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BENZENE ARSONIC ACID ICSC: 0223
March 1995
Phenylarsonic acid
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CAS # 98-05-5 C 6H 7AsO 3/C 6H 5AsO(OH) 2
RTECS # CY3150000 Molecular mass: 202.05
UN # 1557
EC # 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: all extinguishing agents allowed.
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
Sweep spilled substance into sealable containers. Do NOT wash away into sewer. Carefully collect remainder, then remove to safe place (extra personal protection: complete protective clothing including self-contained breathing apparatus).
T Symbol
R: 23/25
S: 1/2-20/21-28-45
Note: A
UN Hazard Class: 6.1
Airtight. Unbreakable packaging; put breakable packaging into closed unbreakable container. Do not transport with food and feedstuffs. Marine pollutant.

EMERGENCY RESPONSE STORAGE
Transport Emergency Card: TEC (R)-61G11b
Separated from food and feedstuffs. Dry. Ventilation along the floor.

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 20°C 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): 160°C
Relative density (water = 1): 1.76
Solubility in water: poor
 

ENVIRONMENTAL DATA


NOTES
Depending on the degree of exposure, periodic medical examination is indicated. The symptoms of systemic arsenic poisoning do not become manifest until hours after the exposure.

IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission

© IPCS 1999
LEGAL NOTICE Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.


Updated by AS. Approved by EC. Last update: 10.10.2000.