Dimethyl sulfoxide

• Catalog No.: 494429
• CAS Number: 67-68-5
• M. F.: C2H6OS
• M. W.: 78.13344
• Purity: 99.8%

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
• MDL Number: MFCD00002089
• PubChem SID: 24872902
• EC Number: 200-664-3
• Beilstein Number: 506008

PROPERTIES

• Evaporation Residue: <0.0005%
• Grade: biotech. grade
• Impurities: <0.005% water
• λ: H2O reference
• Linear Formula: (CH3)2SO
• Purity: 99.8%
• Absorption Wavelength: λ: 270 nm Amax: 1.00
• Absorption Wavelength: λ: 280 nm Amax: 0.30
• Absorption Wavelength: λ: 295 nm Amax: 0.10
• Absorption Wavelength: λ: 350-400 nm Amax: 0.01
• 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.)
• 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.
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
2 L in Sure/Seal™
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Legal Information
Pure-Pac is a registered trademark of Sigma-Aldrich Co. LLC

Description (简体中文)

Frequently Asked Questions
Live Chat and Frequently Asked Questions are available for this Product.
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
18L、200L Pure-Pac® 不锈钢容器包装； 1L、2L Sure/Seal® 瓶包装
View returnable container options.
2 L in Sure/Seal™
法律信息
Pure-Pac 注册商标 Sigma-Aldrich Co. LLC