ICSC 0569 - SULFANILIC ACID

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SULFANILIC ACID	ICSC: 0569 (April 2005)
4-Aminobenzenesulfonic acid Aniline-4-sulfonic acid

CAS #: 121-57-3

EC Number: 204-482-5

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Combustible. Gives off irritating or toxic fumes (or gases) in a fire.	NO open flames.	Use water spray, powder, foam, carbon dioxide.

PREVENT DISPERSION OF DUST!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation		Use local exhaust or breathing protection.	Fresh air, rest.
Skin	Redness.	Protective gloves. Protective clothing.	Remove contaminated clothes. Rinse skin with plenty of water or shower.
Eyes	Redness. Pain.	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		Do not eat, drink, or smoke during work.	Rinse mouth.

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 sealable containers. If appropriate, moisten first to prevent dusting. Wash away remainder with plenty of water.	According to UN GHS Criteria Transportation UN Classification
STORAGE
Separated from strong acids and strong bases.
PACKAGING

SULFANILIC ACID

ICSC: 0569

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance WHITE POWDER OR WHITE-TO-GREY CRYSTALS. Physical dangers No data. Chemical dangers Decomposes on heating at 288°C, on burning and on contact with strong acids. This produces toxic fumes including nitrogen oxides and sulfur oxides. Reacts violently with strong bases.	Formula: C₆H₇NO₃S Molecular mass: 173.2 Decomposes at 288°C Density: 1.49 g/cm³ Solubility in water: poor Octanol/water partition coefficient as log Pow: -0.9

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
WHITE POWDER OR WHITE-TO-GREY CRYSTALS.

Physical dangers
No data.

Chemical dangers
Decomposes on heating at 288°C, on burning and on contact with strong acids. This produces toxic fumes including nitrogen oxides and sulfur oxides. Reacts violently with strong bases.

Formula: C₆H₇NO₃S
Molecular mass: 173.2
Decomposes at 288°C
Density: 1.49 g/cm³
Solubility in water: poor
Octanol/water partition coefficient as log Pow: -0.9

EXPOSURE & HEALTH EFFECTS
Routes of exposure Effects of short-term exposure The substance is irritating to the eyes. The substance is mildly irritating to the skin.	Inhalation risk A harmful concentration of airborne particles can be reached quickly when dispersed, especially if powdered. Effects of long-term or repeated exposure Repeated or prolonged contact may cause skin sensitization.

EXPOSURE & HEALTH EFFECTS

Routes of exposure

Effects of short-term exposure
The substance is irritating to the eyes. The substance is mildly irritating to the skin.

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

Effects of long-term or repeated exposure
Repeated or prolonged contact may cause skin sensitization.

OCCUPATIONAL EXPOSURE LIMITS

ENVIRONMENT
The substance is harmful to aquatic organisms.

NOTES
At room temperature this substance is in the form of monohydrate. It becomes anhydrous around 100°C.

ADDITIONAL INFORMATION

EC Classification
Symbol: Xi; R: 36/38-43; S: (2)-24-37

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