HazMat Tool — substance information Reference only — not a shipping paper, placard mandate, or CVI record.

Cycloheptane

HMT 15 June 2026
Reference only — HMT snapshot for inspection and audit support; not a shipping paper, placard mandate, or CVI record. Use Print / PDF below for field notes.
UN / ID
UN 2241
Hazard class
3
Packing group
II
ERG guide
ERG 128
Special provisions
SP IB2, SP T4, SP TP2
Source
49 CFR §172 (15 June 2026)

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Cycloheptane


Cycloheptane, also known as suberane, is an organic compound, which belongs to the group of cycloalkanes. The compound can occur in different conformers Wikipedia

Substance Data

Source: PubChem (HSDB, 01.12.2019)

CAS-Number

291-64-5

Flash Point

Boiling Point


Emergency Response Guide No. 128

Hazardous Materials Table

Source: 49 CFR §172 (15 June 2026)

(3) Hazard class

3
Flammable liquids

(4) Identification number Help

UN 2241

(5) Packing Group Help

II

(6) Labels Help

Flammable liquids (3)

(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.
IB2
T4
TP2

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

(8A) Exceptions150see 49 CFR §173.150
(8B) Non-bulk202see 49 CFR §173.202
(8C) Bulk242see 49 CFR §173.242

(9) Quantity Limits Help

(9A) Passenger aircraft/rail5 L
(9B) Cargo aircraft only60 L

(10) Vessel stowage Help

(10A) Location
(10B) Other

Segregation chart for load, transport, and storage

This chart shows whether loading, transport, or storage with other hazard classes is permitted, prohibited, or restricted. Based on 49 CFR §177.848.

Prohibited Must not be loaded, transported, or stored together in the same vehicle or facility.
Permitted May be loaded, transported, or stored together.
Restricted May be loaded, transported, or stored together only with restrictions.