# Dichlorosilane — CGA cylinder valve connection number by gas

For Dichlorosilane, source chart is Matheson; cga connection number is 678/636; which chart the row is from is Pure Gases, recorded from its source on 2026-08-28.

- **Gas:** Dichlorosilane _(verified: appears in the quote below)_
- **Source chart:** Matheson _(our reading, not quoted from the source)_
- **CGA connection number:** 678/636 _(verified: appears in the quote below)_
- **Which chart the row is from:** Pure Gases _(our reading, not quoted from the source)_

## What the source says

> Dichlorosilane 678/636

## Source

- https://us.nipponsanso.com/pdfs/gasequipment/CGA-Connection-Chart.pdf

Last verified: 2026-08-28. Review by: 2028-08-27.
Part of [CGA cylinder valve connection number by gas](https://referencesource.org/cga-cylinder-valve-connection-by-gas/).