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Sigma-Aldrich
Azobenzene
424633 -
98%
DOWNLOAD MSDS (PDF)CAS Number: 103-33-3
Linear Formula: C6H5N=NC6H5
Molecular Weight: 182.22
Beilstein Registry Number: 1819138
EC Number: 203-102-5
MDL number: MFCD00003022
PubChem Substance ID: 24866581
Properties
| Related Categories | A, Stains & Dyes, A to Z, Stains and Dyes |
| vapor pressure | 1 mmHg ( 104 °C) |
| assay | 98% |
| autoignition temp. | 890 °F |
| bp | 293 °C(lit.) |
| mp | 65-68 °C(lit.) |
| density | 1.09 g/mL at 25 °C(lit.) |
Description
Packaging
5, 25 g in glass btl
Price and Availability
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Documents
Certificate of Analysis
Certificate of Origin
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| Pressure-Temperature Nomograph |  |
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Safety Information
| Symbol |    GHS07, GHS08, GHS09 |
| Signal word | Danger |
| Hazard statements | H302-H332-H341-H350-H373-H410 |
| Precautionary statements | P201-P273-P281-P308 + P313-P501 |
| Personal Protective Equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
| Hazard Codes | T,N |
| Risk Statements | 45-20/22-48/22-50/53-68 |
| Safety Statements | 53-45-60-61 |
| RIDADR | UN 3077 9/PG 3 |
| WGK Germany | 3 |
| RTECS | CN1400000 |
| Flash Point(F) | 212 °F |
| Flash Point(C) | 100 °C |
Technical information & documentation associated with this product is available in the Safety & Documentation tab.
References
Merck 14,917
Beil. 16,IV,8
Aldrich MSDS 1, 141:D / Corp MSDS 1 (1), 327:A / FT-IR 2 (3), 4073:B / FT-IR 1 (2), 965:A / IR-Spectra (3), 1449:B / IR-Spectra (2), 1261:H / NMR-Reference 2 (2), 978:C / RegBook 1 (2), 2737:B / Sax 6, 339 / Structure Index 1, 432:C:4
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