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| CAS No.: | 20039-37-6 |
|---|---|
| Name: | Pyridinium dichromate |
| Article Data: | 2 |
| Molecular Structure: | |
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| Formula: | 2(C5H5N).H2Cr2O7 |
| Molecular Weight: | 376.206 |
| Synonyms: | Chromic acid (H2Cr2O7), compd. with pyridine (1:2);hydroxy-(hydroxy-dioxo-chromio)oxy-dioxo-chromium; pyridine;PDC; |
| EINECS: | 243-478-8 |
| Density: | 1.71[at 20℃] |
| Melting Point: | 152-153 °C(lit.) |
| Solubility: | soluble |
| Appearance: | Orange solid |
| Hazard Symbols: |
 O,  T,  N,  Xn
|
| Risk Codes: | 49-8-43-50/53-61-60-46-45-20/21/22-40-36/37/38 |
| Safety: | 53-45-60-61-37-29-24-17-36/37/39-27-22 |
| Transport Information: | UN 1479 5.1/PG 2 |
| PSA: | 143.75000 |
| LogP: | 1.26600 |
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Specification
The Pyridinium dichromate is an organic compound with the formula 2(C5H5N).H2Cr2O7. The systematic name of this chemical is oxido-(oxido-dioxo-chromio)oxy-dioxo-chromium; pyridin-1-ium. With the CAS registry number 20039-37-6, it is also named as Dipyridinium dichromate. The product's categories are Organic-metal salt; Classes of Metal Compounds; Cr (Chromium) Compounds; Oxidation; Pyridinium Compounds; Synthetic Organic Chemistry; Transition Metal Compounds. Besides, it is an orange solid, which should be stored in a closed cool and dry palce.
Physical properties about Pyridinium dichromate are: (1)#H bond acceptors: 7; (2)#H bond donors: 2; (3)#Freely Rotating Bonds: 2; (4)Polar Surface Area: 117.97 Å2.
When you are using this chemical, please be cautious about it as the following:
It is harmful by inhalation, in contact with skin and if swallowed and may cause sensitisation by skin contact. It Contact with combustible material may cause fire and may cause harm to the unborn child. Please take off immediately all contaminated clothing. Besides, this chemical is irritating to eyes, respiratory system and skin. It is very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. When you are using it, wear suitable gloves and eye/face protection, do not breathe dust and avoid contact with skin. In case of accident or if you feel unwell seek medical advice immediately (show the label where possible). This material and its container must be disposed of as hazardous waste.
You can still convert the following datas into molecular structure:
(1)SMILES: [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O.c1cc[nH+]cc1.[nH+]1ccccc1
(2)InChI: InChI=1/2C5H5N.2Cr.7O/c2*1-2-4-6-5-3-1;;;;;;;;;/h2*1-5H;;;;;;;;;/q;;;;;;;;;2*-1/p+2/r2C5H5N.Cr2O7/c2*1-2-4-6-5-3-1;3-1(4,5)9-2(6,7)8/h2*1-5H;/q;;-2/p+2
(3)InChIKey: LMYWWPCAXXPJFF-OXLJHMOQAP
(4)Std. InChI: InChI=1S/2C5H5N.2Cr.7O/c2*1-2-4-6-5-3-1;;;;;;;;;/h2*1-5H;;;;;;;;;/q;;;;;;;;;2*-1/p+2
(5)Std. InChIKey: LMYWWPCAXXPJFF-UHFFFAOYSA-P