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Pyridinium dichromate

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Formula: 2(C5H5N).H2Cr2O7
CAS: 20039-37-6

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

Autech Industry Co.,Limited
AIC11344536
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
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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
Oxido-(oxido(dioxo)chromio)oxy-dioxochromium; pyridin-1-ium
Chemlyte Solutions
CS743422302

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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