
Hydrogen Cyanide (HCN) Calibration Gas
- NIST traceable accuracy guaranteed
- 100 ppb to 10% concentration range
- Treated aluminum for extended shelf life
NIST Traceable Gas Standards
OSHA Compliant Safety Standards
SpecGas Inc. supplies Hydrogen Cyanide (HCN) calibration gas mixtures ranging from 100 ppb to 10% concentration, blended in-house using proprietary techniques. NIST traceable and available in specially-treated aluminum or nickel-plated cylinders, these mixtures serve safety calibration, chemical manufacturing, agriculture, mining, and pharmaceutical industries.


SpecGas Inc. offers HCN calibration gas mixtures from 100 ppb up to 10% concentration. The most commonly ordered range is 5–1,000 ppm. Custom concentrations outside standard ranges are available on request, blended in nitrogen, air, or other inert balance gases to match your specific detector calibration or application requirements.
Talk to our experts for custom solutions and tailored guidance.

HCN gas used to calibrate detectors and monitoring instruments ensuring accurate toxic gas alerting in facilities.

Used as an intermediate in producing plastics, acrylic fibers, rubber, dyes, and paints in chemical plants.

HCN serves as a precursor to sodium cyanide for gold and silver extraction, electroplating, and metal hardening.

HCN components used in antihypertensive drug synthesis and PMMA resin production for biomaterial research applications.
Talk to our experts for custom solutions and tailored guidance.
SpecGas's unique internal cylinder treatment process ensures HCN mixtures remain stable with an extended shelf life, batch after batch.
Every HCN calibration gas blend is NIST traceable, guaranteeing measurement confidence for detector calibration and compliance testing.
With all blending performed in-house and rush service available, SpecGas delivers precision HCN gas mixtures faster than any competitor.
Submit your concentration and cylinder requirements. Our specialists will respond promptly with pricing and technical guidance.
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.
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.