Product ID:DSMA LIQUID
MSDS Date:11/01/1985
FSC:6840
NIIN:00F024392
MSDS Number: BNXMW

Emergency Phone: 216-357-3328

Info Phone: 216-357-3328

Cage: EO873

Cage: 63106

DISODIUM ACID METHANEARSONATE

CAS: 144-21-8

RTECS: PA2275000

OSHA PEL 0.5 MG(AS)/CUM

ACGIH TLV: 0.2 MG(AS)/CUM

LD50 LC50 Mixture:ORAL LD50(RAT): 3.6 MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHALATION: RESPIRATORY
TRACT/LUNG/TISSUE IRRITATION. SKIN/EYES: IRRITATION. INGESTION:
SLIGHTLY TOXIC, TISSUE IRRITATION & POISONING.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:INHALATION: RESPIRATORY TRACT/LUNG/TISSUE
IRRITATION. SKIN/EYES: IRRITATION. INGESTION: SLIGHTLY TOXIC,
TISSUE IRRITATION & POISONING.

First Aid:EYES: FLUSH W/PLENTY OF WATER. SKIN: WASH W/PLENTY OF SOAP &
WATER. INHALATION: REMOVE TO FRESH AIR. IF BREATHING STOPS, GIVE
ARTIFICIAL RESPIRATION OR OXYGEN. INGESTION: DRINK PLENTY OF WATER
THEN I NDUCE VOMITING. KEEP AIRWAY CLEAR. NEVER GIVE ANYTHING BY
MOUTH TO AN UNCONSCIOUS PERSON. OBTAIN MEDICAL ATTENTION IN ALL
CASES.

Flash Point:NONCOMBUSTIBLE
Extinguishing Media:DRY CHEMICAL OR CO2 MAY BE USED WHEN FIGHTING FIRES
WHERE ARSONATE IS LOCATED. USE OF WATER SHOULD BE DISCOURAGED.
Fire Fighting Procedures:PRESSURE-DEMAND, SELF-CONTAINED BREATHING
APPARATUS SHOULD BE WORN BY FIREFIGHTER IN BUILDINGS OR CONFINED
AREAS IN WHICH DSMA LIQUID IS STORED.
Unusual Fire/Explosion Hazard:NOXIOUS FUMES MAY BE EMITTED UNDER FIRE
CONDITIONS.

Spill Release Procedures:CONTAIN BY DIKING. REMOVE WITH VACCUM TRUCK.
SOAK-UP SMALL/RESIDUAL MATERIAL W/INERT ABSORBENT MATERIAL, PLACE
IN SAFE PLACE OUTDOORS FOR PROPER DISPOSAL. FLUSH AREA W/PLENTY OF
WATER. PERSONS PERFORM ING WORK NEED TO WAER ADEQUATE CLOTHING&
EQUI.

Handling and Storage Precautions:KEEP CHILDREN & DOMESTIC ANIMALS OFF
TREATED AREAS UNTIL THIS MATERIAL HAS BEEN WASHED INTO THE SOIL.

Respiratory Protection:DUST & MIST RESPIRATORS
Ventilation:LOCAL EXHAUST
Protective Gloves:RUBBER OR IMPREVIOUS
Eye Protection:SPLASH GOGGLES
Other Protective Equipment:PROTECTIVE CLOTHING & FULL-FACE SHIELD.
Supplemental Safety and Health
2,3-DIMERCAPTOPROPANOL (BRITISH ANTI-LEWISITE) HAS BEEN RECOMMENDED IN
THE LITERATURE AS AN ANTIDOTE FOR POISONINGS, HOWEVER, THIS USE IS
HIGHLY CONTROVERSIAL. IF INGESTIED, GASTRIC LAVAGE MAY BE REQU
IRTED.

Boiling Pt:B.P. Text:212F
Spec Gravity:1.246
pH:8.5
Solubility in Water:100%
Appearance and Odor:LIQUID; LIGHT YELLOW TO CLEAR; ODORLESS
Percent Volatiles by Volume:70%

Stability Indicator/Materials to Avoid:YES
ACIDS, NASCENT HYDROGEN & METALS SUCH AS ZINC, ALUMINUM, COPPER, & TIN.
DON'T MIX SPRAY SOLUTION WITHOUT CLEARANCE.
Hazardous Decomposition Products:ARSINE GAS

Waste Disposal Methods:REUSE SPILLED MATERIAL, IF POSSIBLE, OTHERWISE
DISPOSE IN ACCORDANCE WITH ALL FEDERAL, STATE AND LOCAL HEATH AND
POLLUTION REGULATIONS.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.