AMMONIUM NITRATE solution (93% or less)

UN Number: 2426 - CAS Number: 6484-52-2

Also known as: Nitric Acid Ammonium Salt, Ammonium Nitrate, Ammonium Nitrate Solution (93% Or Less), Solutions De Nitrate D'Ammonium (93% Ou Moins)
Information on chemical

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List


UN number 2426
CAS number 6484-52-2
Formula NH4NO3 (H2O)

Physical chemical data

Physical State (20°C) Liquid
Physical State (25°C) Liquid
Density (kg/m3)
1720 [Kg/m³] at a temperature of 20°C
Molar mass (g/mol) 80.1
Solubility (g/L)
10000000 [g/L] at a temperature of 20°C and salinity of 0‰
Boiling Point (°C) 390, decomp.
Melting Point (°C) 170
Vapour Pressure (Pa)
2000 [Pa] at a temperature of 20°C

Behaviour at sea

Additional data

Colour colourless
Odour odourless
MARPOL pollution category
Category Description
Z Noxious Liquid Substances which, if discharged into the sea from tank cleaning or deballasting operations, are deemed to present a minor hazard to either marine resources or human health and therefore justify less stringent restrictions on the quality and quantity of the discharge into the marine environment.

Transportation data

Transport mode Bulk,Packaged
IMO class 5.1

Reactivity data

Water No
Abilities Solution.
Acid(s) Yes
Base(s) Yes
Metal(s) and alloys Yes
Oxidizing agents Yes
Reducing agents Yes
Combustibles Yes

GESAMP Hazard profile

Bioaccumulation in BCF (A1B) 0 - No measurable BCF
Bioaccumulation (A1) 0 - No potential to bioaccumulate
Acute aquatic toxicity (B1) (LC/EC/IC50 (mg/l)) 1 - Practically non-toxic
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)) 2 - Moderate
Skin irritation/corrosivity (D1) 1 - Mildly irritating
Eye irritation/corrosivity (D2) 2 - Irritating
Interference with coastal amenities (E2) D - Dissolver
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

Harmful Oxidizing
Hazard statements
H272 May intensify fire, oxidiser.
H319 Causes serious eye irritation.
Precautionary statements
P210 Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P220 Keep/Store away from clothing/.../combustible materials.
P264 Wash ... thoroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P370 + P378 In case of fire: Use ... for extinction.
TEEL-1 (mg/m3) 10
TEEL-2 (mg/m3) 10
TEEL-3 (mg/m3) 500


Incident reports

Incident reports

Year Vessel Location Cargo type
1947 Grandcamp Port of Texas, USA Bulk
Emergency Response Guidebook

Emergency Response Guidebook

Guide number: 140

See the guide or download the emergency response guidebook

At sea emergency guide

At sea emergency guide

No guides available

Decision trees

Decision trees

No decision trees available

No additional data

last modified 2023-01-23T11:27:15+00:00

Tell us something about you