FOSAMINE AMMONIUM Property

Melting point:

175 °C

Density 

1.33 g/cm3

color 

Crystals

EPA Substance Registry System

Fosamine-ammonium (25954-13-6)

Safety

Hazard Codes 

Xi

Risk Statements 

36

Safety Statements 

26

RTECS 

BQ4112000

Hazardous Substances Data

25954-13-6(Hazardous Substances Data)

Toxicity

LC50 (96-hour) for bluegill sun?sh 0.67 g/L, rainbow trout and fathead minnows >1 g/L (Hartley and Kidd, 1987); acute oral LD50 for rats 24.4 g/kg (Ashton and Monaco, 1991).

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H312Harmful in contact with skin

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P312Call a POISON CENTER or doctor/physician if you feel unwell.

P322Specific measures (see …on this label).

P363Wash contaminated clothing before reuse.

P501Dispose of contents/container to..…

FOSAMINE AMMONIUM Chemical Properties,Usage,Production

Uses

FOSAMINE AMMONIUM used to control many woody and brush species on noncrop land

Safety Profile

Mildly toxic by ingestion andinhalation. When heated todecomposition it emits very toxic fumes of NOx, POx, andNH3.

Environmental Fate

Soil. Fosamine is rapidly degraded to carbon dioxide by microorganisms in soil (Humburg et al., 1989). The reported half-life in soil is approximately 7 to 10 days (Hartley and Kidd, 1987; Worthing and Hance, 1991).
Plant. After a 2.5% application to multi?ora rose plant leaves, 19, 21, 22, and 43% of the applied amount was absorbed after 1, 4, 8, 16 and 32 days, respectively (Mann et al., 1986). Degrades rapidly in plants with a half-life of 2 to 3 weeks (H
Chemical/Physical. Fosamine-ammonium is stable as a dilute solution but decomposes in weak acidic media (Worthing and Hance, 1991), probably forming water-soluble salts.