8.41522

1-Ethynylcyclohexanol

for synthesis

• Synonym(s): 1-Ethynylcyclohexanol
• Empirical Formula (Hill Notation): C₈H₁₂O
• CAS Number: 78-27-3
• Molecular Weight: 124.18
• MDL number: MFCD00003858
• UNSPSC Code: 12352104
• EC Index Number: 201-100-9
• NACRES: NA.22

Properties

• vapor pressure: 1 hPa ( 50 °C)
• Quality Level: 200
• Assay: ≥98.0% (GC)
• form: solid
• autoignition temp.: 365 °C
• potency: 583 mg/kg LD₅₀, oral (Rat); 973 mg/kg LD₅₀, skin (Rabbit)
• expl. lim.: 1.3-8.7 % (v/v)
• pH: 7 (20 °C, 1 g/L in H₂O)
• bp: 180 °C/1013 hPa
• mp: 30-32 °C
• transition temp: flash point 73 °C
• solubility: 10 g/L
• density: 0.976 g/cm³ at 20 °C
• storage temp.: 2-30°C
• InChI: 1S/C8H12O/c1-2-8(9)6-4-3-5-7-8/h1,9H,3-7H2
• InChI key: QYLFHLNFIHBCPR-UHFFFAOYSA-N

Description

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.972 - 0.979
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: GHS06
• Signal Word: Danger
• Hazard Statements: H302 - H311 - H315 - H319
• Precautionary Statements: P264 - P270 - P280 - P301 + P312 - P302 + P352 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2
• Storage Class Code: 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 1
• Flash Point(F): 163.4 °F - closed cup
• Flash Point(C): 73 °C - closed cup