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Dimethyl sulfoxide_Molecular_structure_CAS_67-68-5)
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Dimethyl sulfoxide

Catalog No. 494429 Name Sigma Aldrich
CAS Number 67-68-5 Website http://www.sigmaaldrich.com
M. F. C2H6OS Telephone 1-800-521-8956
M. W. 78.13344 Fax
Purity 99.8% Email
Storage Chembase ID: 964

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
MSDS Link Download
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
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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

REFERENCES