DX2091

p-Dioxane

OmniSolv^®

• Synonym(s): p-Dioxane, 1,4-Dioxane, 1
• Linear Formula: -O(CH₂)₂O(CH₂)₂-
• CAS Number: 123-91-1
• MDL number: MFCD00006571
• UNSPSC Code: 12191504
• EC Index Number: 204-661-8

Properties

• vapor pressure: 41 hPa ( 20 °C)
• Quality Level: 100
• product line: OmniSolv^®
• assay: ≥99.9% (GC)
• form: liquid
• shelf life: 12 mo. (from manufacture date)
• technique(s): HPLC: suitable; LC/MS: suitable; gas chromatography (GC): suitable
• impurities: ≤0.05% Water (H₂O); ≤2 mg/L Peroxide (as H₂O₂)
• evapn. residue: ≤1 mg/L
• color: clear colorless,
• refractive index: n20/D 1.4206-1.4226
• pH: 6-8 (20 °C, 500 g/L in H₂O)
• bp: 101.5 °C/1013 hPa
• mp: 12 °C
• transition temp: flash point 11 °C
• density: 1.03 g/cm³ at 20 °C
• UV cutoff: ≤215 nm
• UV absorption: λ: 215 nm A_max: ≤1.00; λ: 250 nm A_max: ≤0.300; λ: 300 nm A_max: ≤0.020; λ: 350 nm A_max: ≤0.005; λ: 400 nm A_max: ≤0.005
• shipped in: ambient
• storage temp.: no temp limit
• InChI: 1S/C4H8O2/c1-2-6-4-3-5-1/h1-4H2
• InChI key: RYHBNJHYFVUHQT-UHFFFAOYSA-N

Description

Application

OmniSolv^®

Preparation Note

Product filtered through a 0.2 μm filter

Analysis Note

Expiration dateExp 12 months from mfg dateAssay (GC)99.9% minBoiling range101-102°CEvaporation residue1mg/L maxFiltered through 0.2 µm filterTo pass testPeroxide (as H2O2)2mg/L maxRefractive index (n 20/D)1.4206-1.4226UV Abs. at 215 nm1.00AU maxUV Abs. at 250 nm0.300AU maxUV Abs. at 300 nm0.020AU maxUV Abs. at 350 nm0.005AU maxUV Abs. at 400 nm0.005AU maxUV Cut-off215nm maxWater (H2O)0.05% max

Legal Information

OMNISOLV is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• pictograms: GHS02,GHS08,GHS07
• signalword: Danger
• hcodes: H225,H319,H335,H350
• pcodes: P202 - P210 - P233 - P240 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Carc. 1B - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
• target_organs: Respiratory system
• supp_hazards: EUH019,EUH066
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 3
• flash_point_f: 51.8 °F - closed cup
• flash_point_c: 11 °C - closed cup