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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4-Methoxyphenol(150-76-5)

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
4-Methoxyphenol
Synonyms
Hydroxyquinone, monomethyl ether
Mequinol
p-Hydroxyanisole
p-Methoxyphenol
CAS
150-76-5
Formula
C7H8O2
Molecular Weight
124.14
EINECS
205-769-8
RTECS
SL7700000
RTECS Class
Mutagen; Primary Irritant
Beilstein/Gmelin
507924
Beilstein Reference
4-06-00-05717
EC Index Number
604-044-00-7
EC Class
Harmful; Irritant; Sensitising

Physical and Chemical Properties

Appearance
White to off-white waxy solid or flaky, crystalline material. Odor of caramel and phenol.
Solubility in water
40 g/L
Melting Point
55 - 57
Boiling Point
243
Vapor Pressure
0.02 (25 C)
Density
1.55 g/cm3 (20 C)
pKa/pKb
10.40 (pKa)
Partition Coefficient
1.58
Heat Of Vaporization
49.9 kJ/mol
Usage
Manufacture of antioxidants, pharmaceuticals, plasticizers, dyestuffs, uv inhibitor, stabilizer for chlorinated hydrocarbons & ethyl cellulose, inhibitor for acrylic monomers & acrylonitriles.
Vapor Density
4.2
Saturation Concentration
<13 ppm at 25 C (calculated)

First Aid Measures

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.
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 immediately. 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 eyelids. Get medical aid immediately.

Handling and Storage

Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Wash thoroughly after handling. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.

Hazards Identification

Inhalation
May cause respiratory tract irritation.
Skin
Causes skin irritation. May cause depigmentation of the skin.
Eyes
Causes eye irritation. May cause eye burns.
Ingestion
May cause severe gastrointestinal tract irritation with nausea, vomiting and possible burns. May be harmful if swallowed.
Hazards
Combustible
EC Risk Phrase
R 22 36 43
EC Safety Phrase
S 24/25 26 37/39 46
UN (DOT)
3335

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.
Exposure Effects
Chronic exposure may cause visual disturbances. Prolonged contact may cause severe eye irritation or burns.
Exposure limit(s)
NIOSH REL: TWA 5 mg/m3
Poison Class
4

Fire Fighting Measures

Flash Point
121
Autoignition
445
Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire, use water fog, dry chemical, carbon dioxide, or regular foam.
Upper exp. limit
9.6
Lower exp. limit
1.3
Fire Potential
Combustible.

Accidental Release Measures

Small spills/leaks
Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal.

Stability and Reactivity

Disposal Code
3
Incompatibilities
Acid anhydrides, acid chlorides, bases, oxidizing agents.
Stability
Stable under normal temperatures and pressures.
Decomposition
Carbon monoxide, carbon dioxide.

Transport Information

UN Number
3335
HS Code
2909 50 90
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