METHAMIDOPHOS

UN Number: 2783

Information on chemical

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List

Description

UN number 2783

Physical chemical data

Physical State (20°C) Solid
Density (kg/m3)
1310 [Kg/m³] at a temperature of 20°C
Molar mass (g/mol) 141.13
Melting Point (°C) 46.1
Vapour Pressure (Pa)
0.002 [Pa] at a temperature of 20°C

Behaviour at sea

Additional data

Colour colourless

Transportation data

Package group I/II/III
State solid
IMO class 6.1

Reactivity data

Water No
Base(s) Yes
Metal(s) and alloys Yes (mild steel and Cu)

GESAMP Hazard profile

Human toxicity threshold

TEEL-1 (mg/m3) 10
TEEL-2 (mg/m3) 60
TEEL-3 (mg/m3) 60

Ecotoxicity

Incident reports

Incident reports

Year Vessel Location Cargo type
2000 - Israel, Cyprus, Syria & Lebanon coastlines Package
Emergency Response Guidebook

Emergency Response Guidebook

Guide number: 152

See the guide or download the emergency response guidebook

At sea emergency guide

At sea emergency guide

Emergency schedule: 6.1-04

TOXIC SOLIDS, NOT COVERED BY OTHER SCHEDULES.

Emergency procedures

Spillage on deck

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

Spillage under deck

Collect spillage, where practicable, for safe disposal.

Fire on deck

Use copious quantities of water or other medium to fight fire and cool down receptacles.

Fire under deck

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

Special equipment to be carried

Full protective clothing (gloves, boots, coveralls, headgear, goggles).
Self-contained breathing apparatus.

Remarks by UN no.

• BERYLLIUM COMPOUND, N.O.S. (UN No. 1566)
Wear self-contained breathing apparatus when dealing with spillage.

• DINITRO-ortho-CRESOL (UN No. 1598)
• MERCURY OXYCYANIDE, DESENSITIZED (UN No. 1642)
In fire, explosion hazard.

• ASBESTOS, BLUE (UN No. 2212)
• ASBESTOS, WHITE (UN No. 2590)
Wear self-contained breathing apparatus when dealing with spillage.

• THALLIUM NITRATE (UN No. 2727)
In fire situation, use copious quantities of water. Ship's fixed fire-fighting installation may not be effective.

• CASTOR BEANS (UN No. 2969)
• ALUMINIUM PHOSPHIDE PESTICIDE (UN No. 3048)
Wear self-contained breathing apparatus when dealing with spillage.

Decision trees

Decision trees

No decision trees available

No additional data

last modified 2023-01-30T09:28:22+00:00

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