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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5-Methyl-2-(1-methylethyl)phenol(89-83-8)

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
5-Methyl-2-(1-methylethyl)phenol
Synonyms
2-Isopropyl-5-methylphenol
3-Hydroxy-1-methyl-4-isopropylbenzene
3-Hydroxy-p-cymene
6-Isopropyl-m-cresol
p-Cymen-3-ol
Thyme camphor
CAS
89-83-8
Formula
C10H14O
Molecular Weight
150.24
EINECS
201-944-8
RTECS
XP2275000
RTECS Class
Drug; Mutagen; Reproductive Effector
Merck
12,9540
Beilstein/Gmelin
1907135
Beilstein Reference
4-06-00-03334
EC Index Number
604-032-00-1
EC Class
Harmful; Corrosive; Dangerous for the Environment

Physical and Chemical Properties

Appearance
Colorless crystals, thyme-like aromatic odor.
Solubility in water
1 g/L
Melting Point
49 - 51
Boiling Point
233
Vapor Pressure
30 (30 C)
Density
0.9898 - 0.9199 g/cm3 (0 - 90 C)
pKa/pKb
10.62 (pKa)
Partition Coefficient
3.3
Heat Of Vaporization
51.57 kJ/mol
Usage
For destroying mold, preserving documents, art objects, and urine. Stabilizer (antioxidant) for trichloroethylene, haloethane.
Saturation Concentration
2.9 ppm (0.0003%) at 25 C (calculated)
Odor threshold
0.05 mg/L
Refractive Index
1.5227 (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.
Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately. If breathing is difficult, give oxygen. DO NOT use mouth-to-mouth respiration. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask.
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. Destroy contaminated shoes.
Eyes
Get medical aid immediately. Do NOT allow victim to rub or keep eyes closed. Extensive irrigation is required (at least 30 minutes).

Handling and Storage

Storage
Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Minimize dust generation and accumulation. Keep container tightly closed. Do not get on skin or in eyes. Do not ingest or inhale. Discard contaminated shoes.

Hazards Identification

Inhalation
Causes chemical burns to the respiratory tract. Aspiration may lead to pulmonary edema. May cause systemic effects.
Skin
Causes skin burns. May cause skin rash (in milder cases), and cold and clammy skin with cyanosis or pale color.
Eyes
Causes eye burns. May cause chemical conjunctivitis and corneal damage.
Ingestion
May cause severe and permanent damage to the digestive tract. Causes gastrointestinal tract burns. May cause perforation of the digestive tract. May be harmful if swallowed. May cause systemic effects.
Hazards
When heated, emits toxic fumes.
EC Risk Phrase
R 22 34 51/53
EC Safety Phrase
S 26 28 36/37/39 45 61
UN (DOT)
3251

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
Effects may be delayed. May cause reproductive effects.
Poison Class
3

Fire Fighting Measures

Flash Point
104
Autoignition
285
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. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
Fire Potential
Flammable.

Accidental Release Measures

Small spills/leaks
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity

Incompatibilities
Avoid contact with strong bases, oxidizing agents, acetanilide; antipyrine; camphor; monobromated camphor; cholorohydrate; menthol; quinine sulfate; salol, urethene, spirit nitrous ether.
Stability
Stable at room temperature in closed containers under normal storage and handling conditions.
Decomposition
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
Combustion Products
Fire may produce irritating and/or toxic gases.

Transport Information

UN Number
3251
Hazard Class
4.1
Packing Group
III
HS Code
2907 19 00
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