Cyanogen


Cyanogen is the chemical compound with the formula (CN)2. Its structure is N≡C−C≡N. The simplest stable carbon nitride, it is a colorless and highly toxic gas with a pungent odor. The molecule is a pseudohalogen. Wikipedia

Emergency Response Guide No. 119

Data from the Hazardous Materials Table

Source: 49 CFR §172 (2018/07)

(3) Hazard Class

2.3
Poisonous gas

(4) Identification number Help

UN 1026

(5) Packing Group Help

n/a

(6) Labels Help

Poisonous gas (2.3) Flammable gases (2.1)

(7) Special Provisions (§172.102) Help

×Note:
Special provisions may be very complex. The extracts are taken from 49 CFR §172.102. Please be careful with the information, as necessary, additional conditions may be applied that are not written here. Please check the original source and report bugs.
2

(8) Packing Authorizations (§173.***) Help

(8A) ExceptionsNone
(8B) Non-bulk304see 49 CFR §173.304
(8C) Bulk245see 49 CFR §173.245

(9) Quantity Limits Help

(9A) Passenger aircraft/railForbidden
(9B) Cargo aircraft onlyForbidden

(10) Vessel stowage Help

(10A) Location
(10B) Other

Segregation Chart for Load, Transport, Storage

In this table a statement is contained for each hazard class whether the loading, transport or storage with other hazard classes is allowed, is not permitted or is restricted. The table is based on U.S.-Code 49 CFR §177.848.

red May not be loaded, transported, or stored together in the same transport vehicle or storage facility.
green Load, transport, storage together is not restricted.
yellow Load, transport, storage together is allowed under restrictions.

Substances with similar name

UN-NumberNameHazard Class
UN 1889Cyanogen bromide6.1
UN 1589Cyanogen chloride, stabilized2.3