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Dichloromethane

Catalog No. 34908 Name Sigma Aldrich
CAS Number 75-09-2 Website http://www.sigmaaldrich.com
M. F. CH2Cl2 Telephone 1-800-521-8956
M. W. 84.93258 Fax
Purity ≥99.8% (GC) Email
Storage Chembase ID: 74413

SYNONYMS

Title
二氯甲烷
IUPAC name
dichloromethane
IUPAC Traditional name
methylene chloride
Synonyms
Methylene chloride
亚甲基氯

DATABASE IDS

CAS Number 75-09-2
EC Number 200-838-9
MDL Number MFCD00000881
Beilstein Number 1730800

PROPERTIES

Contains ~25 mg/L amylene as stabilizer
Empirical Formula (Hill Notation) CH2Cl2
Grade SPECTRANAL™
Impurities ≤0.001% free acid (as HCl)
Impurities ≤0.001% non-volatile matter
Impurities ≤0.02% water (Karl Fischer)
Impurities ≤1 ppb fluorescence (quinine) at 254 nm
Impurities ≤1 ppb fluorescence (quinine) at 365 nm
Purity ≥99.8% (GC)
Suitability passes test for IR spectroscopy
Suitability passes test for suitability for UV spectroscopy
Auto Ignition Point 1223 °F
Boiling Point 39.8-40 °C mmHg(lit.)
Density 1.325 g/mL at 25 °C(lit.)
Melting Point -97 °C(lit.)
Refractive Index n20/D 1.424(lit.)
Transmittance 230 nm, ≥5%
Transmittance 240 nm, ≥70%
Transmittance 250 nm, ≥95%
Transmittance 255 nm, ≥98%
Vapor Density 2.9 (vs air)
Vapor Pressure 24.45 psi ( 55 °C)
Vapor Pressure 6.83 psi ( 20 °C)
Explode Limits 22 %
GHS Pictograms GHS08
GHS Signal Word Warning
GHS Hazard statements H351
European Hazard Symbols Harmful Harmful (Xn)
MSDS Link Download
Personal Protective Equipment Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US)
GHS Precautionary statements P281
RID/ADR UN 1593 6.1/PG 3
Risk Statements 40
RTECS PA8050000
Safety Statements 23-24/25-36/37
Hazard Class 6.1
UN Number 1593
Packing Group 3
German water hazard class 2

DETAILS

Description (English)
Legal Information
SPECTRANAL is a trademark of Sigma-Aldrich Laborchemikalien GmbH
Description (简体中文)
法律信息
SPECTRANAL 商标 Sigma-Aldrich Laborchemikalien GmbH

REFERENCES