PHOSPHORUS (white, molten)

UN Number: 2447 - CAS Number: 7732-14-0

Information on chemical

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List


UN number 2447
CAS number 7732-14-0

Physical chemical data

Physical State (20°C) Solid
Density (kg/m3)
1800 [Kg/m³] at a temperature of 20°C
Molar mass (g/mol) 123.89
Density of gas (kg/m3) 5.676
Boiling Point (°C) 279.9
Melting Point (°C) 44
Vapour Pressure (Pa)
130 [Pa] at a temperature of 20°C
Ignition Temperature (°C) 30
Flash Point (°C) 30

Behaviour at sea

Additional data

Colour light yellow
Odour garlic odour
Marine pollutant P

Transportation data

Transport mode Bulk,Packaged
State liquid, wax
Temperature (°C) elevated
Pressure (Pa) under pressure
IMO class 4.2

Reactivity data

Water No
Acid(s) No
Base(s) No
Metal(s) and alloys No
Oxidizing agents No
Reducing agents No
Combustibles No
Organic substance No

GESAMP Hazard profile

Bioaccumulation in BCF (A1B) 3 - ≥100 and <500
Bioaccumulation (A1) 3 - Moderate potential to bioaccumulate
Acute aquatic toxicity (B1) (LC/EC/IC50 (mg/l)) 6 - Extremely toxic
Chronic aquatic toxicity (B2) (NOEC (mg/l)) 4 - Very high
Acute mammalian toxicity by swallowing (C1) (LD50 (mg/kg)) 0 - Negligible
Acute mammalian toxicity by skin penetration (C2) (LD50 (mg/kg)) 0 - Negligible
Acute mammalian toxicity by inhalation (C3) (LC50 (mg/l)) 0 - Negligible
Eye irritation/corrosivity (D2) 1 - Mildly irritating
Interference with coastal amenities (E2) S - Sinking substance that would deposit on the seabed, not likely to dissolve quickly
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

TLV-TWA 0.02
TEEL-1 (mg/m3) 0.125
TEEL-2 (mg/m3) 0.75


Incident reports

Incident reports

No incident reports available

Emergency Response Guidebook

Emergency Response Guidebook

Guide number: 136

See the guide or download the emergency response guidebook

At sea emergency guide

At sea emergency guide

Emergency schedule: 4.2-03


Emergency procedures

Spillage on deck

Stop leak, if practicable, using cold water. Contain molten substance, if practicable, using inert material.
Keep continuously wet and retain solidified substance for safe disposal.

Spillage under deck

Not applicable.

Fire on deck

Use water spray.

Fire under deck

Not applicable.

Special equipment to be carried

Protective clothing (gloves, boots, coveralls, headgear).
Self-contained breathing apparatus.
Spray nozzles.
Inert material.

Decision trees

Decision trees

No decision trees available

No additional data

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