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Pyridinium dichromate

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Formula: 2(C5H5N).H2Cr2O7
CAS: 20039-37-6
search Element: dichromate pyridinium
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Identification

Structural Formula
Pyridinium dichromate
CAS:
20039-37-6
EINECS:
243-478-8
Molecular Formula:
2(C5H5N).H2Cr2O7
MDL:
SMILES:
C1=CC=[NH+]C=C1.C1=CC=[NH+]C=C1.[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O
Synonym:
pyridinium dichromate,98% ; pyridine dichromate ; escat? 11 ; pdc ; pyridinium dichromate 98% ; escat? 103 ; pyridinium dichromate, 98% 50gr ; pyridinium dichromate/pdc ; cornforth reagent ; pyridinium dichromate


Description

An oxidizing agent for conversion of primary alcohols to aldehydes and ketones, acetals to esters, and didehydroketones to enones, in the presence of tert-butyl hydroperoxide.


Suppliers

Krada CPS Industry S.L
KCIS9244620
+
Xiamen Equation Chemical Co.,Ltd
XECC13446720
+
Hangzhou Trylead Chemical Technology Co., Ltd.
HTCT19329660
+
Daming Changda Co., Ltd.
DC10083024
+
scienTEST - bioKEMIX GmbH
S-B10504200
+
Hefei Hirisun Pharmatech Co., Ltd
HR010007
+
Xiamen Hisunny Chemical Co., Ltd.
XHC13865544
+
CM Fine Chemicals
CFC7142856
DSL Chemicals (Shanghai) Co., Ltd.
C028129
Simagchem Corporation
SC8822646
+
Xingrui Industry Co., Limited
XIL12184872
+
Capot Chemical Co., Ltd.
18661
+
Leap Chem Co., Ltd
LC7562268
+
Santa Cruz Biotechnology, Inc.
253328
Dayang Chem (Hangzhou) Co.,Ltd.
DC13025208
+
Get Quick Quote

CAS equal suppliers

Pdc
Angene International Limited
AGN-PC-0OPBKH
Pyridinium dichromate, 98%
Alfa (A Johnson Matthey Company)
A16644992
Pyridinium dichromate, 98%
Acros Organics BVBA
AOB9883952

Prices & Availability




Data is processed


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Properties for Pyridinium dichromate

Molecular Weight:
376.2 g·mol−1
Melting point:
152-153 °C(lit.)
Physical Description:
orange solid
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Hazard Statements

GHS02

GHS02
Flammable
  • Flammable gases, category 1
  • Flammable aerosols, categories 1, 2
  • Flammable liquids, categories 1, 2, 3
  • Flammable solids, categories 1, 2
  • Self-reactive substances and mixtures, types B, C, D, E, F
  • Pyrophoric liquids, category 1
  • Pyrophoric solids, category 1
  • Combustible solids, category 3
  • Combustible liquids, category 3
  • Self-heating substances and mixtures, categories 1, 2
  • Substances and mixtures, which in contact with water, emit flammable gases, categories 1, 2, 3
  • Organic peroxides, types B, C, D, E, F
GHS03

GHS03
Oxidizing
  • Oxidizing gases, category 1
  • Oxidizing liquids, categories 1, 2, 3
  • Oxidizing solids, categories 1, 2, 3
GHS05

GHS05
Corrosive
  • Corrosive to metals, category 1
GHS08

GHS08
Health hazard
  • Respiratory sensitization, category 1
  • Germ cell mutagenicity, categories 1A, 1B, 2
  • Carcinogenicity, categories 1A, 1B, 2
  • Reproductive toxicity, categories 1A, 1B, 2
  • Specific target organ toxicity following single exposure, categories 1, 2
  • Specific target organ toxicity following repeated exposure, categories 1, 2
  • Aspiration hazard, categories 1, 2
GHS09

GHS09
Environmental hazard
  • Acute hazards to the aquatic environment, category 1
  • Chronic hazards to the aquatic environment, categories 1, 2
  • Environmental toxicity, categories 1, 2

Safety & Transport Information

Risk Codes:
R11 - Highly flammable
R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed
R34 - Causes burns
R36/37/38 - Irritating to eyes, respiratory system and skin
R40 - Limited evidence of a carcinogenic effect
R43 - May cause sensitisation by skin contact
R45 - May cause cancer
R46 - May cause inheritable genetic damage
R49 - May cause cancer by inhalation
R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
R60 - May impair fertility
R61 - May cause harm to the unborn child
R8 - Contact with combustible material may cause fire
Safety Codes:
S17 - Keep away from combustible material
S22 - Do not breathe dust
S24 - Avoid contact with skin
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S27 - Take off immediately all contaminated clothing
S29 - Do not empty into drains
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection
S37 - Wear suitable gloves
S45 - In case of accident or if you feel unwell seek medical advice immediately (show the label where possible)
S53 - Avoid exposure - obtain special instructions before use
S60 - This material and its container must be disposed of as hazardous waste
S61 - Avoid release to the environment. Refer to special instructions/safety data sheet
Hazard Classes:
5.1
Hazard Symbols:
O, T, N, Xn, F, Xi
Hazard symbol T Hazard symbol N Hazard symbol F Hazard symbol Xn Hazard symbol Xi Hazard symbol O
Storage temperature :
Store at RT.
RID/ADR certification :
UN 1479 5.1 / PG 2
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Alternative Distributors of [Pyridinium dichromate]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

Zhejiang Deyer Chemicals Co., Ltd. | Molekula GmbH | Chem-Impex International, Inc. | 3B Scientific Corporation | ABCR GmbH & Co. KG | TCI Europe NV | Jinzhou Donghui PharmaChem Co., Ltd. | Share Chemical Co., Ltd. | Suzhou Rovathin Pharmatech Co., Ltd | Win-Win Chemical Co., Limited | AOKBIO Co., Ltd. | Jinan Great Chemical Co., Ltd. | East Chemical Industry Co., Ltd. | BOC Sciences | Jinan Haohua Industry Co., Ltd. | Finetech Industry Limited | Suzhou Vosun Chemical Co.,Ltd. | scienTEST | Gihi Chemicals Co., Limited

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