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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p-Menth-1,4(8)-diene(586-62-9)

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
p-Menth-1,4(8)-diene
Synonyms
1-Methyl-4-(1-methylethylidene)cyclohexene
1-Methyl-4-propan-2-ylidenecyclohexene
Isoterpinene
p-Mentha-1,4(8)-diene
CAS
586-62-9
Formula
C10H16
Molecular Weight
136.26
EINECS
209-578-0
RTECS
WZ6870000
RTECS Class
Other
Beilstein/Gmelin
1851203
Beilstein Reference
4-05-00-00437

Physical and Chemical Properties

Appearance
Water-white to pale amber liq. Sweet, pine odor.
Solubility in water
Insoluble
Boiling Point
185
Vapor Pressure
1 (40 C)
Density
0.86 g/cm3 (20 C)
Partition Coefficient
4.23
Usage
Solvent for resins, essential oils, manufacture of synthetic resins, chemical derivatives.
Vapor Density
4.7
Refractive Index
1.4883 (20 C)

First Aid Measures

Ingestion
Activated charcoal may cause vomiting and aspiration. It should be reserved for patients with large ingestions or significant coingestants. Protect patients airway with a cuffed endotracheal tube. Activated charcoal: administer charcoal as a slurry (240 ml water/30 g charcoal). Usual dose: 25 to 100 g in adults/adolescents. Seizures: administer a benzodiazepine iv; diazepam (adult: 5 to 10 mg, repeat every 10 to 15 min as needed. Child: 0.2 To 0.5 Mg/kg, repeat every 5 min as needed) or lorazepam (adult: 4 to 8 mg; child: 0.05 To 0.1 Mg/kg). Consider phenobarbital if seizures recur after diazepam 30 mg (adults) or 10 mg (children > 5 years). Monitor for hypotension, dysrhythmias, respiratory depression, and need for endotracheal intubation. Evaluate for hypoglycemia, electrolyte disturbances, hypoxia.
Inhalation
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult.
Skin
Remove contaminated clothing and wash exposed area thoroughly with soap and water. A physician should examine the area if irritation or pain persists.
Eyes
Irrigate exposed eyes with copious amounts of tepid water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist, the patient should be seen in a health care facility.

Handling and Storage

Storage
Store in a cool, dry, well ventilated place away from all sources of ignition.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.

Hazards Identification

Inhalation
Inhalation of vapors may produce respiratory irritation. Aspiration pneumonitis, pneumatocele or pulmonary edema has developed after ingestion, iv injection, or the use of turpentine as a vaginal douche.
Skin
May cause irritation or burns.
Eyes
See Skin.
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. May polymerize explosively when heated or involved in a fire. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water. Substance may be transported hot.
UN (DOT)
2541

Exposure Controls/Personal Protection

Personal Protection
Wear appropriate protective gloves, clothing and goggles.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Exposure Effects
Headache and dizziness may occur with vapor exposure. Seizures may develop after large ingestions. CNS depression including coma may occur following turpentine ingestion. The use of turpentine and water as a vaginal douche has resulted in abortion.
Poison Class
4

Fire Fighting Measures

Flash Point
38
Fire Fighting
Do not extinguish fire unless flow can be stopped. Use water in flooding quantities as fog. Solid streams of water may be ineffective. Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible. Use foam, dry chemical, or carbon dioxide. Keep run-off water out of sewers and water sources.
Upper exp. limit
6.8
Lower exp. limit
.8
Fire Potential
HIGHLY FLAMMABLE.

Accidental Release Measures

Small spills/leaks
Keep sparks, flames, and other sources of ignition away. Keep material out of water sources and sewers. Build dikes to contain flow as necessary. Attempt to stop leak if without undue personnel hazard. Use water spray to knock-down vapors.

Stability and Reactivity

Incompatibilities
May react vigorously with strong oxidizing agents May react exothermically with reducing agents to release hydrogen gas.
Stability
No data.
Combustion Products
Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number
2541
Hazard Class
3
Packing Group
III
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