ICSC 1142 - DISUL-SODIUM

DISUL-SODIUM	ICSC: 1142 (April 2013)
2-(2,4-Dichlorophenoxy)ethyl hydrogen sulphate sodium salt Sesone Sodium 2,4-dichlorophenoxyethylsulfate

CAS #: 136-78-7

EC Number: 205-259-5

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.		In case of fire in the surroundings, use appropriate extinguishing media.


	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Cough. Sore throat.	Avoid inhalation of dust and mist. Use local exhaust or breathing protection.	Fresh air, rest. Refer for medical attention.
Skin	Redness.	Protective gloves.	Remove contaminated clothes. Rinse skin with plenty of water or shower.
Eyes	Redness.	Wear safety goggles or eye protection in combination with breathing protection if powder.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Ingestion	Burning sensation.	Do not eat, drink, or smoke during work. Wash hands before eating.	Rinse mouth. Refer for medical attention .

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered sealable containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations. Do NOT wash away into sewer.	According to UN GHS Criteria WARNING Harmful if swallowed Causes skin and eye irritation May cause damage to liver and kidneys May cause respiratory irritation Transportation UN Classification
STORAGE
Separated from food and feedstuffs, acids and strong oxidants.
PACKAGING

DISUL-SODIUM

ICSC: 1142

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS-TO-WHITE CRYSTALS. Physical dangers No data. Chemical dangers Decomposes on heating. This produces toxic and corrosive fumes including hydrogen chloride and sulfur oxides. Reacts with acids and strong oxidants.	Formula: C₈H₇Cl₂NaO₅S Molecular mass: 309.1 Decomposes at 245°C Relative density (water = 1): 1.70 Solubility in water, g/100ml at 25°C: 25 (good) Vapour pressure, Pa at 20°C: 133 Octanol/water partition coefficient as log Pow: -0.7 (estimated)

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS-TO-WHITE CRYSTALS.

Physical dangers
No data.

Chemical dangers
Decomposes on heating. This produces toxic and corrosive fumes including hydrogen chloride and sulfur oxides. Reacts with acids and strong oxidants.

Formula: C₈H₇Cl₂NaO₅S
Molecular mass: 309.1
Decomposes at 245°C
Relative density (water = 1): 1.70
Solubility in water, g/100ml at 25°C: 25 (good)
Vapour pressure, Pa at 20°C: 133
Octanol/water partition coefficient as log Pow: -0.7 (estimated)

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation of its aerosol and by ingestion. Effects of short-term exposure The substance is irritating to the eyes, skin and respiratory tract. The substance at very high concentrations is irritating to the gastrointestinal tract. The substance may cause effects on the liver and kidneys.	Inhalation risk Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, 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 inhalation of its aerosol and by ingestion.

Effects of short-term exposure
The substance is irritating to the eyes, skin and respiratory tract. The substance at very high concentrations is irritating to the gastrointestinal tract. The substance may cause effects on the liver and kidneys.

Inhalation risk
Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly on spraying or when dispersed, especially if powdered.

Effects of long-term or repeated exposure

OCCUPATIONAL EXPOSURE LIMITS
TLV: 10 mg/m³, as TWA; A4 (not classifiable as a human carcinogen)

ENVIRONMENT
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
Carrier solvents used in commercial formulations may change physical and toxicological properties. Do NOT take working clothes home. The substance is metabolized in the body into 2,4-D. See ICSC 0033.

ADDITIONAL INFORMATION

EC Classification
R: 22-38-41; S: (2)-26; Symbol: Xn

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    See Also:
       Toxicological Abbreviations