSA-N Synonym: metasilicic acid,silicic acid h2sio3,mikronisil,acidum silicicum,bio-sil,kieselsaure german,cubosic,dihydroxysilanone,silica acid,polysilicic acid PubChem CID: 14768 IUPAC Name: dihydroxy(oxo)silane SMILES: O[Si](=O)O

PubChem CID 14768
CAS 63231-67-4
Molecular Weight (g/mol) 78.098
SMILES O[Si](=O)O
Synonym metasilicic acid,silicic acid h2sio3,mikronisil,acidum silicicum,bio-sil,kieselsaure german,cubosic,dihydroxysilanone,silica acid,polysilicic acid
IUPAC Name dihydroxy(oxo)silane
InChI Key IJKVHSBPTUYDLN-UHFFFAOYSA-N
Molecular Formula H2O3Si
4

Fluosilicic acid, 25 wt.% aqueous solution

CAS: 16961-83-4 | F6H2Si | 144.091 g/mol

Linear Formula H2SiF6
Molecular Weight (g/mol) 144.091
Color Colorless
Physical Form Liquid
Chemical Name or Material Fluosilicic acid
SMILES [H+].[H+].F[Si-2](F)(F)(F)(F)F
InChI Key OHORFAFFMDIQRR-UHFFFAOYSA-P
Density 1.2700g/mL
PubChem CID 21863527
Percent Purity 19 to 20.6% (total fluorine)
CAS 7732-18-5
Health Hazard 3 GHS P Statement:
IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
Wear protective gloves/protective clothing/eye protection/face protection.
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 or doctor/physician.
Wash face, hands and any exposed skin thoroughly after handling.
Do not breathe dust/fume/gas/mist/vapors/spray.

WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.
MDL Number MFCD00036289
Health Hazard 2 GHS H Statement:
Causes severe skin burns and eye damage.
Packaging Plastic bottle
Health Hazard 1 Danger
Synonym hexafluorosilicic acid,fluorosilicic acid,dihydrogen hexafluorosilicate,silicate 2-, hexafluoro-, dihydrogen,hexafluorosilicon 2-; hydron,dihydrogen hexafluorosilanediuide,silicofluoridd,hexafluorosilic acid,hydrofluorosilic acid,kieselfluorwasserstoffsaure
TSCA TSCA
RTECS Number VV8225000
IUPAC Name hexafluorosilicon(2-);hydron
Molecular Formula F6H2Si
EINECS Number 241-034-8
Formula Weight 144.09
Specific Gravity 1.27
5

LaMarKa Chemical Company Hydrochloric Acid 6N Low Si 1L
SDP

Hydrochloric Acid 6N Si Free-Bottle Liter Plastic

ENCOMPASS_PREFERRED
6

eMolecules​ 1234692-55-7 | PHOSPHORIC ACID CHLOROMETHYL ESTER BIS-(2-TRIMETHYLSILANYL-ETHYL) ESTER | AstaTech | MFCD29918286 | 346.930 | C11H28ClO4PSi2 | 95.000 | C[Si](C)(C)CCOP(=O)(OCCl)OCC[Si](C)(C)C | 1g | 386413518

PHOSPHORIC ACID CHLOROMETHYL ESTER BIS-(2-TRIMETHYLSILANYL-ETHYL) ESTER | AstaTech | 1234692-55-7 | MFCD29918286 | 346.930 | C11H28ClO4PSi2 | 95.000 | C[Si](C)(C)CCOP(=O)(OCCl)OCC[Si](C)(C)C | 1g | 386413518

ENCOMPASS_PREFERRED
7

eMolecules​ 1343-98-2 | Silicic acid | Oakwood Chemicals | MFCD00054122 | 78.098 | H2O3Si | 0.000 | O[Si](O)=O | 25g | 480151638

Silicic acid | Oakwood Chemicals | 1343-98-2 | MFCD00054122 | 78.098 | H2O3Si | 0.000 | O[Si](O)=O | 25g | 480151638

ENCOMPASS_PREFERRED
8

Sigma Aldrich Phosphotungstic acid hydrate

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS ENCOMPASS_PREFERRED
Percent Purity 99.995% trace metals basis (Purity excludes up to 300 ppm Si)
Linear Formula H3[P(W3O10)4 ] -+ xH2O
CAS 12501-23-4
Molecular Weight (g/mol) 2880.05
MDL Number MFCD00149915
Synonym Tungstophosphoric acid
Recommended Storage Room Temperature
Molecular Formula H3O40PW12 -+ xH2O
Melting Point ∼95°C
9

Medchemexpress LLC MEDCHEMEXPRESS LLC
SDP

NC3985934 SI-109 10MM 1ML SOLUION

ENCOMPASS_PREFERRED
10

LAB ALLEY Lab Alley Hydrofluoric Acid 5% Solution Lab Grade
SDP

Hydrofluoric Acid also known as Hydrogen Fluoride Fluoric Acid Fluorine Hydride and Fluor Hydric Acid appears as a clear colorless to yellow liquid. It is a fuming liquid with an acidic strong suffocating odor. It is shipped as a compressed gas in steel cylinders and is soluble in Water and Alcohol but slightly soluble in Ether. It is the strongest inorganic acid and is commonly used in research due to its ability to etch silicon compounds. Lab Alley Hydrofluoric Acid contains 5% Hydrogen Fluoride mixed with 95% of Water. Chemically pure or Laboratory reagents are two terms often used to describe Lab Grade chemicals. Lab Grade chemicals do not meet any accepted quality or purity requirements such as the ACS Grade the USP Grade and the FCC Grade despite their acceptable purity.

