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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Icosa-5,8,11,14-tetraenoic acid(506-32-1)

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
Icosa-5,8,11,14-tetraenoic acid
Synonyms
(5Z,8Z,11Z,14Z)-Icosa-5,8,11,14-tetraenoic acid
5,8,11,14-Eicosatetraenoic acid, (5Z,8Z,11Z,14Z)-
5,8,11,14-Eicosatetraenoic acid, (all-trans)
5Z,8Z,11Z,14Z-Eicosatetraenoic acid
Hydrazinecarboselenoamide
CAS
21198-79-8
CAS
506-32-1
Formula
C20H32O2
Formula
CH5N3Se
Molecular Weight
304.47000000000003
Molecular Weight
138.03
EINECS
244-266-8
EINECS
208-033-4
RTECS
CE6675000
RTECS Class
Drug; Mutagen; Reproductive Effector; Natural Product
Merck
12,803
Beilstein/Gmelin
1713889
Beilstein/Gmelin
506321
Beilstein Reference
3-10-00-01641
Beilstein Reference
4-03-00-00435

Physical and Chemical Properties

Appearance
Clear, light yellow liquid.
Appearance
Solid.
Solubility in water
Insoluble.
Melting Point
189 - 191
Melting Point
49
Boiling Point
407
Vapor Pressure
9E-9 (25 C)
Density
0.9245 g/cm3 (20 C)
pKa/pKb
4.77 (pKa)
Partition Coefficient
7.27
Heat Of Vaporization
72.3 kJ/mol
Usage
One of the essential fatty acids required by most mammals.
Vapor Density
10.5
Refractive Index
1.487 (20 C)

First Aid Measures

Ingestion
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
Ingestion
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Inhalation
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
Skin
May cause skin irritation.
Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Eyes
May cause eye irritation.
Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Handling and Storage

Storage
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Deep freeze (below -20 C). Do not expose to air. Store protected from moisture. Store protected from light. Store under an inert atmosphere.
Storage
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from metals. Store protected from moisture. Store protected from light.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Store protected from light. Do not allow contact with water. Keep from contact with moist air and steam.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Store protected from light. Handle under an inert atmosphere. Store protected from air. Do not allow contact with water. Keep from contact with moist air and steam.

Hazards Identification

Inhalation
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
Skin
May cause skin irritation.
Eyes
May cause eye irritation.
Ingestion
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
UN (DOT)
3283

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
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 selenium poisoning is characterized by loss of hair and nails, skin lesions, and abnormalities of the nervous system.
Exposure Effects
The toxological properties of this substance have not been fully investigated.

Fire Fighting Measures

Flash Point
72
Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Containers may explode when heated. Extinguishing media: Use agent most appropriate to extinguish fire. Do NOT get water inside containers. Cool containers with flooding quantities of water until well after fire is out. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
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 agent most appropriate to extinguish fire. Do NOT get water inside containers. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
Fire Potential
Non-Combustible

Accidental Release Measures

Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, using the appropriate protective equipment. Provide ventilation. Place under an inert atmosphere. Do not get water inside containers.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation. Do not get water inside containers.

Stability and Reactivity

Incompatibilities
Air, moisture, strong oxidizing agents.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, moisture.
Decomposition
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, selenium/selenium oxides.
Decomposition
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
Combustion Products
Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number
3283
Hazard Class
6.1
Packing Group
I; II; III
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