Dimethyl sulfoxide

• Catalog No.: 34869
• CAS Number: 67-68-5
• M. F.: C2H6OS
• M. W.: 78.13344
• Purity: ≥99.7%

SYNONYMS

• Title: 二甲基亚砜
• IUPAC name: methanesulfinylmethane
• IUPAC Traditional name: dimethyl sulfoxide
• Synonyms: DMSO; 甲基亚砜; Methyl sulfoxide

DATABASE IDS

• CAS Number: 67-68-5
• PubChem SID: 24861602
• MDL Number: MFCD00002089
• EC Number: 200-664-3
• Beilstein Number: 506008

PROPERTIES

• Grade: CHROMASOLV® Plus
• Grade: for HPLC
• Impurities: ≤0.002% non-volatile matter
• Impurities: ≤0.2% water (Karl Fischer)
• Linear Formula: (CH3)2SO
• Purity: ≥99.7%
• Auto Ignition Point: 573 °F
• Boiling Point: 189 °C(lit.)
• Density: 1.10 g/mL(lit.)
• Flash Point: 87 °C
• Flash Point: 188.6 °F
• Melting Point: 16-19 °C(lit.)
• Refractive Index: n20/D 1.479(lit.)
• Transmittance: 270 nm, ≥20%
• Transmittance: 280 nm, ≥50%
• Transmittance: 300 nm, ≥80%
• Transmittance: 350 nm, ≥98%
• Vapor Density: 2.7 (vs air)
• Vapor Pressure: 0.42 mmHg ( 20 °C)
• Explode Limits: 42 %, 63 °F
• Personal Protective Equipment: Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RTECS: PV6210000
• German water hazard class: 1

DETAILS

Description (English)

Frequently Asked Questions
Live Chat and Frequently Asked Questions are available for this Product.
Application
Suitable for HPLC, spectrophotometry, environmental testing
Caution
Supercools easily and remelts slowly at room temperature. Solidified product can be re-liquified by warming to room temperature without detriment to the product.
Packaging
1, 6×1, 2, 4×2, 2.5, 4×4 L in glass bottle
20 L in Nowpak™
100, 12×100, 500 mL in glass bottle
50 L in comp drum
Legal Information
CHROMASOLV is a registered trademark of Sigma-Aldrich Laborchemikalien GmbH

Description (简体中文)

Frequently Asked Questions
Live Chat and Frequently Asked Questions are available for this Product.
Application
适用于高效液相色谱法、分光光度法、环境检测
Caution
容易过度冷却，并在室温下缓慢融化固化的产品放在室温下可以再次液化，对其本身无影响。
包装
1, 6×1, 2, 4×2, 2.5, 4×4 L in glass bottle
20 L in Nowpak™
100, 12×100, 500 mL in glass bottle
50 L in comp drum
法律信息
CHROMASOLV 注册商标 Sigma-Aldrich Laborchemikalien GmbH