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A yellow liquid charged with a gas. Lethal by skin absorption and inhalation. Under prolonged exposure to fire or heat the containers may rupture violently and rocket.

none

No rapid reaction with air. No rapid reaction with water.

Excerpt from ERG Guide 123 [Gases - Toxic]:

Some may burn but none ignite readily. Vapors from liquefied gas are initially heavier than air and spread along ground. Cylinders exposed to fire may vent and release toxic and/or corrosive gas through pressure relief devices. Containers may explode when heated. Ruptured cylinders may rocket. (ERG, 2024)

Excerpt from ERG Guide 123 [Gases - Toxic]:

TOXIC; may be fatal if inhaled or absorbed through skin. Vapors may be irritating and/or corrosive. Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite. Fire will produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may cause environmental contamination. (ERG, 2024)

PARATHION is a light-yellow liquid mixed with a carrier gas, it turns solid at 6掳C, a deadly poison by all routes. Organic phosphate insecticide, acts as an inhibitor of cholinesterase. Violent reaction when used as solvent to dissolve endrin. When heated to decomposition it emits very toxic fumes of oxides of sulfur, phosphorus and nitrogen [Lewis, 3rd ed., 1993, p. 984].

• Nitro, Nitroso, Nitrate, and Nitrite Compounds, Organic
• Sulfonates, Phosphonates, and Thiophosphonates, Organic

Use caution: Liquids with this reactive group classification have been known to react with the absorbents listed below.

• Cellulose-Based Absorbents
• Expanded Polymeric Absorbents

Excerpt from ERG Guide 123 [Gases - Toxic]:

IMMEDIATE PRECAUTIONARY MEASURE: Isolate spill or leak area for at least 100 meters (330 feet) in all directions.

SPILL: See ERG Table 1 - Initial Isolation and Protective Action Distances on the UN/NA 1967 datasheet.

FIRE: If tank, rail tank car or highway tank is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. (ERG, 2024)

Excerpt from ERG Guide 123 [Gases - Toxic]:

SMALL FIRE: Dry chemical or CO2.

LARGE FIRE: Water spray, fog or regular foam. Do not get water inside containers. If it can be done safely, move undamaged containers away from the area around the fire. Damaged cylinders should be handled only by specialists.

FIRE INVOLVING TANKS: Fight fire from maximum distance or use unmanned master stream devices or monitor nozzles. Cool containers with flooding quantities of water until well after fire is out. Do not direct water at source of leak or safety devices; icing may occur. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks in direct contact with flames. (ERG, 2024)

Excerpt from ERG Guide 123 [Gases - Toxic]:

Do not touch or walk through spilled material. Stop leak if you can do it without risk. If possible, turn leaking containers so that gas escapes rather than liquid. Prevent entry into waterways, sewers, basements or confined areas. Use water spray to reduce vapors or divert vapor cloud drift. Avoid allowing water runoff to contact spilled material. Do not direct water at spill or source of leak. Isolate area until gas has dispersed. (ERG, 2024)

Excerpt from ERG Guide 123 [Gases - Toxic]:

Wear positive pressure self-contained breathing apparatus (SCBA). Wear chemical protective clothing that is specifically recommended by the manufacturer when there is NO RISK OF FIRE. Structural firefighters' protective clothing provides thermal protection but only limited chemical protection. (ERG, 2024)

Normalized Breakthrough Times (in Minutes)

Chemical	CAS Number	State	QS	QC	SL	C3	TF	TP	RC	TK	RF
Ethyl parathion	56-38-2	Liquid							>480	>480	>480

Special Warning from DuPont: Tychem庐 and Tyvek庐 fabrics should not be used around heat, flames, sparks or in potentially flammable or explosive environments. Only...

(DuPont, 2024)

Excerpt from ERG Guide 123 [Gases - Toxic]:

Refer to the "General First Aid" section. Specific First Aid: In case of contact with liquefied gas, only medical personnel should attempt thawing frosted parts. (ERG, 2024)

• AAT
• AATP
• ALKRON
• ALLERON
• AMERICAN CYANAMID 3422
• APHAMITE
• ARALO
• BAY 1605
• BAYER E-605
• BLADAN F
• DIETHYL 4-NITROPHENYL PHOSPHOROTHIOATE
• DIETHYL P-NITROPHENYL PHOSPHOROTHIONATE
• DIETHYL P-NITROPHENYL THIONOPHOSPHATE
• DIETHYL PARATHION
• E 605
• E 605F
• E 605FT20
• ECATOX 20
• EKATOX
• EKATOX 20
• ENT 15108
• ETHYL PARATHION
• ETILON
• FOLIDOL
• FOLIDOL E
• FOLIDOL E-605
• FOLIDOL OIL
• FOSFERNO
• FOSTOX
• GEARPHOS
• LIROTHION
• NIRAN
• NITROSTIGMINE
• NIUIF 100
• NOURITHION
• O,O-DIETHYL O-(4-NITROPHENYL) PHOSPHOROTHIOATE
• O,O-DIETHYL O-(P-NITROPHENYL) PHOSPHOROTHIOATE
• O,O-DIETHYL O-P-NITROPHENYL THIOPHOSPHATE
• OLEOFOS 20
• OLEOPARATHENE
• OLEOPARATHION
• PACOL
• PARAMAR 50
• PARAPHOS
• PARATHENE
• PARATHION
• PARATHION AND COMPRESSED GAS MIXTURE
• PARATHION-COMPRESSED GAS MIXTURE
• PARATHION-ETHYL
• PENNCAP E
• PHOSPHOROTHIOIC ACID, O,O-DIETHYL O-(P-NITROPHENYL) ESTER
• PHOSPHOROTHIOIC ACID, O,O-DIETHYL-O-(4-NITROPHENYL) ESTER
• RB
• RHODIASOL
• RHODIATOX
• SELEPHOS
• SUPER RODIATOX
• THIOMEX
• THIOPHOS
• THIOPHOS 3422
• VITREX