8.05223

p-Cresol

for synthesis

• Synonym(s): p-Cresol, 4-Hydroxytoluene, 4-Methylphenol
• Empirical Formula (Hill Notation): C₇H₈O
• CAS Number: 106-44-5
• Molecular Weight: 108.14
• MDL number: MFCD00002376
• UNSPSC Code: 12352104
• EC Index Number: 203-398-6
• NACRES: NA.22

Properties

• vapor pressure: 0.06 hPa ( 20 °C)
• Quality Level: 200
• Assay: ≥98.0% (GC)
• form: solid
• autoignition temp.: 555 °C
• potency: 207 mg/kg LD₅₀, oral (Rat); 301 mg/kg LD₅₀, skin (Rabbit)
• expl. lim.: 1 % (v/v)
• bp: 202.5 °C/1013 hPa
• mp: 31.0-35.0 °C
• transition temp: flash point 86 °C
• density: 1.034 g/cm³ at 20 °C
• storage temp.: 2-30°C
• InChI: 1S/C7H8O/c1-6-2-4-7(8)5-3-6/h2-5,8H,1H3
• InChI key: IWDCLRJOBJJRNH-UHFFFAOYSA-N

Description

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Melting range (lower value): ≥ 31 °C
Melting range (upper value): ≤ 35 °C
o-Cresol (GC, area%): ≤ 0.5 % (a/a)
m-Cresol (GC, area%): ≤ 1.0 % (a/a)
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Safety Information

• Pictograms: GHS05,GHS06
• Signal Word: Danger
• Hazard Statements: H301 + H311 - H314 - H412
• Precautionary Statements: P260 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1B
• Storage Class Code: 6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 2
• Flash Point(F): 186.8 °F - closed cup
• Flash Point(C): 86 °C - closed cup