sulfuryl fluoride ** sulfuryl difluoride ** sulfur difluoride dioxide ** sulfuric oxyfluoride ** Translations

Environmental Fate - Ecotoxicology - Human Health

GENERAL INFORMATION

Description: Fumigant gas used as a replacement for methyl bromide for termite treatment in buildings and on merchantable timber. Also used as a general post harvest insect control on a range of crops.

Introduction: circa 1953

EC Directive 1107/2009 (repealing 91/414):

Status	Pending
Dossier rapporteur/co-rapporteur	UK
Date inclusion expires	-

Approved for use () or known to be used () in the following European countries:

AT

BE

BG

CY

CZ

DE

DK

EE

EL

ES

FI

FR

HU

IE

IT

LT

LU

LV

MT

NL

PL

PT

RO

SE

SI

SK

UK

Also registered in: USA, Switzerland

General status:

Pesticide type	Insecticide, Fumigant, Fungicide, Bactericide, Wood preservative, Nematicide, Rodenticide
Substance group	Inorganic compound
Substance origin	Synthetic
Mode of action	Non-systemic with complex mode of action that prevents stored fats to be utilised leading to insufficent energy available for survival
CAS RN	2699-79-8
EC number	220-281-5
CIPAC number	-
US EPA chemical code	078003
Chemical formula	F2O2S
SMILES	S(=O)(=O)(F)F
International Chemical Identifier (InChI)	InChI=1/F2O2S/c1-5(2,3)4
Structure diagram/image available?	Yes
Molecular mass (g mol-1)	102.06
IUPAC Name	sulfuryl fluoride
CAS Name	sulfuryl fluoride
Other status information	Ozone depletor, Greenhouse gas
Herbicide Resistance Classification (HRAC)	Not applicable
Insecticide Resistance Classification (IRAC)	Not applicable
Fungicide Resistance Classification (FRAC)	Not applicable
Physical state	Colourless, odourless gas
Related substances & organisms	chloropicrin

Formulations:

Property	Value
Example manufacturers of products using this active	Dow Drexel Chemical Co.
Example products using this active	Vikane Zyther Profume
UK LERAP status	None
Formulation and application details	Used as a fumigant gas.

ENVIRONMENTAL FATE

Property		Value	Source/Quality Score/Other Information	Interpretation
Solubility - In water at 20oC (mg l-1)		1040	A5	High
Solubility - In organic solvents at 20oC (mg l-1)		22000	A5 - n-Heptane	-
		33000	A5 - Methanol	-
		71000	A5 - Acetone	-
		25000	A5 - Xylene	-
Melting Point (oC)		-137	A5	-
Boiling Point (oC)		-54	A5	-
Degradation point (oC)		400	P3	-
Flashpoint (oC)		Not highly flammable	P3	-
Octanol-water partition coefficient at pH 7, 20oC	P	1.38 X 1000	Calculated	-
	Log P	0.14	A5	Low
Bulk density (g ml-1)/Specific gravity		-	-	-
Dissociation constant (pKa) at 25oC		-	-	-
		Note:
Vapour pressure at 25oC (mPa)		1.6 X 1009	A5	Intermediate state
Henry's law constant at 25oC (Pa m3 mol-1)		1.6 X 1005	A5	Volatile
Henry's law constant at 20oC (dimensionless)		6.45 X 1001	Calculated	Volatile
GUS leaching potential index		-	-	-
SCI-GROW groundwater index (µg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate	Value	-	-	-
	Note	-
Potential for particle bound transport index		-	-	-
Maximum UV-vis absorption L mol-1 cm-1		276nm = 37, 290nm = 25, No UV absorbance above 290nm	A5	-
Surface tension (mN m-1)		68.0	A5 at 20oC, 90% solution	-

Degradation:

Property		Value	Source/Quality Score/Other Information	Interpretation
Soil degradation (days) (aerobic)	DT50 (typical)	-	-	-
	DT50 (lab at 20oC)	-	-	-
	DT50 (field)	-	-	-
	DT90 (lab at 20oC)	-	-	-
	DT90 (field)	-	-	-
	Note	Minimal data available. Exposure to soil expected to be minimal due to usage pattern.
Aqueous photolysis DT50 (days) at pH 7	Value	-	A5	-
	Note	Negligible
Aqueous hydrolysis DT50 (days) at 20oC and pH 7	Value	0.25	A5	Non-persistent
	Note	DT50 4 mins at pH 9, 5 days at pH 2.
Water-Sediment DT50 (days)		-	-	-
Water phase only DT50 (days)		-	-	-

Soil adsorption and mobility:

Property		Value	Source/Quality Score/Other Information	Interpretation
Linear	Kd	-	-	-
	Koc	-
	Notes and range	-
Freundlich	Kf	-	-	-
	Kfoc	-
	1/n	-
	Notes and range	-
pH sensitivity		-

Other known metabolites:

