5.89583

Dibutyl ether

anhydrous, 99.3%

• Synonym(s): Butyl ether
• Linear Formula: [CH₃(CH₂)₃]₂O
• CAS Number: 142-96-1
• Molecular Weight: 130.23
• NACRES: NA.22
• UNSPSC Code: 12191502
• Beilstein/REAXYS Number: 1732752
• MDL number: MFCD00009461
• Assay: 99.3%
• Grade: anhydrous
• Bp: 142-143 °C (lit.)
• Vapor pressure: 4.8 mmHg ( 20 °C)

Properties

• grade: anhydrous
• Quality Segment: 200
• vapor density: 4.48 (vs air)
• vapor pressure: 4.8 mmHg ( 20 °C)
• assay: 99.3%
• autoignition temp.: 365 °F
• expl. lim.: 8.5 %
• refractive index: n20/D 1.399 (lit.)
• bp: 142-143 °C (lit.)
• mp: −98 °C (lit.)
• solubility: H₂O: 0.113 g/L at 20 °C
• density: 0.764 g/mL at 25 °C (lit.)
• SMILES string: CCCCOCCCC
• InChI: 1S/C8H18O/c1-3-5-7-9-8-6-4-2/h3-8H2,1-2H3
• InChI key: DURPTKYDGMDSBL-UHFFFAOYSA-N

Description

General description

Our anhydrous solvents deliver exceptionally low water content, making them the ideal choice for moisture-sensitive laboratory applications. Packaged in the exclusive Sure/Seal^™ septum bottle system, they are reliably protected against moisture ingress from first use to last drop. The innovative Sure/Seal^™ closure combines an advanced plug-style liner with an airtight elastomer and crimp cap design to ensure consistent product integrity. Three unique liner materials provide optimal chemical compatibility across a broad range of solvents. Sure/Seal^™ packaging is proven to maintain anhydrous conditions even after repeated punctures. With more than 70 products across all major solvent families, available in pack sizes from 100 mL to 2 L, the portfolio meets virtually every laboratory need. By choosing ready-to-use anhydrous solvents in Sure/Seal^™ packaging, researchers eliminate the need for time-consuming and hazardous in-house solvent drying and distillation - saving time, reducing risk, and improving reproducibility.

Application

Anhydrous solvents in Sure/Seal^™ packaging are essential wherever water contamination would compromise experimental results. They are widely used in moisture-sensitive applications such as organic synthesis - including Grignard reactions, organometallic chemistry, and catalysis - as well as in peptide, oligonucleotide, and pharmaceutical synthesis.

Legal Information

Sure/Seal is a trademark of Sigma-Aldrich Co. LLC

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Warning
• Precautionary Statements: P210 - P233 - P273 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Aquatic Chronic 3 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class: 3 - Flammable liquids
• Flash Point (°F): 82.4 °F - closed cup
• Flash Point (°C): 28 °C - closed cup
• Hazard Codes: H226,H315,H319,H335,H412