Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information
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DL-sec-Butyl acetate(105-46-4)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information

Product Identification

Product Name
DL-sec-Butyl acetate
Synonyms
1-Methylpropyl acetate
2-Acetoxybutane
2-Ethyl-2-oxazoline
2-Ethyl-4,5-dihydro-1,3-oxazole
2-Ethyl-4,5-dihydrooxazole
Acetic acid, 1-methylpropyl ester
DL-sec-Butyl acetate
CAS
105-46-4
CAS
10431-98-8
Formula
C5H9NO
Formula
C6H12O2
Molecular Weight
99.13
Molecular Weight
116.16
EINECS
203-300-1
EINECS
233-912-4
RTECS
AF7380000
RTECS Class
Other
Merck
13,1535
Beilstein/Gmelin
1720689
Beilstein/Gmelin
105464
Beilstein Reference
4-02-00-00148
Beilstein Reference
4-27-00-00925
EC Index Number
607-026-00-7
EC Class
flammable, corrosive, sensitizing
EC Class
Highly flammable; Repeated exposure may cause skin dryness or cracking

Physical and Chemical Properties

Appearance
Colorless liquid.
Appearance
Colorless liquid. Has fruity odor characteristic of acetate esters.
Solubility in water
Slightly soluble
Solubility in water
Very soluble
Melting Point
-98.9
Melting Point
-62
Boiling Point
112
Boiling Point
128.4
Vapor Pressure
21.6 (25 C)
Vapor Pressure
75 (20 C)
Density
0.892 g/cm3 (0 C)
Density
0.9816 g/cm3 (20 C)
pKa/pKb
5.59 (pKb)
Partition Coefficient
1.72
Heat Of Vaporization
35.1 kJ/mol
Heat Of Combustion
-3538 kJ/mol
Usage
Solvent for nitrocellulose lacquers, thinners, nail enamels, leather finishes.
Vapor Density
4
Vapor Density
3.42
Refractive Index
1.3875 (20 C)
Refractive Index
1.44 (20 C)

First Aid Measures

Ingestion
Do NOT induce vomiting. If 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.
Ingestion
If 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. Wash mouth out with water.
Ingestion
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated.
Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Inhalation
Causes respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. Vapors may cause dizziness or suffocation.
Skin
Causes skin irritation.
Skin
Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Skin
Get medical aid. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Eyes
Causes eye irritation.

Handling and Storage

Storage
Keep 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. Flammables-area.
Storage
Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Flammables-area.
Handling
Remove contaminated clothing and wash before reuse. Ground and bond containers when transferring material. Use spark-proof tools and explosion proof equipment. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed. Avoid contact with heat, sparks and flame. Avoid ingestion and inhalation. Use with adequate ventilation. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames.
Handling
Wash thoroughly after handling. Use spark-proof tools and explosion proof equipment. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Avoid contact with heat, sparks and flame. Use only in a chemical fume hood. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames.

Hazards Identification

Inhalation
Causes respiratory tract irritation. Exposure produces central nervous system depression. Vapor or mist is irritating to the mucous membranes and upper respiratory tract.
Skin
Causes skin irritation. Prolonged and/or repeated contact may cause irritation and/or dermatitis.
Eyes
Vapors cause eye irritation.
Ingestion
May cause irritation of the digestive tract.
Hazards
Flashback along vapor trail may occur.
Hazards
Vapors 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 Phrase
R 10 36/37/38
EC Risk Phrase
R 11 66
EC Safety Phrase
S 16 23 25 29 33
EC Safety Phrase
S 16 26 36
UN (DOT)
1123
UN (DOT)
1993

Exposure Controls/Personal Protection

Personal Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles 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.
Respirators
Follow 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.
Respirators
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
Exposure Effects
Chronic inhalation may cause effects similar to those of acute inhalation.
Exposure Effects
Prolonged exposure may produce a narcotic effect.
Exposure limit(s)
TLV (as TWA): 200 ppm; 950 mg/m3 (ACGIH 1995-1996). OSHA PEL: TWA 200 ppm (950 mg/m3) NIOSH REL: TWA 200 ppm (950 mg/m3) NIOSH IDLH: 1700 ppm LEL
Poison Class
5

Fire Fighting Measures

Flash Point
16
Flash Point
29
Autoignition
410
Autoignition
422
Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use foam, dry chemical, or carbon dioxide. Water may be ineffective.
Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Will burn if involved in a fire. Use water spray to keep fire-exposed containers cool. Water may be ineffective. Material is lighter than water and a fire may be spread by the use of water. Containers may explode in the heat of a fire. Extinguishing media: For small fires, use dry chemical, carbon dioxide, water spray or alcohol-resistant foam. For large fires, use water spray, fog, or alcohol-resistant foam. Use water spray to cool fire-exposed containers. Water may be ineffective. Do NOT use straight streams of water.
Upper exp. limit
7.6
Lower exp. limit
1.7
Fire Potential
Flammable liquid and vapor.
Fire Potential
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.

Accidental Release Measures

Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Clean up spills immediately, using the appropriate protective equipment. Remove all sources of ignition. Use a spark-proof tool. Provide ventilation. A vapor suppressing foam may be used to reduce vapors.
Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Wash area with soap and water. Remove all sources of ignition. Use a spark-proof tool. Provide ventilation.

Stability and Reactivity

Incompatibilities
Oxidizing agents, strong acids, strong bases, amines, nitrates.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, strong acids, copper alloys, copper.
Disposal Code
1
Decomposition
Carbon monoxide, carbon dioxide, acrid smoke and fumes.
Decomposition
Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
Combustion Products
Fire may produce irritating, corrosive and/or toxic gases.
Combustion Products
Toxic vapors and gases (such as carbon monoxide) may be released in a fire involving sec-butyl acetate.

Transport Information

UN Number
1123
UN Number
1993
Hazard Class
3
Packing Group
I; II; III
Packing Group
II; III
HS Code
2934 99 90
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