HazMat Tool — substance information

Dimethyl sulfide

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 1164
Hazard class
3
Packing group
II
ERG guide
ERG 130
Special provisions
SP IB2, SP IP8, SP T7, SP TP2
Source
49 CFR §172 (15 June 2026)

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Dimethyl sulfide


Dimethyl sulfide (DMS) or methylthiomethane is an organosulfur compound with the formula (CH3)2S. It is the simplest thioether and has a characteristic disagreeable odor. It is a flammable liquid that boils at 37 °C (99 °F). It is a component of the odor produced from cooking of certain vegetables (notably maize, cabbage, and beetroot) and seafoods Wikipedia

Substance Data

Source: PubChem (HSDB, 24.11.2019)

CAS-Number

75-18-3

Flash Point

n/a

Boiling Point

n/a

Emergency Response Guide No. 130

Hazardous Materials Table

Source: 49 CFR §172 (15 June 2026)

(3) Hazard Class

3
Flammable liquids

(4) Identification number Help

UN 1164

(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
IP8
T7
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.