ENCOMPASS
11

GFS Chemicals Inc NITRIC ACID, VERITAS DOUBLE DISTILLED | 2 L | GFS CHEMICALS, INC. Item #: 53205 | Bulk #: 621
SDP

NITRIC ACID, VERITAS DOUBLE DISTILLED | Chemical Formula : HNO!3 | CAS # : 7697-37-2 | Specifications PPT : Ag , Al , Arsenic 0.0000001 % , As , Assay 68.0 % - Min, Au , B , Ba , Be , Bi , Ca , Cd , Ce , Chloride 0.00001 % , Co , Cr , Cs , Cu , Dy , Er , Eu , Fe , Ga , Gd , Ge , Heavy Metals 0.000001 % , Hf , Hg , Ho , In , Ir , Iron 0.000001 % , K , La , Li , Lu , Mg , Mn , Mo , Na , Nb , Nd , Ni , Os , P , Pb , Pd , Pr , Pt , Rb , Re , Residue after ignition 0.00001 % , Rh , Ru , Sb , Sc , Se , Si , Sm , Sn , Sr , Sulfate 0.00001 % , Ta , Tb , Te , Th , Ti , Tl , Tm , U , V , W , Y , Yb , Zn , Zr

ENCOMPASS_PREFERRED
12

GFS Chemicals Inc NITRIC ACID, VERITAS DOUBLE DISTILLED | 500 ML | GFS CHEMICALS, INC. Item #: 53202 | Bulk #: 621
SDP

NITRIC ACID, VERITAS DOUBLE DISTILLED | Chemical Formula : HNO!3 | CAS # : 7697-37-2 | Specifications : Ag (ppt), Al (ppt), Arsenic 0.0000001 % , As (ppt), Assay 68.0 % - Min, Au (ppt), B (ppt), Ba (ppt), Be (ppt), Bi (ppt), Ca (ppt), Cd (ppt), Ce (ppt), Chloride 0.00001 % , Co (ppt), Cr (ppt), Cs (ppt), Cu (ppt), Dy (ppt), Er (ppt), Eu (ppt), Fe (ppt), Ga (ppt), Gd (ppt), Ge (ppt), Heavy Metals 0.000001 % , Hf (ppt), Hg (ppt), Ho (ppt), In (ppt), Ir (ppt), Iron 0.000001 % , K (ppt), La (ppt), Li (ppt), Lu (ppt), Mg (ppt), Mn (ppt), Mo (ppt), Na (ppt), Nb (ppt), Nd (ppt), Ni (ppt), Os (ppt), P (ppt), Pb (ppt), Pd (ppt), Pr (ppt), Pt (ppt), Rb (ppt), Re (ppt), Residue after ignition 0.00001 % , Rh (ppt), Ru (ppt), Sb (ppt), Sc (ppt), Se (ppt), Si (ppt), Sm (ppt), Sn (ppt), Sr (ppt), Sulfate 0.00001 % , Ta (ppt), Tb (ppt), Te (ppt), Th (ppt), Ti (ppt), Tl (ppt), Tm (ppt), U (ppt), V (ppt), W (ppt), Y (ppt), Yb (ppt), Zn (ppt), Zr (ppt)

ENCOMPASS_PREFERRED
13

Avantor Macron Silicic Acid AR Powder, Macron™

CAS: 63231-67-4 Molecular Formula: H2O3Si Molecular Weight (g/mol): 78.098 InChI Key: IJKVHSBPTUYDLN-UHFFFAOYSA-N Synonym: metasilicic acid,silicic acid h2sio3,acidum silicicum,bio-sil,kieselsaure german,cubosic,dihydroxysilanone,silica acid PubChem CID: 14768 IUPAC Name: dihydroxy(oxo)silane SMILES: O[Si](=O)O

PubChem CID 14768
CAS 63231-67-4
Molecular Weight (g/mol) 78.098
SMILES O[Si](=O)O
Synonym metasilicic acid,silicic acid h2sio3,acidum silicicum,bio-sil,kieselsaure german,cubosic,dihydroxysilanone,silica acid
IUPAC Name dihydroxy(oxo)silane
InChI Key IJKVHSBPTUYDLN-UHFFFAOYSA-N
Molecular Formula H2O3Si