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2-ٿƣ߷Ʒ

2-߰ȫ˵

2-ȫ˵
Product Identification
Product Name2-Chloroacetoacetic acid ethyl ester
SynonymsEthyl 2-chloro-3-oxobutyrate
CAS609-15-4
FormulaC6H9ClO3
Molecular Weight164.59
EINECS210-180-4
Beilstein/Gmelin774278
Beilstein Reference4-03-00-01549
EC Classharmful, irritant

Physical and Chemical Properties
AppearanceClear yellow liquid.
Solubility in waterSlightly soluble
Melting Point-80
Boiling Point107
Vapor Pressure7.5 (20)
Density1.19 g/cm3 (14)
pKa/pKb7.91 (pKa)
Refractive Index1.44 (20)

First Aid Measures
IngestionIf victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
InhalationRemove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
SkinGet medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
EyesImmediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Handling and Storage
StorageKeep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
HandlingWash thoroughly after handling. Use with adequate ventilation. Ground and bond containers when transferring material. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Take precautionary measures against static discharges. Keep container tightly closed. Avoid contact with heat, sparks and flame. Avoid ingestion and inhalation. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames.

Hazards Identification
IngestionMay cause irritation of the digestive tract.
InhalationHarmful if inhaled. Causes respiratory tract irritation.
SkinCauses skin irritation.
EyesCauses eye irritation.
HazardsVapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers.
EC Risk PhraseR 22 36/37/38
EC Safety PhraseS 23 26 36/37/39
UN (DOT)1280

Exposure Controls/Personal Protection
Personal ProtectionEyes: Wear appropriate protective eyeglasses or chemical safety ggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
RespiratorsFollow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Fire Fighting Measures
Flash Point82
Autoignition220
Fire FightingWear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Use water spray to keep fire-exposed containers cool. May be ignited by heat, sparks, and flame. Containers may explode when heated. Extinguishing media: Use water spray to cool fire-exposed containers. In case of fire use water spray, dry chemical, carbon dioxide, or chemical foam. Cool containers with flooding quantities of water until well after fire is out.
Fire PotentialHIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.

Accidental Release Measures
Small spills/leaksAbsorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Remove all sources of ignition. Provide ventilation. A vapor suppressing foam may be used to reduce vapors. Water spray may reduce vapor but may not prevent ignition in closed spaces.

Stability and Reactivity
Disposal Code2
IncompatibilitiesAcids, bases, strong oxidizing agents.
StabilityStable under normal temperatures and pressures.
DecompositionHydrogen chloride, carbon monoxide, carbon dioxide.
Combustion ProductsFire may produce irritating, corrosive and/or toxic gases.

Transport Information
UN Number1280
Hazard Class3
Packing GroupI
HS Code2918 30 00

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