TRIMETHYL HEXAMETHYLENE DIISOCYANATE (2,2,4 and 2,4,4)

UN Number: 2328 - CAS Number: 28679-16-5

Also known as: DIISOCYANATE DE TRIMETHYLHEXAMETHYLENE (2,2,4 et 2,4,4), 1,6-DIISOCYANATO-2,2,4(2,4,4)-TRIMETHYLHEXANE
Information on chemical

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List

Description

UN number 2328
CAS number 28679-16-5

Physical chemical data

Physical State (20°C) Liquid
Density (kg/m3)
1010 [Kg/m³] at a temperature of 20°C
Molar mass (g/mol) 210.27
Density of gas (kg/m3) 9.42
Boiling Point (°C) 291
Melting Point (°C) -80
Vapour Pressure (Pa)
10 [Pa] at a temperature of 20°C
Ignition Temperature (°C) 440
Flash Point (°C) > 200 (E)
Lower explosivity limit (LEL) (volume %) 1.1

Behaviour at sea

Additional data

Colour colourless or yellowish
Odour odourless

Transportation data

Transport mode Bulk,Packaged
Package group III
Cargo group 12
State liquid
Family name isocyanates
IMO class 6.1

Reactivity data

Water Yes
Acid(s) Yes
Base(s) Yes
Oxidizing agents Yes
Organic substance Yes

GESAMP Hazard profile

Bioaccumulation in logPow (A1A) 0 - e <1, or > ca.7, or Mol. Wt. > 1000
Bioaccumulation (A1) 0 - No potential to bioaccumulate
Acute aquatic toxicity (B1) (LC/EC/IC50 (mg/l)) 3 - Moderately toxic
Acute mammalian toxicity by swallowing (C1) (LD50 (mg/kg)) 0 - Negligible
Effects on wildlife and bottom habitats (E3) 2 - Is a persistent floater; and/or is moderately acutely toxic; and/or is irritating to skin and/or eyes; and/or has long-term health effects other than carcinogenicity, mutagenicity or reprotoxicity; and/or is highly flammable; and/or is flammable and is a floater with evaporative properties

Human toxicity threshold

Ecotoxicity

Incident reports

Incident reports

No incident reports available

Emergency Response Guidebook

Emergency Response Guidebook

Guide number: 156

See the guide or download the emergency response guidebook

At sea emergency guide

At sea emergency guide

Emergency schedule: 6.1-02

TOXIC LIQUIDS, INCLUDING SUBSTANCES WHICH MAY LIQUEFY DURING TRANSPORT, NOT COVERED BY OTHER SCHEDULES.

Emergency procedures

Action

Turn ship off-wind.

Spillage on deck

Collect spillage, where practicable, using absorbent material for safe disposal. Wash remainder overboard with copious quantities of water.

Spillage under deck

Provide adequate ventilation. Collect spillage, where practicable, using absorbent material, for safe disposal.

Fire on deck

Use copious quantities of water or other media to fight fire. If possible remove receptacles likely to be involved or keep them cool with copious quantities of water.

Fire under deck

Batten down; use ship's fixed fire-fighting installation. Otherwise adopt action as for "On deck".

Special equipment to be carried

Protective clothing (gloves, boots, coveralls, headgear).
Self-contained breathing apparatus.

Remarks by UN no.

• METHYLBROMOACETONE
• METHYL BROMIDE AND ETHYLENE DIBROMIDE MIXTURE, liquid (UN No. 1647)
• TEAR GAS SUBSTANCE, LIQUID, N.O.S. (UN No. 1693)
Spillage may be gaseous.

• CHLOROACETYL CHLORIDE (UN No. 1752)
Water-reactive; use water from as far away as practicable.

• AMMUNITION, TEAR-PRODUCING, NON-EXPLOSIVE, with neither burster nor
expelling charge, non-fuzed.
• METAL CARBONYLS, N.O.S. (UN No. 3281).
Spillage may be gaseous.

Decision trees

Decision trees

No decision trees available

No additional data

last modified 2020-12-14T09:03:02+00:00