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Cas Database |
| Name |
1,5-Pentanedithiol |
EINECS | 213-194-9 |
| CAS No. | 928-98-3 | Density | 0.979 g/cm3 |
| PSA | 77.60000 | LogP | 2.01630 |
| Solubility | N/A | Melting Point |
-72 °C(lit.) |
| Formula | C5H12S2 | Boiling Point | 229.1 °C at 760 mmHg |
| Molecular Weight | 136.282 | Flash Point | 95 °C |
| Transport Information | UN 3334 | Appearance | colourless liquid with a very unpleasant smell |
| Safety | 36/37/39-26 | Risk Codes | 36/37/38-20/21/22 |
| Molecular Structure |
|
Hazard Symbols |
 Xn
|
| Synonyms |
1,5-Dimercaptopentane;1,5-Dithiolpentane;NSC 51699; |
Article Data | 11 |
1,5-Pentanedithiol Chemical Properties
IUPAC Name: pentane-1,5-dithiol
Empirical Formula: C5H12S2
Molecular Weight: 136.2788g/mol
EINECS: 213-194-9
Structure of 1,5-Pentanedithiol (CAS NO.928-98-3):
Index of Refraction: 1.501
Molar Refractivity: 41 cm3
Molar Volume: 139.1 cm3
Polarizability: 16.25×10-24cm3
Surface Tension: 33.4 dyne/cm
Density: 0.979 g/cm3
Flash Point: 95 °C
Enthalpy of Vaporization: 44.68 kJ/mol
Boiling Point: 229.1 °C at 760 mmHg
Vapour Pressure: 0.107 mmHg at 25°C
Stability: Stable. Combustible. Incompatible with strong oxidizing agents, strong bases.
Physical Appearance: colourless liquid with a very unpleasant smell
Canonical SMILES: C(CCS)CCS
InChI: InChI=1S/C5H12S2/c6-4-2-1-3-5-7/h6-7H,1-5H2
InChIKey: KMTUBAIXCBHPIZ-UHFFFAOYSA-N
1,5-Pentanedithiol Safety Profile
Hazard Codes: 
Xn
Risk Statements: 36/37/38-20/21/22
R36/37/38:Irritating to eyes, respiratory system and skin.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 36/37/39-26
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RIDADR: UN3334
WGK Germany: 3
F: 13
HazardClass: 9
HS Code: 29309070
1,5-Pentanedithiol Specification
1,5-Pentanedithiol , its cas register number is 928-98-3. It also can be called 1,5-Dimercaptopentane ; Pentane-1,5-dithiol .
1,5-Pentanedithiol (CAS NO.928-98-3) is irritating to eyes, respiratory system and skin. And it's harmful by inhalation, in contact with skin and if swallowed.
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