ICSC 0748 - ACEPHATE

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ACEPHATE	ICSC: 0748 (October 2001)
O,S-Dimethyl acetylphosphoramidothioate Phosphoramidothioic acid, acetyl-, O,S-dimethyl ester N-(Methoxy(methylthio)phosphinoyl)acetamide

CAS #: 30560-19-1

EC Number: 250-241-2

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Liquid formulations containing organic solvents may be flammable. Gives off irritating or toxic fumes (or gases) in a fire.		In case of fire in the surroundings, use appropriate extinguishing media.

PREVENT DISPERSION OF DUST! AVOID EXPOSURE OF ADOLESCENTS AND CHILDREN!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Pupillary constriction, muscle cramp, excessive salivation. Sweating. Nausea. Dizziness. Laboured breathing. Convulsions.	Use ventilation, local exhaust or breathing protection.	Fresh air, rest. Half-upright position. Refer for medical attention.
Skin		Protective gloves.	Rinse skin with plenty of water or shower.
Eyes		Wear safety spectacles.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Ingestion	Abdominal cramps. Vomiting. Diarrhoea. See Inhalation.	Do not eat, drink, or smoke during work. Wash hands before eating.	Rinse mouth. Rest. Refer for medical attention .

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations.	According to UN GHS Criteria Transportation UN Classification
STORAGE
Separated from food and feedstuffs.
PACKAGING

ACEPHATE

ICSC: 0748

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS CRYSTALS OR WHITE POWDER WITH CHARACTERISTIC ODOUR. Physical dangers Chemical dangers Decomposes on heating. This produces toxic fumes including nitrogen oxides, phosphorus oxides and sulfur oxides.	Formula: C₄H₁₀NO₃PS Molecular mass: 183.2 Melting point: 92-93°C Density: 1.4 g/cm³ Solubility in water, g/100ml at 20°C: 79 Vapour pressure, Pa at 24°C: 0.0002 Octanol/water partition coefficient as log Pow: -0.9

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS CRYSTALS OR WHITE POWDER WITH CHARACTERISTIC ODOUR.

Physical dangers

Chemical dangers
Decomposes on heating. This produces toxic fumes including nitrogen oxides, phosphorus oxides and sulfur oxides.

Formula: C₄H₁₀NO₃PS
Molecular mass: 183.2
Melting point: 92-93°C
Density: 1.4 g/cm³
Solubility in water, g/100ml at 20°C: 79
Vapour pressure, Pa at 24°C: 0.0002
Octanol/water partition coefficient as log Pow: -0.9

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by ingestion and by inhalation of its aerosol. Effects of short-term exposure The substance may cause effects on the nervous system and blood. This may result in cholinesterase inhibition. Medical observation is indicated. The effects may be delayed.	Inhalation risk A harmful concentration of airborne particles can be reached quickly on spraying or when dispersed, especially if powdered. Effects of long-term or repeated exposure

EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by ingestion and by inhalation of its aerosol.

Effects of short-term exposure
The substance may cause effects on the nervous system and blood. This may result in cholinesterase inhibition. Medical observation is indicated. The effects may be delayed.

Inhalation risk
A harmful concentration of airborne particles can be reached quickly on spraying or when dispersed, especially if powdered.

Effects of long-term or repeated exposure

OCCUPATIONAL EXPOSURE LIMITS

ENVIRONMENT
This substance may be hazardous to the environment. Special attention should be given to crustacea, birds and bees. This substance does enter the environment under normal use. Great care, however, should be taken to avoid any additional release, for example through inappropriate disposal.

NOTES
Depending on the degree of exposure, periodic medical examination is suggested. Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available. If the substance is formulated with solvent(s) also consult the card(s) (ICSC) of the solvent(s). Carrier solvents used in commercial formulations may change physical and toxicological properties.

NOTES

Depending on the degree of exposure, periodic medical examination is suggested.
Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available.
If the substance is formulated with solvent(s) also consult the card(s) (ICSC) of the solvent(s).
Carrier solvents used in commercial formulations may change physical and toxicological properties.

ADDITIONAL INFORMATION

EC Classification
Symbol: Xn; R: 22; S: (2)-36

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