High Purity Chemicals

High Purity Chemicals
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High Purity Chemicals

Nitric Acid – Reagent Grade (AR/GR) & Electronic Grade (HNO₃) 65%-70%

High-purity acid for laboratory analysis and electronics manufacturing. AR, GR, and electronic grades available. Used in ICP-MS, wafer cleaning, and sample digestion. Small-pack packaging for lab and cleanroom use.

CAS NO.: 7697-37-2

UN NO.: 2031

Molecular Formula: HNO₃

Concentration: 65% – 70%

Appearance: Colorless to pale yellow liquid

Grades Available: AR (Analytical Reagent), GR (Guaranteed Reagent), Electronic Grade

Sulfuric Acid – Reagent Grade (AR/GR) & Electronic Grade (H₂SO₄) 95%-98%

High-purity acid for laboratory analysis and electronics manufacturing. AR, GR, and electronic grades available. Used in sample digestion, metal testing, and wafer cleaning. Small-pack packaging for lab and cleanroom use.

CAS NO.: 7664-93-9

UN NO.: 1830

Molecular Formula: H₂SO₄

Concentration: 95% – 98%

Appearance: Colorless to slightly yellow liquid

Grades Available: AR (Analytical Reagent), GR (Guaranteed Reagent), Electronic Grade

Hydrochloric Acid – Reagent Grade (AR/GR) & Electronic Grade (HCl) 31%-36%

High-purity acid for laboratory analysis and electronics manufacturing. AR, GR, and electronic grades available. Used in metal testing, pH adjustment, and wafer cleaning. Small-pack packaging for lab and cleanroom use.

CAS NO.: 7647-01-0

UN NO.: 1789

Molecular Formula: HCl

Concentration: 31% – 36%

Appearance: Clear, colorless liquid

Grades Available: AR (Analytical Reagent), GR (Guaranteed Reagent), Electronic Grade

Formic Acid – Reagent Grade (AR/GR) & Electronic Grade (HCOOH) 85%-98%

High-purity organic acid for laboratory analysis and electronics manufacturing. AR, GR, and electronic grades available. Used in pH calibration, metal cleaning, and wafer processing. Small-pack packaging for lab use.

CAS NO.: 64-18-6

UN NO.: 1779

Molecular Formula: HCOOH

Concentration: 85% – 90% – 94% – 98%

Appearance: Colorless fuming liquid

Grades Available: AR (Analytical Reagent), GR (Guaranteed Reagent), Electronic Grade

Glacial Acetic Acid – Reagent Grade (AR/GR) & Electronic Grade (CH₃COOH) 99.5%-99.8%

High-purity organic acid for laboratory analysis and electronics manufacturing. AR, GR, and electronic grades available. Used in HPLC mobile phases, metal cleaning, and wafer processing. Small-pack packaging for lab use.

CAS NO.: 64-19-7

UN NO.: 2789

Molecular Formula: CH₃COOH

Concentration: 99.5% – 99.8%

Appearance: Clear, colorless liquid; freezes at 16.7°C

Grades Available: AR (Analytical Reagent), GR (Guaranteed Reagent), Electronic Grade

Sodium Hydroxide – Reagent Grade (AR/GR) & Electronic Grade (NaOH) Pellets & Solution

High-purity base for laboratory analysis and electronics manufacturing. AR, GR, and electronic grades available. Used in titration, pH adjustment, and wafer cleaning. Available as solid pellets or standardized solution.

CAS NO.: 1310-73-2

UN NO.: 1823 (solid) / 1824 (solution)

Molecular Formula: NaOH

Available Forms: Solid pellets (98%+), Standardized solution (0.1N – 1.0N)

Appearance: White solid or colorless liquid

Grades Available: AR (Analytical Reagent), GR (Guaranteed Reagent), Electronic Grade

Sodium Hypochlorite – Reagent Grade (AR/GR) & Electronic Grade (NaClO) 5%-10%

High-purity oxidizing agent for laboratory analysis and electronics cleaning. AR, GR, and electronic grades available. Used in disinfection testing, residue analysis, and wafer processing. Small-pack packaging for lab use.

CAS NO.: 7681-52-9

UN NO.: 1791

Molecular Formula: NaClO

Concentration: 5% – 10% available chlorine

Appearance: Clear, pale greenish-yellow liquid

Grades Available: AR (Analytical Reagent), GR (Guaranteed Reagent), Electronic Grade

Ammonium Hydroxide – Reagent Grade (AR/GR) & Electronic Grade (NH₃·H₂O) 25%-28%

High-purity volatile base for laboratory analysis and electronics manufacturing. AR, GR, and electronic grades available. Used in pH calibration, metal complexation, and wafer cleaning. Small-pack packaging for lab use.

CAS NO.: 1336-21-6

UN NO.: 2672

Molecular Formula: NH₃·H₂O

Concentration: 25% – 28% NH₃

Appearance: Clear, colorless liquid with pungent odor

Grades Available: AR (Analytical Reagent), GR (Guaranteed Reagent), Electronic Grade

Formaldehyde Solution – Reagent Grade (AR/GR) & Electronic Grade (CH₂O) 37%-40%

High-purity aldehyde for laboratory analysis and electronics manufacturing. AR, GR, and electronic grades available. Used in histology fixation, residue testing, and wafer processing. Small-pack packaging for lab use.

CAS NO.: 50-00-0

UN NO.: 2209

Molecular Formula: CH₂O (as formalin)

Concentration: 37% – 40% with methanol stabilizer

Appearance: Clear, colorless liquid with pungent odor

Grades Available: AR (Analytical Reagent), GR (Guaranteed Reagent), Electronic Grade

Hydrogen Peroxide – Reagent Grade (AR/GR) & Electronic Grade (H₂O₂) 30%-35%

High-purity oxidizing agent for laboratory analysis and electronics manufacturing. AR, GR, and electronic grades available. Used in residue testing, organic digestion, and wafer cleaning. Small-pack packaging for lab use.

CAS NO.: 7722-84-1

UN NO.: 2014

Molecular Formula: H₂O₂

Concentration: 30% – 35%

Appearance: Clear, colorless liquid

Grades Available: AR (Analytical Reagent), GR (Guaranteed Reagent), Electronic Grade

Hydrazine Hydrate – Reagent Grade (AR/GR) & Electronic Grade (N₂H₄·H₂O) 24%-80%

High-purity reducing agent for laboratory synthesis and electronics manufacturing. AR, GR, and electronic grades available. Used in oxygen scavenging, polymer blowing agents, and metal passivation. Small-pack packaging for lab use.

CAS NO.: 10217-52-4

UN NO.: 2030

Molecular Formula: N₂H₄·H₂O

Concentration: 24% – 80%

Appearance: Clear, colorless fuming liquid

Grades Available: AR (Analytical Reagent), GR (Guaranteed Reagent), Electronic Grade

HICHEM continues to strengthen its position as a leading manufacturer and exporter of industrial chemicals and fertilizers, leveraging its fully integrated production system established since 2007.
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