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3,5-Dimethylphenol

Basic information Description Safety Supplier Related

3,5-Dimethylphenol Basic information

Product Name:
3,5-Dimethylphenol
Synonyms:
  • DIMETHYLPHENOL(3,5-)
  • 1-HYDROXY-3,5-DIMETHYLBENZENE
  • 3,5-DIMETHYLPHENOL
  • 3,5-XYLENOL
  • 5-HYDROXY-1,3-DIMETHYLBENZENE
  • 5-HYDROXY-M-XYLENE
  • M-XYLENOL
  • SYM-M-XYLENOL
CAS:
108-68-9
MF:
C8H10O
MW:
122.16
EINECS:
203-606-5
Product Categories:
  • Aromatic Phenols
  • Phenoles and thiophenoles
  • MX
  • Antioxidant
  • Antibacterial agent
  • Others ,Azetidines
  • Building Blocks
  • C6 to C8
  • Chemical Synthesis
  • Organic Building Blocks
  • Oxygen Compounds
  • Phenols
Mol File:
108-68-9.mol
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3,5-Dimethylphenol Chemical Properties

Melting point:
61-64 °C(lit.)
Boiling point:
222 °C(lit.)
Density 
1.115
refractive index 
1.5146 (estimate)
Flash point:
109 °C
storage temp. 
room temp
pka
pK1:10.15 (25°C)
form 
Crystalline Solid
color 
White to orange
Water Solubility 
5.3 g/L (25 ºC)
Sensitive 
Air & Light Sensitive
Merck 
14,10082
BRN 
774117
InChIKey
TUAMRELNJMMDMT-UHFFFAOYSA-N
CAS DataBase Reference
108-68-9(CAS DataBase Reference)
NIST Chemistry Reference
Phenol, 3,5-dimethyl-(108-68-9)
EPA Substance Registry System
3,5-Dimethylphenol (108-68-9)
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Safety Information

Hazard Codes 
T
Risk Statements 
24/25-34
Safety Statements 
26-28-36/37/39-45-28A
RIDADR 
UN 2261 6.1/PG 2
WGK Germany 
2
RTECS 
ZE6475000
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
II
HS Code 
29071400
Hazardous Substances Data
108-68-9(Hazardous Substances Data)

MSDS

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3,5-Dimethylphenol Usage And Synthesis

Description

3,5-Dimethylphenol was used in simultaneous determination of urinary concentrations of phenol, o-, p-, m-cresols, 1-, 2-naphthol and xylenol isomers by capillary gas chromatography. It was used as starting reagent for total synthesis of landomycin A, most potent antitumor angucycline antibiotic and optically active polypropionate units. It also finds application as adhesives, sealant chemicals, plating and surface treating agents. It is also used as a solvent for cleaning or degreasing. Further, it is employed as a chemical intermediate for antioxidants, phenolic resins, active pharmaceutical ingredients and metaxalone (muscle relaxant).

Chemical Properties

WHITE TO LIGHT BEIGE CRYSTALLINE SOLID

Chemical Properties

3,5-Xylenol is a crystalline solid.

Definition

ChEBI: A member of the class of phenols that phenol substituted by methyl groups at positions 3 and 5.

General Description

Colorless to off-white crystalline solid. Odor threshold 1 ppm. Taste threshold 0.001 mg/L.

Air & Water Reactions

3,5-Dimethylphenol is hygroscopic. Insoluble in water.

Reactivity Profile

3,5-Dimethylphenol is incompatible with bases, acid chlorides, acid anhydrides, and oxidizing agents. 3,5-Dimethylphenol corrodes steel, brass, copper, and copper alloys.

Fire Hazard

Flash point data for 3,5-Dimethylphenol are not available. 3,5-Dimethylphenol is probably combustible.

Safety Profile

Poison by intraperitoneal route. Moderately toxic by ingestion. A severe eye irritant. Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits acrid smoke and irritating fumes. See also other xylenol entries.

Potential Exposure

3,5-Xylenol is used as an antioxidant, solvent, plasticizer, wetting agent; and in pharmaceuticals. Xylenols are also used in pesticides, fuel, and lubricant additives; as a rubber chemical; in dyestuff manufacture. There are actually six xylenol isomers.

Shipping

UN 2261 Xylenols, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.

Purification Methods

Purify it as for 3,4-dimethylphenol. [Beilstein 6 IV 3141.]

Incompatibilities

A weak organic acid. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, and epoxides.

Waste Disposal

Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. All federal, state, and local environmental regulations must be observed.

3,5-Dimethylphenol Preparation Products And Raw materials

Preparation Products

Raw materials

3,5-DimethylphenolSupplier

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