Metabolite name and reference	Aliases	Formation Medium / Rate	Estimated Maximum Occurrence Fraction	Metabolising Enzymes
fluorosulfonic acid	-	Soil	-	-
hydrofluoric acid	-	Soil	-	-

ECOTOXICOLOGY

Property		Value	Source/Quality Score/Other Information	Interpretation
Bio-concentration factor	BCF	-	A3 Low risk	-
	CT50 (days)	Not available		-
Bioaccumulation potential		-	Calculated	Low
Mammals - Acute oral LD50 (mg kg-1)		100	V3 Rat	Moderate
Mammals - Short term dietary NOEL	(mg kg-1)	-	-	-
	(ppm diet)	-		-
Birds - Acute LD50 (mg kg-1)		-	-	-
Birds - Short term dietary (LC50/LD50)		-	-	-
Fish - Acute 96 hour LC50 (mg l-1)		0.89	A5 Danio rerio	Moderate
Fish - Chronic 21 day NOEC (mg l-1)		-	-	-
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1)		0.62	A5 Daphnia magna	Moderate
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1)		-	-	-
Aquatic crustaceans - Acute 96 hour LC50 (mg l-1)		-	-	-
Sediment dwelling organisms - Acute 96 hour LC50 (mg l-1)		-	-	-
Sediment dwelling organisms - Chronic 28 day NOEC, static, water (mg l-1)		-	-	-
Sediment dwelling organisms - Chronic 28 day NOEC, sediment (mg kg-1)		-	-	-
Aquatic plants - Acute 7 day EC50, biomass (mg l-1)		-	-	-
Algae - Acute 72 hour EC50, growth (mg l-1)		0.58	A5 Pseudokirchneriella subcapitata	Moderate
Algae - Chronic 96 hour NOEC, growth (mg l-1)		-	-	-
Honeybees - Acute 48 hour LD50 (µg bee-1)		-	-	-
Earthworms - Acute 14 day LC50 (mg kg-1)		-	-	-
Earthworms - Chronic 14 day NOEC, reproduction (mg kg-1)		-	-	-
Other soil macro-organisms - e.g. Collembola	LR50product ha EC50product ha NOECproduct ha % Effect	-	-	-
Other arthropod (1)	LR50 g ha-1	-	-	-
	% Effect	-	-	-
Other arthropod (2)	LR50 g ha-1	-	-	-
	% Effect	-	-	-
Soil micro-organisms		-	-	-
Mesocosm study data	NOEAEC mg l-1	-	-	-
	NOEAEC mg l-1	-	-	-

HUMAN HEALTH AND PROTECTION

General:

Property		Value	Source/Quality Score/Other Information	Interpretation
Mammals - Acute oral LD50 (mg kg-1)		100	V3 Rat	Moderate
Mammals - Dermal LD50 (mg kg-1 body weight)		-	-	-
Mammals - Inhalation LC50 (mg l-1)		> 1.67	A5 Mice	-
Other Mammal toxicity endpoints		-		-
ADI - Acceptable Daily Intake (mg kg-1bw day-1)		0.01	JMPR 2005, SF=100	-
ARfD - Acute Reference Dose (mg kg-1bw day-1)		0.7	JMPR 2005, SF = 100	-
AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1)		0.3	JMPR 2005, SF = 100	-
Dermal penetration studies (%)		-	-	-
Dangerous Substances Directive 76/464		-	-	-
Exposure Limits		[Typical STEL 10 ppm], [Typical 8 hr TWA 5 ppm]	E3	-
Exposure Routes	Public	-
	Occupational	[Main risks arise usually after inhalational exposure]
Examples of European MRLs (mg kg-1)	Value	-
	Note	For the EU pesticides database click here
Drinking Water MAC (µg l-1)		-	-	-

Health issues:

Carcinogen	Mutagen	Endocrine disrupter	Reproduction / development effects	Acetyl cholinesterase inhibitor	Neurotoxicant	Respiratory tract irritant	Skin irritant	Eye irritant
	-	-					-
General human health issues		[Prolonged exposure may cause pulmonary edema, nausea and abdominal pain], [Possible kidney, blood and bone toxicant]

: Yes, known to cause a problem
: No, known not to cause a problem
: Possibly, status not identified
- : No data

Handling issues:

Property		Value	Source/Quality Score/Other Information	Interpretation
General		[Liquid form may cause frost bite], [Emits toxic fumes when heated to decomposition], [Not explosive or oxidising], [IMDG Transport Code is usually 2.3]
EC Risk Classification		[T - Toxic: R23, R48/20], [N - Dangerous for the environment: R50]
EC Safety Classification		S1/2, S45, S60, S61, S63
WHO Classification		NL	-	Not listed
US EPA Classification (formulation)		I	-	Danger - Highly toxic
UN Number		Usually 2191
Waste disposal & packaging		-

TRANSLATIONS