ICSC 1241 - IRON (III)-o-ARSENITE, PENTAHYDRATE

IRON (III)-o-ARSENITE, PENTAHYDRATE	ICSC: 1241 (April 2017)
Ferric arsenite

CAS #: 63989-69-5

UN #: 1607

	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.

AVOID ALL CONTACT!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Cough. Sore throat. Weakness. See Ingestion.	Use closed system, ventilation or breathing protection.	Fresh air, rest. Refer for medical attention.
Skin	Redness. Burning sensation.	Protective gloves. Protective clothing.	Remove contaminated clothes. Rinse and then wash skin with water and soap.
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	Abdominal pain. Burning sensation. Diarrhoea. Nausea. Vomiting. Symptoms may be delayed.	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. Do NOT let this chemical enter the environment. Vacuum with specialist equipment (See Notes) or carefully sweep into containers. Carefully collect remainder. Then store and dispose of according to local regulations.	According to UN GHS Criteria DANGER Fatal if swallowed Causes skin and eye irritation May cause cancer Causes damage to organs Causes damage to organs through prolonged or repeated exposure May cause long lasting harmful effects to aquatic life Transportation UN Classification UN Hazard Class: 6.1; UN Pack Group: II
STORAGE
Separated from food and feedstuffs. Provision to contain effluent from fire extinguishing.
PACKAGING
Unbreakable packaging. Put breakable packaging into closed unbreakable container. Do not transport with food and feedstuffs. Marine pollutant.

IRON (III)-o-ARSENITE, PENTAHYDRATE

ICSC: 1241

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance BROWN POWDER. Physical dangers No data. Chemical dangers Decomposes on heating and on burning. This produces toxic fumes of arsenic and iron.	Formula: As₂Fe₂O₆.Fe₂O₃. 5H₂O Molecular mass: 607.3 Solubility in water: none

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
BROWN POWDER.

Physical dangers
No data.

Chemical dangers
Decomposes on heating and on burning. This produces toxic fumes of arsenic and iron.

Formula: As₂Fe₂O₆.Fe₂O₃. 5H₂O
Molecular mass: 607.3
Solubility in water: none

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 may cause effects on the gastrointestinal tract, liver, skin and nervous system. This may result in severe gastroenteritis, degenerative liver damage, dermatitis, kidney impairment and neuropathy. The effects may be delayed. Medical observation is indicated.	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 with skin may cause dermatitis, grey skin and hyperkeratosis. The substance may have effects on the nervous system, liver, cardiovascular system and respiratory tract. This may result in neuropathy, degenerative liver damage and skin lesions. This substance is carcinogenic to humans.

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 may cause effects on the gastrointestinal tract, liver, skin and nervous system. This may result in severe gastroenteritis, degenerative liver damage, dermatitis, kidney impairment and neuropathy. The effects may be delayed. Medical observation is indicated.

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 with skin may cause dermatitis, grey skin and hyperkeratosis. The substance may have effects on the nervous system, liver, cardiovascular system and respiratory tract. This may result in neuropathy, degenerative liver damage and skin lesions. This substance is carcinogenic to humans.

OCCUPATIONAL EXPOSURE LIMITS
TLV: (as As): 0.01 mg/m³, as TWA; A1 (confirmed human carcinogen); BEI issued. MAK: (as As): skin absorption (H); carcinogen category: 1; germ cell mutagen group: 3A. EU-OEL: (inhalable fraction): 0.01 mg/m³ as TWA; (see Notes)

ENVIRONMENT
This substance may be hazardous to the environment. Special attention should be given to plants, air quality and water quality. It is strongly advised not to let the chemical enter into the environment.

NOTES
NEVER use a domestic-type vacuum cleaner to vacuum the substance, only use specialist equipment. Do NOT take working clothes home. Depending on the degree of exposure, periodic medical examination is suggested. The symptoms of poisoning do not become manifest until 0.5 to several hours. See ICSC 0013 and ICSC 0378. For the copper smelting sector, the EU OEL value shall apply from 11 July 2023.

ADDITIONAL INFORMATION

EC Classification
Symbol: T, N; R: 23/25-50/53; S: (1/2)-20/21-28-45-60-61; Note: A, 1

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    See Also:
       Toxicological Abbreviations