NIST Traceable Gas Standards certified

NIST Traceable Gas Standards

OSHA Compliance certified

OSHA Compliance

Hydrogen Cyanide (HCN) Calibration Gas

SpecGas Inc. Hydrogen Cyanide (HCN) Calibration Gas provides NIST-traceable, precisely blended HCN mixtures ranging from 100 ppb to 10% concentration. Supplied in specially-treated aluminum cylinders for extended shelf life, these gases serve gas detector calibration, industrial manufacturing, mining, agriculture, pharmaceutical, and metallurgical applications.

Hydrogen Cyanide (HCN) Calibration Gas

Our Range of Products

Hydrogen Cyanide (HCN) Calibration Gas

Hydrogen Cyanide (HCN) Calibration Gas

  • NIST traceable accuracy, 100 ppb–10%
  • Treated aluminum cylinders, 5.9L–47L
  • Custom blends in N₂, air, or inert gas

Frequently Asked Questions

What is the OSHA limit for HCN?

OSHA has established exposure limits for Hydrogen Cyanide (HCN) that must be strictly followed in any workplace where HCN is present. Along with CDC safety guidelines, these limits require proper ventilation, calibrated gas detection equipment, and appropriate personal protective equipment (PPE). Always ensure your HCN gas detector is correctly calibrated before entering potentially exposed environments to remain compliant with OSHA standards.

What concentration ranges are available for HCN calibration gas?

Is SpecGas's HCN calibration gas NIST traceable?

How is the stability of HCN calibration gas ensured?

What balance gases can be used with HCN calibration mixtures?

What cylinder types and sizes are available for HCN calibration gas?

What industries use HCN calibration gas?

Can SpecGas provide custom HCN calibration gas blends, and how quickly can they be delivered?

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Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Workplace Safety & Gas Detection

Workplace Safety & Gas Detection

HCN calibration gas used to verify and calibrate toxic gas detectors and monitoring instruments in industrial workplaces.

Chemical & Industrial Manufacturing

Chemical & Industrial Manufacturing

HCN serves as an intermediate chemical in the production of plastics, acrylic fibers, rubber, dyes, and paints.

Mining & Metallurgy

Mining & Metallurgy

HCN is a precursor to sodium cyanide used in gold and silver extraction, electroplating, and steel case hardening.

Pharmaceutical & Agriculture

Pharmaceutical & Agriculture

HCN is used in antihypertensive drug synthesis, PMMA biomaterials, and as an agricultural fumigant and pesticide ingredient.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Safety & Industrial Professionals Choose SpecGas Inc.

Proprietary Cylinder Treatment Process

SpecGas's one-of-a-kind internal cylinder treatment ensures reactive HCN mixtures remain stable with an extended shelf life unmatched in the industry.

NIST-Traceable Accuracy Guaranteed

Every HCN calibration gas blend is NIST-traceable, delivering the measurement confidence required for gas detector calibration and regulatory compliance.

Industry-Leading Lead Times

With all mixtures blended in-house and rush service available, SpecGas delivers custom HCN calibration gases faster than any other specialty gas provider.

Request a Quote for HCN Calibration Gas Today

Submit your requirements and our specialty gas experts will respond promptly with specifications, pricing, and lead time details.

Contact Us Today

For immediate assistance, feel free to give us a direct call at (215) 443-2600. You can also send us a quick email at website-inquiries@specgasinc.com.