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BENZENE ARSONIC ACID ICSC: 0223
Date of Peer Review: March 1995

Phenylarsonic acid
CAS # 98-05-5 C6H7AsO3 / C6H5AsO(OH)2
RTECS # CY3150000 Molecular mass: 202.05
UN # 1557
EC Index # 033-002-00-5
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.

In case of fire in the surroundings: use appropriate extinguishing media.
EXPLOSION


EXPOSURE
PREVENT DISPERSION OF DUST! AVOID ALL CONTACT!
IN ALL CASES CONSULT A DOCTOR!
Inhalation Abdominal pain. Confusion. Diarrhoea. Dizziness. Drowsiness. Headache. Vomiting. Loss of muscular coordination. Paralysis. Symptoms may be delayed (see Notes).
Closed system and ventilation.
Fresh air, rest. Refer for medical attention.
Skin Skin disorders. (Further see Inhalation).
Protective gloves. Protective clothing.
Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention.
Eyes
Safety goggles or eye protection in combination with breathing protection.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion Difficulty in swallowing. Abdominal pain. Confusion. Diarrhoea. Dizziness. Dullness. Headache. Vomiting. Loss of muscular coordination. Paralysis. (Further see Inhalation).
Do not eat, drink, or smoke during work.

SPILLAGE DISPOSAL PACKAGING & LABELLING
Personal protection: complete protective clothing including self-contained breathing apparatus. Sweep spilled substance into sealable containers. Do NOT wash away into sewer. Carefully collect remainder, then remove to safe place.
Airtight. Unbreakable packaging; put breakable packaging into closed unbreakable container. Do not transport with food and feedstuffs. Marine pollutant.
EU Classification
Symbol: T, N
R: 23/25-50/53
S: (1/2-)-20/21-28-45-60-61
Note: [A]
UN Classification
UN Hazard Class: 6.1

EMERGENCY RESPONSE STORAGE
Transport Emergency Card: TEC (R)-61GT5-II
Separated from food and feedstuffs. Dry. Ventilation along the floor.
IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 2005

SEE IMPORTANT INFORMATION ON BACK
BENZENE ARSONIC ACID ICSC: 0223
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
COLOURLESS SOLID IN VARIOUS FORMS.

CHEMICAL DANGERS:
The substance decomposes on heating or producing toxic fumes including arsenic (see ICSC 0013).

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation and by ingestion.

INHALATION RISK:
Evaporation at 20C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed, especially if powdered.

EFFECTS OF SHORT-TERM EXPOSURE:
See Notes.

PHYSICAL PROPERTIES
Melting point (decomposes): 160C
Relative density (water = 1): 1.76
Solubility in water: poor
ENVIRONMENTAL DATA

NOTES
Depending on the degree of exposure, periodic medical examination is suggested. The symptoms of systemic arsenic poisoning do not become manifest until hours after the exposure. Card has been partly updated in October 2005. See sections EU classification, Emergency Response.
ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 2005