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Inorganic Acids

Inorganic acids, or mineral acids, are highly corrosive, water-soluble, and derived from inorganic compounds. Available in a range of chemical compositions and acid strengths, they can be used for syntheses of organic and inorganic chemicals.
Phosphoric Acid (16)
Hydrochloric Acid (9)
Boric Acid (7)
Chromosulfuric Acid (6)
Selenous Acid (5)
Sulfuric Acid (3)
Phosphotungstic Acid (2)
Sulfamic Acid (2)
Chlorosulfonic Acid (1)
Fluosilicic Acid (1)
Hydrofluoric Acid (1)
Metaphosphoric Acid (1)
Periodic Acid (1)
Silicic Acid (1)

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1 – 15 of 43 results
1

Hydrofluoric Acid, OmniTrace™, MilliporeSigma™

Molecular Formula: HF in water

Molecular Formula HF in water
2

AARON CHEMISTRY

NC3921112 22-DIHYDROXYACETIC ACID

ENCOMPASS
3

Sigma Aldrich Diisooctylthiophosphinic acid

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
CAS 132767-86-3
4

Sigma Aldrich Selenous Acid

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
Linear Formula H2SeO3
CAS 7783-00-8
Molecular Weight (g/mol) 128.97 g/mol
MDL Number MFCD00011331
Synonym Selenious acid
RTECS Number VS7175000
Recommended Storage Room Temperature
Molecular Formula H2O3Se
EINECS Number 231-974-7
Density 3.004 g/mL at 25°C
Melting Point 70°C
5

Sigma Aldrich Selenous acid

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 99.999% trace metals basis
Linear Formula H2SeO3
CAS 7783-00-8
Molecular Weight (g/mol) 128.97
MDL Number MFCD00011331
Synonym Selenious acid
RTECS Number VS7175000
Recommended Storage Room Temperature
Molecular Formula H2O3Se
EINECS Number 231-974-7
Density 3.004 g/mL (at 25°C)
Melting Point 70°C
6

Sigma Aldrich Boric acid

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 99.97% trace metals basis
Linear Formula H3BO3
CAS 10043-35-3
Molecular Weight (g/mol) 61.83
MDL Number MFCD00011337
Synonym Boracic acid; Borofax
RTECS Number ED4550000
Recommended Storage Room Temperature
Molecular Formula H3BO3
EINECS Number 233-139-2
Density 1.440 g/cm3
Melting Point 160°C
7

Sigma Aldrich Sulfuric Acid

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
Boiling Point ∼290°C
Linear Formula H2SO4
CAS 7664-93-9
Molecular Weight (g/mol) 98.08 g/mol
MDL Number MFCD00064589
Health Hazard 1 UN 1830 8 / PGII
RTECS Number WS5600000
Recommended Storage Room Temperature
Molecular Formula H2O4S
EINECS Number 231-639-5
Density 1.840 g/mL at 25°C
8

Sigma Aldrich Phosphoric acid

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
Boiling Point 158°C
Percent Purity ≥99.999% trace metals basis
Linear Formula H3PO4
CAS 7664-38-2
Molecular Weight (g/mol) 98
MDL Number MFCD00011340
Synonym Orthophosphoric acid
RTECS Number TB6300000
Recommended Storage Room Temperature
Molecular Formula H3O4P
EINECS Number 231-633-2
Density 1.685 g/mL at 25°C; 1.830 g/mL (at 25°C)
Melting Point ∼40°C; 41°C to 44°C
9

Sigma Aldrich Phosphoric acid

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
Boiling Point 158°C
Percent Purity ≥99.999% trace metals basis
Linear Formula H3PO4
CAS 7664-38-2
Molecular Weight (g/mol) 98
MDL Number MFCD00011340
Synonym Orthophosphoric acid
Recommended Storage Room Temperature
Molecular Formula H3O4P
EINECS Number 231-633-2
Density 1.685 g/mL (at 25°C)
Melting Point ∼40°C
10

Sigma Aldrich Glutaconic acid

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
CAS 1724-02-3
11

Sigma Aldrich Phytic acid solution

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
Boiling Point 105°C
Linear Formula C6H18O24P6
CAS 83-86-3
Molecular Weight (g/mol) 660.04
MDL Number MFCD00082309
Synonym myo-Inositol hexakis(dihydrogen phosphate)
Recommended Storage Room Temperature
Molecular Formula C6H18O24P6
Density 1.432 g/mL (at 25°C)
12

Sigma Aldrich Periodic Acid

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
CAS 92611-10-4
13

Sigma Aldrich Silicic Acid

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
CAS 69075-47-4
14

Sigma Aldrich Chlorosulfonic Acid

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
Boiling Point 151°C to 152°C (755 mmHg, lit.)
Linear Formula ClSO3H
CAS 7790-94-5
Biological Activity Respiratory System
Molecular Weight (g/mol) 116.52 g/mol
MDL Number MFCD00011523
Health Hazard 1 UN 1754 8 / PGI
Refractive Index n20/D 1.433
RTECS Number FX5730000
Recommended Storage Room Temperature
Molecular Formula HClO3S
EINECS Number 232-234-6
Density 1.753 g/mL at 25°C
15

Sigma Aldrich Boric acid

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 99.999% trace metals basis
Linear Formula H3BO3
CAS 10043-35-3
Molecular Weight (g/mol) 61.83
MDL Number MFCD00011337
RTECS Number ED4550000
Recommended Storage Room Temperature
Molecular Formula H3BO3
EINECS Number 233-139-2
Density 1.49 g/cm3 (at 23°C)
Melting Point 160°C