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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Undecenoic acid(112-38-9)

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
Undecenoic acid
Synonyms
Desenex
Renselin
Undec-10-enoic acid
Undecylenic acid
CAS
112-38-9
Formula
C11H20O2
Molecular Weight
184.28
EINECS
203-965-8
RTECS
YQ2975000
RTECS Class
Agricultural Chemical and Pesticide; Primary Irritant
Merck
12,9983
Beilstein/Gmelin
1762631
EC Class
irritant, dangerous for the environment

Physical and Chemical Properties

Appearance
White crystal mass or colorless to yellowish liquid, depending on room temperature and purity. The characteristic odor is suggestive of perspiration and has been described as fruity-rosy.
Solubility in water
Insoluble
Melting Point
24
Boiling Point
300
Density
0.9100 g/cm3
Usage
Used in perfumes, flavouring agents and plastics, and as a modifying agent in plasticizers and lubricant additives; weed killer and defoliant.
Saturation Concentration
Very low at normal temperatures
Refractive Index
1.4486 (20 C)

First Aid Measures

Ingestion
Get medical aid. Wash mouth out with water.
Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids. Get medical aid.

Handling and Storage

Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Use only in a chemical fume hood.

Hazards Identification

Ingestion
The toxicological properties of this substance have not been fully investigated.
Inhalation
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
Skin
Causes severe skin irritation. May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material. Substance is rapidly absorbed through the skin.
Eyes
Causes eye irritation.
EC Risk Phrase
R 36/38
EC Safety Phrase
S 26 36

Exposure Controls/Personal Protection

Personal Protection
Wear appropriate protective eyeglasses or chemical safety goggles, protective gloves and clothing to prevent 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.
Poison Class
3

Fire Fighting Measures

Flash Point
146
Autoignition
275
Fire Fighting
Wear approved SCBA in full pressure-demand and full protective gear. This material in sufficient quantity as dust is capable of creating a dust explosion. In case of fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Accidental Release Measures

Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.

Stability and Reactivity

Disposal Code
4
Incompatibilities
Bases - oxidizing agents - reducing agents.
Decomposition
Carbon monoxide, carbon dioxide.

Transport Information

HS Code
2916 19 10
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