
Hydrogen Cyanide (HCN) Calibration Gas
- NIST traceable accuracy guaranteed
- 100 ppb to 10% concentration range
- Treated aluminum cylinders, 5.9–47L
NIST Traceable Gas Standards
OSHA Compliance
SpecGas Inc. offers Hydrogen Cyanide (HCN) calibration gas mixtures ranging from 100 ppb to 10% concentration in nitrogen, air, or custom balance gases. NIST traceable and blended using proprietary cylinder treatment techniques, these stable HCN standards support gas detector calibration, industrial manufacturing, mining, agriculture, and pharmaceutical applications.


SpecGas Inc. offers Hydrogen Cyanide (HCN) calibration gas mixtures ranging from 100 ppb up to 10% concentration. The most common range requested is 5–1000 ppm. Custom concentrations outside this range may be available upon consultation with our specialty gas team.
Talk to our experts for custom solutions and tailored guidance.

HCN calibration gas used to calibrate gas detectors and monitoring instruments for worker protection.

HCN serves as a precursor to sodium cyanide for gold and silver extraction and electroplating operations.

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

HCN is used in antihypertensive drug synthesis and PMMA resin production for biomaterial research applications.
Talk to our experts for custom solutions and tailored guidance.
Our one-of-a-kind internal cylinder treatment ensures reactive HCN mixtures remain stable with an extended shelf life, batch after batch.
All HCN calibration gas mixtures are NIST traceable, delivering verified accuracy and consistency for critical detector calibration and compliance needs.
With all blending performed in-house by specialty gas veterans, SpecGas delivers custom HCN mixtures faster than any other supplier — rush service available.
Submit your concentration, cylinder size, and balance gas requirements. Our team will respond promptly with pricing and availability.
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.